Thunderstorms and Heavy Rain Possible in the Northern and Central Plains and New Mexico; Dangerous Heat Continues

Severe thunderstorms, capable of producing damaging winds and isolated large hail, and heavy rainfall are possible across the northern and central Plains. Monsoonal thunderstorms may produce heavy rainfall and possible flash flooding across New Mexico. Dangerous, long duration heat will continue over much of the central and eastern U.S. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

83°F

28°C

Humidity 70%
Wind Speed S 3 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 29 Jul 9:52 pm EDT
Extended Forecast for

Wolf Trap VA

Heat Advisory July 30, 11:00am until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming south around 6 mph in the afternoon.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 3 to 6 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Increasing clouds, with a high near 93. Heat index values as high as 102. South wind 3 to 6 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 93 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers.  Mostly cloudy, with a low around 69. Northeast wind around 6 mph.  Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 76. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 75. Calm wind.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 76. South wind 3 to 6 mph.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 93. Heat index values as high as 102. South wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 69. Northeast wind around 6 mph. Chance of precipitation is 70%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Wolf Trap VA
 38.94°N 77.27°W (Elev. 344 ft)
7:44 pm EDT Jul 29, 2025
10pm EDT Jul 29, 2025-6pm EDT Aug 5, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database