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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 24-hr time period ending daily at 12 pm UTC at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, and Puerto Rico. Updated daily.
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 1-hr time period at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, Hawaii and Puerto Rico. Updated hourly.
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 12-hr time period at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, Hawaii and Puerto Rico. Updated hourly.
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The percentage likelihood of measurable precipitation (0.01" or more) during a 12-hour period ending at the specified time for the next 7 days. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated at 00 and 12 UTC.
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Lightning strike density data from U.S. National Lightning Detection Network (NLDN) and Global Lightning Detection Network (GLD360). Time period: 15 minutes. Resolution: 5 x 5 miles. Extent: western South Pacific to north of Scotland. Source: NWS/NCEP/OPC
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NOAA National Snowfall Analysis: 24-hour
accumulation ending at 6 am UTC (= 1 am EST).
Combines monitoring station and model data into
a single report. Covers continental US only.
Updated daily.
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 3-hr time period at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, Hawaii and Puerto Rico. Updated hourly.
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Probability of hurricane-force winds occurring over the next 120 hrs from all tropical cyclones. Updated twice daily. Provided by the National Hurricane Center of the US NWS.
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US NWS 5-Day River Flood Outlook. Note: This Flood Outlook is intended to provide a general outlook for significant river flooding. It is not intended to depict all areas of minor flooding or small-scale events such as localized and/or flash flooding.
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The expected new ice accretion on all exposed surfaces during a 6 hour period, in inches, for the next 3 days. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated at 00, 06, 12, and 18 UTC.
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 1-hr time period at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, Hawaii and Puerto Rico. Updated hourly.
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The expected quantity of liquid precip. over a 6-hr period in inches for the next 3 days (incl. the liquid equivalent for snow and ice). Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated at 00, 06, 12, 18 UTC.
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The expected total accumulation of new snow during a 6 hour period, in inches, for the next 3 days. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated at 00, 06, 12, and 18 UTC.
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NWS multi-sensor (radar and rain gauge) quantitative precipitation estimate mosaics for the most recent 7-day time period ending daily at 12 pm UTC at a ~4 km (~2.5 miles) horizonal resolution for CONUS, Alaska, and Puerto Rico. Updated daily.
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Latest NWS 7-day Quantitative Precipitation Forecast. Covers North America from 20.60 °N to 57.15 °N.
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Global clouds
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Current air quality index (AQI) readings from a variety of sensors located throughout US states, territories, and embassies around the world. Provided by the AirNow program of the EPA. Updated hourly.
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Current composite air quality for North America. Provided by the AirNow program of the EPA. Updated hourly.
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NWS 24-hr Quantitative Precipitation Forecast. Covers North America from ~23 °N to ~50 °N. It is issued ~2215Z for the period between 00Z this evening and next; and ~1015Z for the period between 12Z today and next. Available for days 1-7.
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72 hr US hail report intensity map
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Active and forecast tropical weather systems including tropical depressions, tropical storms, hurricanes, typhoons, and tropical cyclones around the globe. Includes data from US NHC, CPHC, and JTWC. Updated hourly.
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US NWS alerts for hazardous air quality and reduced visibility events. Updated every 5 minutes.
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US NWS alerts for hazardous seas, surf, and coastal conditions. Updated every 5 minutes.
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Categorical forecast that specifies the relative level of threat from thunderstorms, hail, damaging winds, and tornadoes, over the next 3 days. Covers CONUS. Updated daily.
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Amount of opaque clouds (in percent) expected to be covering the sky for CONUS at the selected time, for the next 7 days. Provided by NWS from the National Digital Forecast Database (NDFD). Updated hourly.
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Probability that rainfall will exceed flash flood guidance within 25 miles of a point between 12Z on a specific day and 12Z the following day. Provided by the NWS Weather Prediction Center. Available for days 1-5. Covers CONUS. Updated daily.
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US NWS alerts for extreme heat and cold and agriculturally significant frosts and freezes. Updated every 5 minutes.
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US NWS alerts for long-duration flooding, including coastal, inland, storm surge, and tsunami. Updated every 5 minutes.
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US NWS alerts for urgent, short-duration events including dust storms, snow squalls, flash floods, severe thunderstorms, extreme wind, tornadoes, and special marine hazards. Updated every 5 minutes.
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US NWS alerts for high wind events, including both cyclonic and inland straight-line wind. Updated every 5 minutes.
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The expected daytime maximum surface air temperature (in degrees F) for CONUS for the next 7 days. Provided by NWS from the National Digital Forecast Database (NDFD). Updated daily at 0 UTC.
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The expected overnight minimum surface air temperature (in degrees F) for CONUS for the next 7 days. Provided by NWS from the National Digital Forecast Database (NDFD). Updated daily at 12 UTC.
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US NWS alerts for all conditions. Updated every 5 minutes.
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The ratio, expressed as a percent, of the amount of atmospheric moisture present relative to the amount that would be present if the air were saturated. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated hourly.
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Expected weather at the indicated time for CONUS for the next 7 days. Precipitating weather includes type, probability, and intensity. Provided by the NWS from the National Digital Forecast Database NDFD). Updated every 6 hours.
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US NWS alerts for conditions favorable for wildfire development. Updated every 5 minutes.
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The expected sustained wind speed at 10-meters in mph for the next 7 days. Covers CONUS. Provided by NWS from the National Digital Forecast Database (NDFD). Updated hourly.
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US NWS alerts for winter weather, including snowfall, freezing rain, ice storms, blizzards, freezing spray and freezing fog. Updated every 5 minutes.
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Week 2: Probability of Tropical Cyclogenesis. Released by the Climate Prediction Center of the US NWS at 11:30 am ET on Tuesdays and covers the following Wednesday through Tuesday. More.
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Global wind conditions
