Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

79°F

26°C

Humidity 22%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Aug 02:10 PM PDT
Extended Forecast for

8 Miles SE Montague CA

Fire Weather Watch August 31, 12:00pm until August 31, 08:00pm
Click here for hazard details and duration
Fire Weather Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 82. North wind 8 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. North wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 45 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Breezy, with a light and variable wind becoming south 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am.  Sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 73. Breezy.

    High: 73 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 82. North wind 8 to 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 45. North 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 87. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 50. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 89. Breezy, with a light and variable wind becoming south 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph.
Monday Night
Mostly clear, with a low around 52. Breezy.
Tuesday
A 20 percent chance of rain after 11am. Sunny, with a high near 80.
Tuesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 73. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Partly sunny, with a high near 70.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Montague CA
 41.64°N 122.45°W (Elev. 2598 ft)
1:36 pm PDT Aug 29, 2026
2pm PDT Aug 29, 2026-6pm PDT Sep 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database