National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

80°F

27°C

Humidity 44%
Wind Speed SW 13 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Apr 11:52 am EDT
Extended Forecast for

Chantilly VA

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 86. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then isolated showers between 3am and 5am. Patchy fog after 1am. Low around 61. Northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers then
    Scattered
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. East wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 75 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. East wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. South wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 86. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 3am, then isolated showers between 3am and 5am. Patchy fog after 1am. Low around 61. Northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. East wind 5 to 8 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. East wind 7 to 9 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82. South wind 8 to 14 mph, with gusts as high as 23 mph.
Friday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
Showers, mainly after 8am. High near 72. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Low around 41. Chance of precipitation is 80%.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chantilly VA
 38.88°N 77.43°W (Elev. 299 ft)
Last Update:
10:53 am EDT Apr 1, 2026
Forecast Valid:
12pm EDT Apr 1, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation