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.

Partly Cloudy

55°F

13°C

Humidity 62%
Wind Speed S 6 mph
Barometer 30.22 in (1023.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 27 Apr 11:52 pm EDT
Extended Forecast for

Catharpin VA

  • Tonight

    Tonight: Partly cloudy, with a low around 44. South wind around 7 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 10am and 5pm.  Mostly cloudy, with a high near 64. South wind 6 to 11 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 after 8pm.  Partly cloudy, with a low around 49. Southeast wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 2pm.  High near 68. Southeast wind 6 to 11 mph, with gusts as high as 18 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. South 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 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm.  Mostly cloudy, with a low around 43. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. South wind around 7 mph.
Tuesday
A chance of showers between 10am and 5pm. Mostly cloudy, with a high near 64. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Tuesday Night
A slight chance of showers after 8pm. Partly cloudy, with a low around 49. 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 6 to 11 mph, with gusts as high as 18 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. South 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 64.
Thursday Night
Mostly clear, with a low around 41.
Friday
Mostly sunny, with a high near 64.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
10:53 pm EDT Apr 27, 2026
11pm EDT Apr 27, 2026-6pm EDT May 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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