Monday Night. Mostly clear, with a low around 76. Breezy, with a south southeast wind 18 to 24 mph, with gusts as high as 37 mph. Tuesday. Sunny, with a high near 96. Breezy, with a south southeast wind 16 to 21 mph, with gusts as high as 31 mph. Tuesday Night. A chance of showers and thunderstorms, mainly before 1am. Sunday. A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 98. South wind 5 to 15 mph, with gusts as high as 20 mph. Sunday Night. A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Wednesday. Scattered showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 85. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.NOAA National Weather Service Los Angeles, CA. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather ServicePoint Forecast: Seattle WA Similar City Names. 47.62°N 122.36°W (Elev. 105 ft) Last Update: 1:33 am PDT Sep 4, 2023. Forecast Valid: 3am PDT Sep 4, 2023-6pm PDT Sep 10, 2023. Forecast Discussion. Hazard/Overview Map NWS Fire Wx Forecast Map Today's SPC Outlook Latest Wildland Fire Outlook Current Large Incidents. Tomorrow's SPC Outlook. Day 3-8 SPC Outlook. Current Wildland Fire Potential Outlook. Next Month's Wildland Fire Potential Outlook. Extended Wildland Fire Potential Outlook. NWS Hazard Map. NOAA National Weather Service National Weather Service. A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic. Jacksonville FL. 30.34°N 81.65°W. Last Update: 5:45 pm EDT Aug 30, 2023. Forecast Valid: 6pm EDT Aug 30, 2023-6pm EDT Sep 6, 2023.NOAA National Weather Service National Weather Service. Heat Continues and Severe Thunderstorms Threaten the East and South. Excessive Heat Warnings and Heat Advisories are in place for parts of the south-central U.S. on Thursday while a heat wave will continue in the mid-Atlantic and Northeast.Stifling Heat; Poor Air Quality . A stifling and record breaking heat wave continues to across the East and in the Southern U.S. today. The heat in the East and major metro areas will persist through Thursday, while the relentless heat in Texas and adjacent states will linger through the upcoming weekend.2 days ago · Surface Wind. Central North Pacific (140°W to 180°) Tropical Weather Outlook. 200 PM HST Tue Sep 5 2023. There are no tropical cyclones in the Central North Pacific at this time. Marine products from NHC's. Tropical Analysis and Forecast Branch. Preparing for a hurricane. #HurricaneStrong. Latest Satellite Imagery. Unless otherwise noted, the images linked from this page are located on servers at the Satellite Products and Services Division (SPSD) of the National Environmental Satellite, Data, and Information Service (NESDIS). If you are looking for high resolution, photographic quality satellite imagery of hurricanes and other ...NOAA NOAA's National Weather Service is building a Weather-Ready Nation by providing better information for better decisions to save lives and livelihoods Latest Features NOAA forecasters increase Atlantic hurricane season prediction to ‘above normal’ #Idalia resources: The latest storm forecasts, maps, imagery and moreDetailed Forecast. A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rain. Patchy fog after 8pm. Otherwise, cloudy, with a low around 67. NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected] NOAA National Weather Service Reno, NV. A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic.Sep 30, 2022 · NOAA's National Weather Service wants you to have the latest, most accurate information on Ian to keep you informed and safe. Here is a compilation of information that you can use before, during, and after the storm to have the most current forecasted weather conditions for your area, evacuation and shelter information, and available resources to help keep you safe. Virginia Beach VA. 36.74°N 76.03°W (Elev. 10 ft) Last Update: 2:19 pm EDT Sep 5, 2023. Forecast Valid: 10pm EDT Sep 5, 2023-6pm EDT Sep 12, 2023. Forecast Discussion. Hazard/Overview Map NWS Fire Wx Forecast Map Today's SPC Outlook Latest Wildland Fire Outlook Current Large Incidents. Tomorrow's SPC Outlook. Day 3-8 SPC Outlook. Current Wildland Fire Potential Outlook. Next Month's Wildland Fire Potential Outlook. Extended Wildland Fire Potential Outlook. NWS Hazard Map. Point Forecast: 6 Miles E Visalia CA. 36.32°N 119.3°W (Elev. 299 ft) Last Update: 12:07 am PDT Sep 3, 2023. Forecast Valid: 1am PDT Sep 3, 2023-6pm PDT Sep 9, 2023. Forecast Discussion.Today. A chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 86. Southwest wind 6 to 13 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight. A chance of showers and thunderstorms, mainly before 2am.1 day ago · NOAA National Weather Service Tampa Bay Area, FL NOAA National Weather Service Albuquerque, NM. Some clouds early across the southwest mts and parts of central NM. A cool early September night expected areawide.NOAA National Weather Service San Diego, CA. Another mild (albeit somewhat humid) day will occur Monday with highs in the 70s to lower 80s west of the mountains with mid to upper 90s in the lower deserts.NOAA National Weather Service National Weather Service. Heat Continues and Severe Thunderstorms Threaten the East