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

Severe Storms and Heavy Rain in the Midwest; Heat in Several Locations

Strong to severe thunderstorms with damaging winds, heavy rain, and flash flooding are expected across the central Plains into the Mid Mississippi Valley on Monday, especially Kansas into Missouri. Meanwhile, heat will consume several locations from the Northeast (Boston and New York City), in the Mid to Lower Mississippi Valley (Memphis and St. Louis) and persisting around the Phoenix metro area. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

23°C

73°F

Humidity 94%
Wind Speed SE 6 km/h
Barometer 1018.1 mb (30.08 in)
Dewpoint 22°C (71°F)
Visibility 14 km
Last update 10 Aug 4:52 am EDT
Extended Forecast for

2 Miles WSW Great Falls VA

  • Today

    Today: Isolated showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, sunny, with a high near 33. Light southwest wind becoming south 6 to 11 km/h in the morning. Chance of precipitation is 20%.

    Patchy Fog
    then Isolated
    T-storms

    High: 33 °C

  • Tonight

    Tonight: Mostly clear, with a low around 22. South wind 8 to 10 km/h.

    Mostly Clear

    Low: 22 °C

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 33. South wind 5 to 11 km/h. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 33 °C

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 23. South wind 5 to 10 km/h. Chance of precipitation is 30%.

    Chance
    T-storms then
    Partly Cloudy

    Low: 23 °C

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 33. Southeast wind 3 to 8 km/h. Chance of precipitation is 60%.

    Chance
    Showers then
    T-storms
    Likely

    High: 33 °C

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    T-storms
    Likely then
    Chance
    T-storms

    Low: 23 °C

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 8am. Partly sunny, with a high near 31. Chance of precipitation is 70%.

    Showers
    Likely

    High: 31 °C

  • Thursday
    Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 23 °C

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.

    Showers
    Likely

    High: 29 °C

Detailed Forecast

Today
Isolated showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, sunny, with a high near 33. Light southwest wind becoming south 6 to 11 km/h in the morning. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 22. South wind 8 to 10 km/h.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 33. South wind 5 to 11 km/h. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 23. South wind 5 to 10 km/h. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 33. Southeast wind 3 to 8 km/h. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after 8am. Partly sunny, with a high near 31. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 29. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles WSW Great Falls VA
 39.01°N 77.32°W (Elev. 106 m)
Last Update:
4:31 am EDT Aug 10, 2020
Forecast Valid:
5am EDT Aug 10, 2020-6pm EDT Aug 16, 2020
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation