National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

39°F

4°C

Humidity 80%
Wind Speed SSE 8 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 27 Nov 05:35 PM PST
Extended Forecast for

4 Miles N Etna CA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 28. South southwest wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 27. Light southeast wind.

    Low: 27 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 53.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 28. South southwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 51. Calm wind.
Friday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 27. Light southeast wind.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 52. Light and variable wind.
Saturday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 27. Light and variable wind.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 50.
Sunday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 27.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Etna CA
 41.53°N 122.89°W (Elev. 2799 ft)
Last Update:
3:40 pm PST Nov 27, 2025
Forecast Valid:
5pm PST Nov 27, 2025-6pm PST Dec 4, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation