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

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

Winchester Regional (KOKV)

Lat: 39.15°NLon: 78.15°WElev: 728ft.

Fair

64°F

18°C

Humidity 64%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 3 Sep 9:55 am EDT
Extended Forecast for

Boyce VA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 84. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Sunny then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Friday Night

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

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 8am. Mostly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers then
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. South wind around 5 mph.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 84. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 63.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Sunday
A chance of showers before 8am. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boyce VA
 39.08°N 78.08°W (Elev. 600 ft)
Last Update:
7:29 am EDT Sep 3, 2025
Forecast Valid:
10am EDT Sep 3, 2025-6pm EDT Sep 9, 2025
 
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