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

Severe Thunderstorms Thursday in the Southern Plains; Coastal Storm to Bring Rain and Wind to New England

Severe thunderstorms are possible across parts of the southern Plains Thursday, with large hail the main threat. A few instances of 2+ inch diameter hail are possible. A storm system moving north along the New England coast will bring heavy rain and gusty winds to the region Thursday and Friday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

55°F

13°C

Humidity 93%
Wind Speed Calm
Barometer 29.79 in (1008.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 22 May 2:52 am EDT
Extended Forecast for

3 Miles SSW Ashburn VA

  • Overnight

    Overnight: A chance of showers before 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 68. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 50. West wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. West wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers before 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 68. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 50. West wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 46. West wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 49.
Memorial Day
A chance of showers after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Monday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Tuesday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Ashburn VA
 39°N 77.49°W (Elev. 299 ft)
Last Update:
1:30 am EDT May 22, 2025
Forecast Valid:
3am EDT May 22, 2025-6pm EDT May 28, 2025
 
Forecast Discussion
 
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Additional Resources

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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