Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

54°F

12°C

Humidity 50%
Wind Speed NNE 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 01 Feb 12:00 PM PST
Extended Forecast for

Montague CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. North northwest wind 3 to 6 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Light north northeast wind.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 57. North northwest wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 28. Light north northeast wind.
Monday
Mostly sunny, with a high near 57. Calm wind.
Monday Night
Mostly clear, with a low around 29. Light and variable wind.
Tuesday
Mostly sunny, with a high near 60. Calm wind.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
9:41 am PST Feb 1, 2026
12pm PST Feb 1, 2026-6pm PST Feb 7, 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