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

Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

68°F

20°C

Humidity 28%
Wind Speed W 8 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 25 Mar 02:55 PM PDT
Extended Forecast for

Montague CA

  • Tonight

    Tonight: Partly cloudy, with a low around 29. North wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. West northwest wind 7 to 11 mph becoming north in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. North wind 5 to 10 mph becoming light northeast after midnight.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. Light east northeast wind.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. North wind 8 to 17 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 64. West northwest wind 7 to 11 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 30. North wind 5 to 10 mph becoming light northeast after midnight.
Friday
Mostly sunny, with a high near 73. Light east northeast wind.
Friday Night
Mostly clear, with a low around 36. Calm wind.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 42.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 65.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain. Snow level 6100 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 36.
Wednesday
Rain likely. Snow level 4800 feet. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
Last Update:
1:31 pm PDT Mar 25, 2026
Forecast Valid:
3pm PDT Mar 25, 2026-6pm PDT Apr 1, 2026
 
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