Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

36°F

2°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 13 Mar 01:35 AM PDT
Extended Forecast for

Montague CA

  • Overnight

    Overnight: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 66. Calm wind becoming north around 6 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. North wind 5 to 8 mph becoming calm  after midnight.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain before 11am.  Partly sunny, with a high near 63. Light and variable wind becoming north 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. North wind 10 to 15 mph becoming light east northeast  in the evening. Winds could gust as high as 23 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 34. Calm wind.
Friday
Mostly sunny, with a high near 66. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 38. North wind 5 to 8 mph becoming calm after midnight.
Saturday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 63. Light and variable wind becoming north 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 34. North wind 10 to 15 mph becoming light east northeast in the evening. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 74.
Monday Night
Clear, with a low around 40.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
1:41 am PDT Mar 13, 2026
1am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database