Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Clear

82°F

28°C

Humidity 16%
Wind Speed ESE 9 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Aug 08:20 PM PDT
Extended Forecast for

15 Miles NE Weed CA

Fire Weather Watch August 22, 02:00pm until August 22, 09:00pm
Red Flag Warning August 21, 02:00pm until August 21, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
Red Flag Warning
  • Tonight

    Tonight: Cloudy, with a low around 56. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 81 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 49. South southeast wind 5 to 8 mph becoming light and variable.

    Low: 49 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 78. Light southwest wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 44. West wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 44 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 49. South southeast wind 5 to 8 mph becoming light and variable.
Saturday
Sunny, with a high near 78. Light southwest wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Clear, with a low around 44. West wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Weed CA
 41.59°N 122.19°W (Elev. 4806 ft)
4:40 pm PDT Aug 20, 2026
8pm PDT Aug 20, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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