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

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.

Overcast

39°F

4°C

Humidity 100%
Wind Speed S 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 22 Apr 02:20 AM PDT
Extended Forecast for

3 Miles SSW Fort Jones CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. Light south wind.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 66. Calm wind.

    High: 66 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain after 11am. Sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm. Snow level 7100 feet lowering to 5700 feet after midnight . Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. Light south wind.
Wednesday
Mostly sunny, with a high near 56. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 33. Northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 66. Calm wind.
Thursday Night
Clear, with a low around 34. Light and variable wind.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 38.
Saturday
A slight chance of rain after 11am. Sunny, with a high near 66.
Saturday Night
A slight chance of rain before 11pm. Snow level 7100 feet lowering to 5700 feet after midnight . Partly cloudy, with a low around 37.
Sunday
A chance of rain after 11am. Snow level 5200 feet rising to 5800 feet in the afternoon. Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A slight chance of rain. Snow level 5200 feet rising to 6000 feet in the afternoon. Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Fort Jones CA
 41.56°N 122.84°W (Elev. 2733 ft)
Last Update:
12:41 am PDT Apr 22, 2026
Forecast Valid:
2am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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