Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Rain

45°F

7°C

Humidity 87%
Wind Speed SSE 10 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 11 Apr 08:20 PM PDT
Extended Forecast for

5 Miles W Fort Jones CA

Winter Weather Advisory until April 12, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 12, 11:00am

    NOW until 11:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: 33 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of rain and snow showers before 8am, then rain showers. Some thunder is also possible.  Snow level 3400 feet rising to 5100 feet in the afternoon. High near 51. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 11pm.  Snow level 5100 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 34. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 34 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers.  Snow level 4000 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 52. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 52 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 11am.  Snow level 4200 feet rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

Detailed Forecast

Tonight
Showers likely, mainly before 10pm. Snow level 5200 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 33. East northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain and snow showers before 8am, then rain showers. Some thunder is also possible. Snow level 3400 feet rising to 5100 feet in the afternoon. High near 51. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
A 40 percent chance of showers before 11pm. Snow level 5100 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 34. West wind 5 to 8 mph becoming calm in the evening.
Monday
A 20 percent chance of showers. Snow level 4000 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 52. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 34. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Rain likely, mainly after 11am. Snow level 4200 feet rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 52.
Wednesday Night
A chance of rain before 11pm. Snow level 5400 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 27.
Thursday
Sunny, with a high near 53.
Thursday Night
Clear, with a low around 27.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 65.
Basemap Options
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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 11, 2026
8pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database