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

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue today through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the southern Plains today, moving into the central Plains and Southeast U.S on Saturday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

27°F

-3°C

Humidity 80%
Wind Speed W 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 27 Mar 05:53 AM PDT
Extended Forecast for

Montague CA

  • Today

    Today: Sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain, mainly after 11am. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 73. Light and variable wind.
Tonight
Partly cloudy, with a low around 38. Calm wind.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 39. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 74. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 41.
Monday
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 63.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Snow level 5100 feet. Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain. Snow level 4800 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 32.
Thursday
A chance of rain. Snow level 3100 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 52.
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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:
4:41 am PDT Mar 27, 2026
Forecast Valid:
6am PDT Mar 27, 2026-6pm PDT Apr 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation