Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. 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 69%
Wind Speed ENE 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Jan 06:20 PM PST
Extended Forecast for

6 Miles WSW Fort Jones CA

  • Tonight

    Tonight: Patchy freezing fog after 7pm. Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Patchy fog between 10am and 1pm. Patchy freezing fog before 10am.  Otherwise, mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Patchy fog after 7pm.  Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 1pm.  Otherwise, partly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: Patchy fog after 7pm.  Otherwise, mostly cloudy, with a low around 33. Light south southwest wind.

    Low: 33 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 1pm.  Otherwise, sunny, with a high near 52.

    High: 52 °F

    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Friday Night

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

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy freezing fog after 7pm. Partly cloudy, with a low around 31. Calm wind.
Tuesday
Patchy fog between 10am and 1pm. Patchy freezing fog before 10am. Otherwise, mostly sunny, with a high near 47. Calm wind.
Tuesday Night
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Wednesday
Patchy fog before 1pm. Otherwise, partly sunny, with a high near 47. Calm wind.
Wednesday Night
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 33. Light south southwest wind.
Thursday
Patchy fog before 1pm. Otherwise, sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 33.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Fort Jones CA
 41.58°N 122.97°W (Elev. 2946 ft)
6:31 pm PST Jan 19, 2026
6pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database