Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

46°F

8°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 09 Dec 12:20 PM PST
Extended Forecast for

10 Miles NNE Montague CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. South wind 5 to 8 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 32. Light south wind.

    Low: 32 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 31. Calm wind becoming east southeast around 5 mph.

    Low: 31 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Thursday Night

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

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

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

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. South wind 5 to 8 mph.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 32. Light south wind.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 31. Calm wind becoming east southeast around 5 mph.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 58. Light and variable wind.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 55.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Montague CA
 41.86°N 122.45°W (Elev. 2598 ft)
9:41 am PST Dec 9, 2025
12pm PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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