Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

23°F

-5°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 22°F (-6°C)
Visibility 9.00 mi
Last update 13 Jan 01:53 AM PST
Extended Forecast for

Montague CA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 47. Calm wind.

    High: 47 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog.  Otherwise, mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 50. Light north northeast wind.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 10pm.  Otherwise, mostly clear, with a low around 28. East wind 3 to 6 mph.

    Low: 28 °F

    Patchy Fog
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 29.

    Low: 29 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 24. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 47. Calm wind.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 26. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, sunny, with a high near 50. Light north northeast wind.
Wednesday Night
Patchy fog before 10pm. Otherwise, mostly clear, with a low around 28. East wind 3 to 6 mph.
Thursday
Sunny, with a high near 56.
Thursday Night
Clear, with a low around 29.
Friday
Sunny, with a high near 55.
Friday Night
Clear, with a low around 28.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 31.
M.L.King Day
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
1:52 am PST Jan 13, 2026
2am PST Jan 13, 2026-6pm PST Jan 19, 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