Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Critical Fire Weather in the Southern Plains

Severe thunderstorms will persist tonight across the Middle Mississippi Valley, producing damaging winds, large to very large hail and several tornadoes. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

58°F

14°C

Humidity 60%
Wind Speed S 6 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 27 Apr 9:52 pm EDT
Extended Forecast for

2 Miles NNW Great Falls VA

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Southeast wind 6 to 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, mainly between 11am and 5pm.  Mostly cloudy, with a high near 64. South wind 5 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 7pm, then a slight chance of showers after 8pm.  Mostly cloudy, with a low around 51. Southeast wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 2pm.  High near 68. Southeast wind 7 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 48. Southeast wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm.  Mostly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Southeast wind 6 to 8 mph.
Tuesday
A chance of showers, mainly between 11am and 5pm. Mostly cloudy, with a high near 64. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Tuesday Night
A slight chance of showers before 7pm, then a slight chance of showers after 8pm. Mostly cloudy, with a low around 51. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 68. Southeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 48. Southeast wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 63.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Great Falls VA
 39.03°N 77.32°W (Elev. 285 ft)
7:53 pm EDT Apr 27, 2026
10pm EDT Apr 27, 2026-6pm EDT May 4, 2026
 
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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