Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

63°F

17°C

Humidity 33%
Wind Speed WNW 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 13 Mar 07:15 PM PDT
Extended Forecast for

Montague CA

  • Tonight

    Tonight: A 30 percent chance of rain after 5am.  Partly cloudy, with a low around 38. North wind 5 to 8 mph becoming light and variable.

    Low: 38 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming north 5 to 10 mph in the afternoon.

    High: 62 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. North wind 8 to 13 mph becoming light north northwest  in the evening. Winds could gust as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

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

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of rain after 5am. Partly cloudy, with a low around 38. North wind 5 to 8 mph becoming light and variable.
Saturday
A 30 percent chance of rain, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming north 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 30. North wind 8 to 13 mph becoming light north northwest in the evening. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 67. Calm wind.
Sunday Night
Mostly cloudy, with a low around 39. Calm wind.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
4:41 pm PDT Mar 13, 2026
7pm PDT Mar 13, 2026-6pm PDT Mar 20, 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