and South. Excessive Heat Warnings and Heat Advisories are in place for parts of the south-central U.S. on Thursday while a heat wave will continue in the mid-Atlantic and Northeast.July 2021 has earned the unenviable distinction as the world’s hottest month ever recorded, according to new global data released today by NOAA’s National Centers for Environmental Information. “In this case, first place is the worst place to be,” said NOAA Administrator Rick Spinrad, Ph.D. “JDetailed Forecast. Today. Sunny, with a high near 80. Southeast wind around 7 mph becoming northeast in the afternoon. Tonight. Mostly clear, with a low around 58. East wind around 5 mph becoming light and variable. Saturday. Increasing clouds, with a high near 84.Powerful Hurricane Idalia Approaching the Southeast. Hurricane Idalia continues to strengthen in the Gulf of Mexico as the system approaches the Southeast. Life-threatening storm surge inundation, hurricane-force-winds, excessive rainfall that could cause flash flooding, and a few tornadoes will be possible on Wednesday as Idalia moves onshore.Jacksonville FL. 30.34°N 81.65°W. Last Update: 5:45 pm EDT Aug 30, 2023. Forecast Valid: 6pm EDT Aug 30, 2023-6pm EDT Sep 6, 2023.FAQ. The National Weather Service (NWS) Marine Weather Services Program offers a broad range of marine forecast and warning products in graphical and text formats (See Tabs above). The NWS provides forecasts and warning services for the coastal waters along the mainland of the continental U.S., the Great Lakes and the Offshore and High Seas ...NOAA's National Weather Service wants you to have the latest, most accurate information on Ian to keep you informed and safe. Here is a compilation of information that you can use before, during, and after the storm to have the most current forecasted weather conditions for your area, evacuation and shelter information, and available resources to help keep you safe.Point Forecast: Seattle WA Similar City Names. 47.62°N 122.36°W (Elev. 105 ft) Last Update: 1:33 am PDT Sep 4, 2023. Forecast Valid: 3am PDT Sep 4, 2023-6pm PDT Sep 10, 2023. Forecast Discussion. National Observations. Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS. Experimental National Water Center Products ...Biden-Harris Administration makes $45 million available for coastal habitat restoration and resilience for tribes and underserved communities through Investing in America agenda. Funding will advance NOAA’s efforts to build a more Climate-Ready Nation. NOAA.Winds could gust as high as 20 mph. Wednesday Night. Mostly clear, with a low around 57. Southwest wind 5 to 9 mph becoming light and variable after midnight. Thursday. Sunny, with a high near 89. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Thursday Night. 1 day ago · A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic. Hazard/Overview Map NWS Fire Wx Forecast Map Today's SPC Outlook Latest Wildland Fire Outlook Current Large Incidents. Tomorrow's SPC Outlook. Day 3-8 SPC Outlook. Current Wildland Fire Potential Outlook. Next Month's Wildland Fire Potential Outlook. Extended Wildland Fire Potential Outlook. NWS Hazard Map. Houston TX Similar City Names. 29.77°N 95.39°W (Elev. 52 ft) Last Update: 2:20 am CDT Sep 6, 2023. Forecast Valid: 3am CDT Sep 6, 2023-6pm CDT Sep 12, 2023. Forecast Discussion. Sarasota FL Similar City Names. 27.33°N 82.55°W (Elev. 0 ft) Last Update: 2:15 pm EDT Sep 1, 2023. Forecast Valid: 6pm EDT Sep 1, 2023-6pm EDT Sep 8, 2023.Point Forecast: 2 Miles SW Long Beach CA. 33.76°N 118.19°W (Elev. 3 ft) Last Update: 2:20 pm PDT Sep 3, 2023. Forecast Valid: 7pm PDT Sep 3, 2023-6pm PDT Sep 10, 2023. Forecast Discussion. Current By State/County... UV Alerts Observations Radar Satellite Snow Cover Surface Weather... Observed Precip Forecasts Local Graphical Aviation Marine Hurricanes Severe Weather Space Weather Fire Weather Text Bulletins By State By Message Type National Forecast Models Numerical Models Statistical Models... MOS Prod GFS-LAMP Prod ClimateWinds could gust as high as 20 mph. Wednesday Night. Mostly clear, with a low around 57. Southwest wind 5 to 9 mph becoming light and variable after midnight. Thursday. Sunny, with a high near 89. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Thursday Night. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service St. Louis, MO 12 Missouri Research Park Drive St. Charles, MO 63304-5685NOAA National Weather Service National Weather Service. A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic.33.45°N 112.07°W (Elev. 1132 ft) Last Update: 9:38 pm MST Sep 4, 2023. Forecast Valid: 10pm MST Sep 4, 2023-6pm MST Sep 11, 2023. Forecast Discussion. Water Vapor: GOES East. This image is taken using a wavelength sensitive to the content of water vapor in the atmosphere. White and and cool-colored areas indicate high water vapor (moisture) content (green areas indicate the presence of both high moisture content and/or ice crystals).Today. A chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 86. Southwest wind 6 to 13 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight. A chance of showers and thunderstorms, mainly before 