Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Partly Cloudy

19°F

-7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 19°F (-7°C)
Visibility 7.00 mi
Last update 12 Jan 06:35 AM PST
Extended Forecast for

5 Miles W Fort Jones CA

Freezing Fog Advisory January 12, 06:58am until January 12, 11:00am
Click here for hazard details and duration
...
  •  
    Freezing Fog Advisory January 12, 06:58am until January 12, 11:00am

    NOW until 11:00am Mon

    Freezing Fog Advisory

  • Today

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Southeast wind 3 to 5 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44. Light east wind.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 30. Light south southeast wind.

    Low: 30 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52. Light east wind.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 42. Light east wind.
Tonight
Mostly clear, with a low around 30. Southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 44. Light east wind.
Tuesday Night
Clear, with a low around 30. Light south southeast wind.
Wednesday
Sunny, with a high near 52. Light east wind.
Wednesday Night
Clear, with a low around 28.
Thursday
Sunny, with a high near 52.
Thursday Night
Clear, with a low around 30.
Friday
Sunny, with a high near 52.
Friday Night
Clear, with a low around 32.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Jones CA
 41.61°N 122.94°W (Elev. 2999 ft)
3:41 am PST Jan 12, 2026
6am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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