Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. 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 24%
Wind Speed N 13 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 05 Aug 07:05 PM PDT
Extended Forecast for

Montague CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. North northwest wind 6 to 11 mph becoming light north.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, then gradual clearing during the afternoon, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 86 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. North wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 87. Light north wind becoming north northwest 5 to 10 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. North wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. North northwest wind 6 to 11 mph becoming light north.
Wednesday
Mostly cloudy, then gradual clearing during the afternoon, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. North wind 6 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 87. Light north wind becoming north northwest 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 51. North wind 6 to 13 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Sunny and hot, with a high near 101.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny and hot, with a high near 102.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.74°N 122.53°W (Elev. 2589 ft)
4:40 pm PDT Aug 5, 2025
7pm PDT Aug 5, 2025-6pm PDT Aug 12, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database