2am.25.76°N 80.21°W. Last Update: 8:46 pm EDT Sep 5, 2023. Forecast Valid: 9pm EDT Sep 5, 2023-6pm EDT Sep 12, 2023. Forecast Discussion.US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service St. Louis, MO 12 Missouri Research Park Drive St. Charles, MO 63304-5685This Afternoon. A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 81. Southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight. Showers and thunderstorms likely before 2am ...Point Forecast: Portland ME. 43.66°N 70.27°W (Elev. 7 ft) Last Update: 11:11 pm EDT Sep 5, 2023. Forecast Valid: 1am EDT Sep 6, 2023-6pm EDT Sep 12, 2023. Forecast Discussion. Severe Weather Statement. High Wind Warning. Tropical Storm Warning. Flood Warning. Severe Thunderstorm Watch. Gale Warning. Red Flag Warning. Heat Advisory. Flood Advisory. Winds could gust as high as 20 mph. Wednesday Night. Mostly clear, with a low around 57. Southwest wind 5 to 9 mph becoming light and variable after midnight. Thursday. Sunny, with a high near 89. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Thursday Night. A slight chance of showers and thunderstorms between 8am and 11am. Mostly sunny, with a high near 94. Heat index values as high as 99. Breezy, with a south wind 14 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. Tuesday Night. A chance of showers and thunderstorms between 8pm and 2am. Mostly clear, with a low around 68. Stifling Heat; Poor Air Quality . A stifling and record breaking heat wave continues to across the East and in the Southern U.S. today. The heat in the East and major metro areas will persist through Thursday, while the relentless heat in Texas and adjacent states will linger through the upcoming weekend. A slight chance of showers and thunderstorms between 8am and 11am. Mostly sunny, with a high near 94. Heat index values as high as 99. Breezy, with a south wind 14 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. Tuesday Night. A chance of showers and thunderstorms between 8pm and 2am. Mostly clear, with a low around 68.NOAA National Weather Service National Weather Service. A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic. Eastern North Pacific (East of 140°W) Tropical Weather Outlook. 1100 PM PDT Sun Sep 3 2023. Tropical Weather Discussion. 0405 UTC Mon Sep 4 2023. There are no tropical cyclones in the Eastern North Pacific at this time. Central North Pacific (140°W to 180°) Tropical Weather Outlook. 800 PM HST Sun Sep 3 2023.NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected] Forecast. Sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon. Mostly clear, with a low around 66. Southeast wind around 5 mph becoming calm. Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon. Partly cloudy, with a low around 67.1 day ago · NOAA National Weather Service Tampa Bay Area, FL 2 days ago · National Observations. Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS. Experimental National Water Center Products ... 22 hours ago · National Hurricane Center. Top News of the Day... view past news. Last update Mon, 4 Sep 2023 07:03:22 UTC. NHC issuing advisories for the Atlantic on TS Gert and TD Katia. NHC publishes Mariner's Tropical Cyclone Guide. Severe Weather Statement. High Wind Warning. Tropical Storm Warning. Flood Warning. Severe Thunderstorm Watch. Gale Warning. Red Flag Warning. Heat Advisory. Flood Advisory. Based on the annual report from NOAA’s Global Monitoring Lab, global average atmospheric carbon dioxide was 417.06 parts per million (“ppm” for short) in 2022, setting a new record high. The increase between 2021 and 2022 was 2.13 ppm—the 11 th year in a row where the amount of carbon dioxide in the atmosphere increased by more than 2 ...Wednesday. A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Wednesday Night. A 40 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66.Stifling Heat; Poor Air Quality . A stifling and record breaking heat wave continues to across the East and in the Southern U.S. today. The heat in the East and major metro areas will persist through Thursday, while the relentless heat in Texas and adjacent states will linger through the upcoming weekend.NOAA National Weather Service Cleveland, OH. Click Here To Read More About The August 24-25, 2023 Severe Weather! Click Here For The Fall 2023 SkyWarn Schedule!US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Denver/Boulder, CO 325 Broadway Boulder, CO 80305-332822 hours ago · Central North Pacific (140°W to 180°) Tropical Weather Outlook. 800 AM HST Sun Sep 3 2023. There are no tropical cyclones in the Central North Pacific at this time. Marine products from NHC's. Tropical Analysis and Forecast Branch. Preparing for a hurricane. #HurricaneStrong. A Partnership with FLASH. Detailed Forecast. Sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon. Mostly clear, with a low around 66. Southeast wind around 5 mph becoming calm. Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon. Partly cloudy, with a low around 67.NOAA National Weather Service Jacksonville, FL. Daily Weather Briefing; Hurricane Season 2023 - Current Situational Overview US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service El Paso, TX 7955 Airport Rd Santa Teresa, NM 88008 (575) 589-4088NOAA National Weather Service Jacksonville, FL. Daily Weather Briefing; Hurricane Season 2023 - Current Situational OverviewTuesday. A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 23 mph. Tuesday Night. A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 11 to 14 mph, with gusts as ... Sep 30, 2022 · NOAA's National Weather Service wants you to have the latest, most accurate information on Ian to keep you informed and safe. Here is a compilation of information that you can use before, during, and after the storm to have the most current forecasted weather conditions for your area, evacuation and shelter information, and available resources to help keep you safe. NOAA National Weather Service National Weather Service. A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic.NOAA National Weather Service National Weather Service. A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic.
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Stifling Heat; Poor Air Quality . A stifling and record breaking heat wave continues to across the East and in the Southern U.S. today. The heat in the East and major metro areas will persist through Thursday, while the relentless heat in Texas and adjacent states will linger through the upcoming weekend.Detailed Forecast. A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rain. Patchy fog after 8pm. Otherwise, cloudy, with a low around 67. Wednesday. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 92. Light and variable wind becoming southwest 5 to 9 mph in the morning. Wednesday Night. A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 70. Southwest wind 6 to 8 mph. Chance of precipitation is 50%. NOAA's National Weather Service wants you to have the latest, most accurate information on Ian to keep you informed and safe. Here is a compilation of information that you can use before, during, and after the storm to have the most current forecasted weather conditions for your area, evacuation and shelter information, and available resources to help keep you safe.FAQ. The National Weather Service (NWS) Marine Weather Services Program offers a broad range of marine forecast and warning products in graphical and text formats (See Tabs above). The NWS provides forecasts and warning services for the coastal waters along the mainland of the continental U.S., the Great Lakes and the Offshore and High Seas ... Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Southwest wind 7 to 9 mph. Sunday. Mostly sunny, with a high near 89. West southwest wind 10 to 14 mph, with gusts as high as 21 mph. Sunday Night. Partly cloudy, with a low around 68. Southwest wind around 11 mph, with gusts as high as 18 mph. Labor Day.Sunday. A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 98. South wind 5 to 15 mph, with gusts as high as 20 mph. Sunday Night. A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.Detailed Forecast. Sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon. Mostly clear, with a low around 66. Southeast wind around 5 mph becoming calm. Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon. Partly cloudy, with a low around 67. Today. A chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 86. Southwest wind 6 to 13 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight. A chance of showers and thunderstorms, mainly before 2am.Tuesday. A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 23 mph. Tuesday Night. A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 11 to 14 mph, with gusts as ...NOAA National Weather Service National Weather Service. Heat Continues and Severe Thunderstorms Threaten the East and South. Excessive Heat Warnings and Heat Advisories are in place for parts of the south-central U.S. on Thursday while a heat wave will continue in the mid-Atlantic and Northeast.Stifling Heat; Poor Air Quality . A stifling and record breaking heat wave continues to across the East and in the Southern U.S. today. The heat in the East and major metro areas will persist through Thursday, while the relentless heat in Texas and adjacent states will linger through the upcoming weekend.1 day ago · NWS Fort Worth/Dallas. Heat Relief Next Week! Although some may experience actual temperatures a degree or two lower today than yesterday, slightly higher humidity should keep heat index values between 105-110 degrees areawide. A Heat Advisory is in effect through this afternoon. Virginia Beach VA. 36.74°N 76.03°W (Elev. 10 ft) Last Update: 2:19 pm EDT Sep 5, 2023. Forecast Valid: 10pm EDT Sep 5, 2023-6pm EDT Sep 12, 2023. Forecast Discussion. NOAA National Weather Service National Weather Service. A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic. NOAA National Weather Service National Weather Service. A Very Hot Labor Day. A huge dome of high pressure will deliver well above normal and very hot temperatures from the Plains into the East on Labor Day, basically most of the Eastern two-thirds of the U.S. Numerous record high temperatures are likely especially across the Upper Mississippi Valley into the Great Lakes and in the Mid-Atlantic..