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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

60°F

16°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Oct 1:52 am EDT
Extended Forecast for

Catharpin VA

  • Overnight

    Overnight: A chance of showers before 4am, then a slight chance of showers after 5am. Cloudy, with a low around 58. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 8am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 48. Northwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 55. Breezy, with a north wind 21 to 24 mph, with gusts as high as 37 mph.

    High: 55 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. North wind 6 to 11 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

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

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers before 4am, then a slight chance of showers after 5am. Cloudy, with a low around 58. South wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers before 8am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 48. Northwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 55. Breezy, with a north wind 21 to 24 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 35. North wind 6 to 11 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
Last Update:
10:53 pm EDT Oct 15, 2026
Forecast Valid:
2am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation