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

43°F

6°C

Humidity 60%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Jan 05:00 PM PST
Extended Forecast for

3 Miles SSW Fort Jones CA

  • Tonight

    Tonight: Areas of fog after 10pm.  Otherwise, mostly cloudy, with a low around 28. Light and variable wind.

    Low: 28 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 10am.  Otherwise, mostly cloudy, with a high near 53. Calm wind.

    High: 53 °F

    Areas Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, sunny, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, sunny, with a high near 49.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 28. Light and variable wind.
Wednesday
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 53. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 51. Calm wind.
Thursday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 26. Calm wind.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Fort Jones CA
 41.56°N 122.84°W (Elev. 2733 ft)
3:41 pm PST Jan 20, 2026
5pm PST Jan 20, 2026-6pm PST Jan 27, 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