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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

30°F

-1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.61 in (1036.57 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 09 Jan 10:30 AM PST
Extended Forecast for

Montague CA

  • Today

    Today: Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Sunny

  • Tonight

    Tonight: Areas of fog after midnight. Areas of freezing fog after midnight. Otherwise, partly cloudy, with a low around 22. Light and variable wind.

    Low: 22 °F

    Partly Cloudy
    then Areas
    Freezing Fog
    and Areas Fog

  • Saturday

    Saturday: Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Areas of fog after 10pm. Areas of freezing fog after 1am. Otherwise, mostly cloudy, with a low around 26. Light east wind.

    Low: 26 °F

    Areas
    Freezing Fog
    and Areas Fog

  • Sunday

    Sunday: Areas of fog before 11am. Areas of freezing fog before 10am. Otherwise, mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 26.

    Low: 26 °F

    Areas Fog

  • Monday

    Monday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 50.

    High: 50 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly sunny, with a high near 42. Calm wind.
Tonight
Areas of fog after midnight. Areas of freezing fog after midnight. Otherwise, partly cloudy, with a low around 22. Light and variable wind.
Saturday
Areas of fog before noon. Areas of freezing fog before noon. Otherwise, mostly cloudy, with a high near 45. Calm wind.
Saturday Night
Areas of fog after 10pm. Areas of freezing fog after 1am. Otherwise, mostly cloudy, with a low around 26. Light east wind.
Sunday
Areas of fog before 11am. Areas of freezing fog before 10am. Otherwise, mostly sunny, with a high near 49. Calm wind.
Sunday Night
Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 26.
Monday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Sunny, with a high near 57.
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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:
9:41 am PST Jan 9, 2026
Forecast Valid:
10am PST Jan 9, 2026-6pm PST Jan 15, 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