Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

60°F

16°C

Humidity 30%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 15 Mar 01:53 PM PDT
Extended Forecast for

Montague CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind.

    High: 76 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. Calm wind.
Tonight
Partly cloudy, with a low around 39. Calm wind.
Monday
Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind.
Monday Night
Clear, with a low around 41. Light and variable wind.
Tuesday
Sunny, with a high near 79. Calm wind.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
1:41 pm PDT Mar 15, 2026
2pm PDT Mar 15, 2026-6pm PDT Mar 21, 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