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

Tracking Storm System Across the Central U.S.

A storm system will slowly continue to press across the central U.S. Friday and Saturday with widespread showers and thunderstorms. Slight risks for severe thunderstorms and excessive rainfall have been issued Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

48°F

9°C

Humidity 50%
Wind Speed N 5 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 Oct 1:52 am EDT
Extended Forecast for

3 Miles SSE Chantilly VA

  • Overnight

    Overnight: Clear, with a low around 40. North wind around 6 mph.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64. Northwest wind 6 to 8 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. South wind around 7 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Mostly sunny, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 40. North wind around 6 mph.
Friday
Sunny, with a high near 64. Northwest wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 46. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53. South wind around 7 mph.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Monday
A chance of showers before 8am. Mostly sunny, with a high near 64. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Chantilly VA
 38.84°N 77.38°W (Elev. 449 ft)
Last Update:
1:29 am EDT Oct 17, 2025
Forecast Valid:
1am EDT Oct 17, 2025-6pm EDT Oct 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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