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

45°F

7°C

Humidity 56%
Wind Speed SSW 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Jan 03:00 PM PST
Extended Forecast for

6 Miles WSW Fort Jones CA

  • Tonight

    Tonight: Patchy fog between 7pm and 5am.  Otherwise, mostly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, mostly cloudy, with a high near 50. Light and variable wind.

    High: 50 °F

    Areas Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 10pm, then patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, sunny, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 4am, then patchy fog after 5am.  Otherwise, mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 7pm and 5am. Otherwise, mostly cloudy, with a low around 30. Light and variable wind.
Wednesday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 50. Light and variable wind.
Wednesday Night
Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 50. Calm wind.
Thursday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 25. Calm wind.
Friday
Sunny, with a high near 49.
Friday Night
Clear, with a low around 33.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Partly sunny, with a high near 48.
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 29.
Tuesday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Fort Jones CA
 41.58°N 122.97°W (Elev. 2946 ft)
2:21 pm PST Jan 20, 2026
3pm 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