Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

74°F

23°C

Humidity 94%
Wind Speed S 8 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Jun 1:52 am EDT
Extended Forecast for

Catharpin VA

  • Overnight

    Overnight: Mostly clear, with a low around 71. Southwest wind around 6 mph.

    Low: 71 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 92. Heat index values as high as 100. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Sunny then
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 63. Southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. West wind 7 to 9 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 71. Southwest wind around 6 mph.
Juneteenth
A chance of showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 92. Heat index values as high as 100. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 63. Southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 86. West wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 65. Calm wind.
Saturday
Sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.85°N 77.55°W (Elev. 233 ft)
1:30 am EDT Jun 19, 2025
2am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
 
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Additional Resources

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