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Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

55°F

13°C

Humidity 36%
Wind Speed S 33 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 02:53 PM PDT
Extended Forecast for

3 Miles SSW Fort Jones CA

Winter Weather Advisory April 20, 03:04pm until April 21, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 20, 03:04pm until April 21, 11:00am

    NOW until 11:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 57 °F

    Rain Likely

  • Tonight

    Tonight: Rain. Snow level 6200 feet lowering to 5400 feet after midnight . Low around 39. South southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Snow level 5100 feet rising to 5800 feet in the afternoon. High near 55. Light and variable wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Rain likely before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of rain after 2am. Some thunder is also possible. Snow level 5500 feet lowering to 4500 feet. Mostly cloudy, with a low around 35. West wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 40 percent chance of rain. Snow level 4400 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 55. Light south southwest wind becoming west 5 to 9 mph in the afternoon.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

Detailed Forecast

This Afternoon
Rain likely. Mostly cloudy, with a high near 57. South southeast wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Tonight
Rain. Snow level 6200 feet lowering to 5400 feet after midnight . Low around 39. South southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Snow level 5100 feet rising to 5800 feet in the afternoon. High near 55. Light and variable wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain likely before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of rain after 2am. Some thunder is also possible. Snow level 5500 feet lowering to 4500 feet. Mostly cloudy, with a low around 35. West wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
A 40 percent chance of rain. Snow level 4400 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 55. Light south southwest wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 35.
Friday
Sunny, with a high near 70.
Friday Night
Clear, with a low around 39.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 40.
Monday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Fort Jones CA
 41.56°N 122.84°W (Elev. 2733 ft)
Last Update:
2:38 pm PDT Apr 20, 2026
Forecast Valid:
3pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation