Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Winchester Regional (KOKV)

Lat: 39.15°NLon: 78.15°WElev: 728ft.

Light Rain

70°F

21°C

Humidity 83%
Wind Speed NW 3 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 Aug 7:15 pm EDT
Extended Forecast for

Upperville VA

Severe T-storm Watch until August 27, 10:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until August 27, 10:00pm

    NOW until 10:00pm Thu

    Severe T-storm Watch

  • Tonight

    Low: 67 °F

    Severe
    Thunderstorms
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers and thunderstorms, mainly between 4pm and 5pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 86 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Light and variable wind becoming north around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Light south wind.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and midnight. Some of the storms could be severe. Patchy fog after midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 67. Southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 65. Calm wind.
Saturday
Mostly sunny, with a high near 86. Light and variable wind becoming north around 5 mph.
Saturday Night
Mostly clear, with a low around 67. Light south wind.
Sunday
Sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Upperville VA
 39°N 77.9°W (Elev. 574 ft)
4:53 pm EDT Aug 27, 2026
7pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
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Additional Resources

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