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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.

Fog/Mist

60°F

16°C

Humidity 96%
Wind Speed S 3 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 15 Oct 11:52 pm EDT
Extended Forecast for

Reston VA

  • Overnight

    Overnight: A slight chance of showers before 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 58. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.

    High: 81 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 49. Northwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind 22 to 24 mph, with gusts as high as 37 mph.

    High: 54 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. North wind 5 to 13 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers before 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 58. South wind around 7 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 49. Northwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. 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 54. Breezy, with a north wind 22 to 24 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 36. North wind 5 to 13 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
Last Update:
10:53 pm EDT Oct 15, 2026
Forecast Valid:
12am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation