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

Rain Providing Some Relief to Drought-Stricken Southern U.S.

A storm tracking across the southern U.S. will continue to bring areas of heavy thunderstorms with risks for severe weather and excessive rainfall from Texas to Florida through this weekend. While much of this rainfall will be beneficial to the drought, excessive rainfall may bring areas of flash and urban flooding. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

59°F

15°C

Humidity 36%
Wind Speed N 9 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 2 May 1:52 pm EDT
Extended Forecast for

2 Miles NNW Great Falls VA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 61. Northwest wind around 9 mph.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind 7 to 10 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 63. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West wind around 6 mph becoming light and variable after midnight.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74. Southwest wind 5 to 11 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 61. Northwest wind around 9 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind 7 to 10 mph.
Sunday
Sunny, with a high near 63. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 46. West wind around 6 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 74. Southwest wind 5 to 11 mph.
Monday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
Showers. Low around 60. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 45. Chance of precipitation is 60%.
Friday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Great Falls VA
 39.03°N 77.32°W (Elev. 285 ft)
Last Update:
2:24 pm EDT May 2, 2026
Forecast Valid:
2pm EDT May 2, 2026-6pm EDT May 8, 2026
 
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