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

Fire Weather Concerns for the Plains; Thunderstorms in the Southeast; Record Warmth Spreads in the Southwest

Elevated to locally critical conditions will persist across the High Plains. Showers and scattered thunderstorms are expected over parts of the Southeast and Florida Peninsula. Clipper system will bring modest snowfall and strong winds from the Northern High Plains into the Upper Midwest this weekend. Record warmth will persist across the Southwest into the southern Plains. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

52°F

11°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 26 Feb 07:15 PM PST
Extended Forecast for

Montague CA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A 30 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly before 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A slight chance of rain before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 35. Light and variable wind.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 62. Calm wind.
Friday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 57. Light and variable wind.
Saturday Night
A 40 percent chance of rain, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Sunday
A 30 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
A 40 percent chance of rain, mainly before 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 39.
Monday
A slight chance of rain before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 33.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Snow level 4800 feet. Partly sunny, with a high near 55.
Wednesday Night
A slight chance of rain. Snow level 4500 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, 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:
3:41 pm PST Feb 26, 2026
Forecast Valid:
7pm PST Feb 26, 2026-6pm PST Mar 5, 2026
 
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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