Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

54°F

12°C

Humidity 58%
Wind Speed W 5 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 Apr 05:00 PM PDT
Extended Forecast for

5 Miles W Fort Jones CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  Snow level 5500 feet. Steady temperature around 48. West wind around 6 mph.  Chance of precipitation is 80%.

    High: 48 °F

    Showers

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 2am, then a slight chance of rain after 5am.  Snow level 5300 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 34. West northwest wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Rain Likely
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly between 1pm and 4pm.  Snow level 4200 feet rising to 5300 feet in the afternoon. Mostly sunny, with a high near 53. Light and variable wind becoming west 5 to 8 mph in the afternoon.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63. Calm wind becoming north around 5 mph in the afternoon.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Snow level 5500 feet. Steady temperature around 48. West wind around 6 mph. Chance of precipitation is 80%.
Tonight
Rain likely and possibly a thunderstorm before 2am, then a slight chance of rain after 5am. Snow level 5300 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 34. West northwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain, mainly between 1pm and 4pm. Snow level 4200 feet rising to 5300 feet in the afternoon. Mostly sunny, with a high near 53. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 31. West wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 63. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 34.
Friday
Sunny, with a high near 68.
Friday Night
Clear, with a low around 38.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A slight chance of rain. Snow level 5500 feet rising to 6300 feet in the afternoon. Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Jones CA
 41.61°N 122.94°W (Elev. 2999 ft)
4:41 pm PDT Apr 21, 2026
5pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
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Additional Resources

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