National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

57°F

14°C

Humidity 26%
Wind Speed SSE 19 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 20 Apr 08:00 AM PDT
Extended Forecast for

5 Miles W Fort Jones CA

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

  • Today

    Today: Rain likely, mainly after 1pm. Snow level 4900 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 50. South southeast wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain
    Likely

  • Tonight

    Tonight: Rain, mainly before 1am. Snow level 6000 feet lowering to 5300 feet after midnight . Low around 39. Southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain, then showers and possibly a thunderstorm after 11am. Snow level 5100 feet rising to 5800 feet in the afternoon. High near 50. North northeast wind around 5 mph becoming light and variable. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Snow level 5800 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 38. West northwest wind 6 to 11 mph becoming light west. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Snow level 4600 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 49. West wind 3 to 8 mph.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Rain likely, mainly after 1pm. Snow level 4900 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 50. South southeast wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 1am. Snow level 6000 feet lowering to 5300 feet after midnight . Low around 39. Southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of rain, then showers and possibly a thunderstorm after 11am. Snow level 5100 feet rising to 5800 feet in the afternoon. High near 50. North northeast wind around 5 mph becoming light and variable. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Snow level 5800 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 38. West northwest wind 6 to 11 mph becoming light west. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of rain. Snow level 4600 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 49. West wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 62.
Thursday Night
Clear, with a low around 35.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Jones CA
 41.61°N 122.94°W (Elev. 2999 ft)
Last Update:
4:41 am PDT Apr 20, 2026
Forecast Valid:
8am PDT Apr 20, 2026-6pm PDT Apr 26, 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