Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

37°F

3°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Jan 11:35 AM PST
Extended Forecast for

4 Miles NE Montague CA

  • Today

    Today: Partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 51. Calm wind.
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. Calm wind.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54. Calm wind.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Montague CA
 41.77°N 122.48°W (Elev. 2612 ft)
11:46 am PST Jan 20, 2026
11am PST Jan 20, 2026-6pm PST Jan 26, 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