Critical Fire Weather Conditions Continue; Pacific Storm to Bring Heavy Snow to the Sierra-Nevada

Critical fire weather conditions are forecast for the Southern Plains and portions of Florida through Thursday, as gusty winds and dry conditions return to the region. A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast and central Great Basin, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

47°F

8°C

Humidity 73%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 Apr 09:53 AM PDT
Extended Forecast for

3 Miles SSW Fort Jones CA

Winter Weather Advisory April 21, 10:10am until April 21, 11:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory April 21, 10:10am until April 21, 11:00am

    NOW until 11:00am Tue

    Winter Weather Advisory

  • Today

    High: 54 °F

    Showers
    Likely then
    Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 10pm, then a chance of rain.  Snow level 5200 feet lowering to 4300 feet after midnight . Low around 35. West northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain.  Snow level 4200 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 56. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Today
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. Snow level 5700 feet. High near 54. South wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm before 10pm, then a chance of rain. Snow level 5200 feet lowering to 4300 feet after midnight . Low around 35. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain. Snow level 4200 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 56. Light and variable wind becoming west 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 32. West wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 34.
Friday
Sunny, with a high near 70.
Friday Night
Clear, with a low around 38.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 39.
Monday
A slight chance of rain. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Fort Jones CA
 41.56°N 122.84°W (Elev. 2733 ft)
9:01 am PDT Apr 21, 2026
10am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

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