Severe Storms and Flash Flood Threat in the Lower Mississippi River Valley

Scattered severe thunderstorms are expected from parts of central/east Texas into the lower Mississippi Valley and Mid-South. Large hail, damaging wind gusts, and a couple of tornadoes all appear possible. Heavy rain from storms will also result in a threat of flash flooding. Critical fire weather conditions will exist in Northern California and New Mexico. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

67°F

19°C

Humidity 51%
Wind Speed S 7 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 9 May 6:52 pm EDT
Extended Forecast for

2 Miles WSW Great Falls VA

  • Tonight

    Tonight: A chance of showers after 8pm.  Cloudy, with a low around 52. South wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 52 °F

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 65. Northwest wind around 14 mph, with gusts as high as 21 mph.

    Decreasing
    Clouds

    High: 65 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 46. Northwest wind around 8 mph.

    Partly Cloudy

    Low: 46 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Northwest wind 7 to 13 mph, with gusts as high as 18 mph.

    Mostly Sunny

    High: 65 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 42. Northwest wind around 11 mph.

    Partly Cloudy

    Low: 42 °F

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    Sunny

    High: 64 °F

  • Wednesday
    Night

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

    Mostly Clear

    Low: 44 °F

  • Thursday

    Thursday: Sunny, with a high near 68.

    Sunny

    High: 68 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Mostly Cloudy

    Low: 48 °F

Detailed Forecast

Tonight
A chance of showers after 8pm. Cloudy, with a low around 52. South wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 65. Northwest wind around 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 46. Northwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 65. Northwest wind 7 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 42. Northwest wind around 11 mph.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
2 Miles WSW Great Falls VA
 39.01°N 77.32°W (Elev. 348 ft)
5:07 pm EDT May 9, 2021
7pm EDT May 9, 2021-6pm EDT May 16, 2021
 
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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