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 55%
Wind Speed S 5 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Jan 01:53 PM PST
Extended Forecast for

5 Miles W Fort Jones CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 34. Light southeast wind.

    Low: 34 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 48. Light and variable wind.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Cloudy
    then 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: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

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

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. Calm wind.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 34. Light southeast wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 48. Light and variable wind.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 35. Light and variable wind.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 51. Calm wind.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Jones CA
 41.61°N 122.94°W (Elev. 2999 ft)
1:31 pm PST Jan 20, 2026
2pm 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