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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

36°F

2°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Oct 08:20 AM PDT
Extended Forecast for

6 Miles WSW Fort Jones CA

  • Today

    Today: Sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. West northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 69. Light northeast wind.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 11pm. Mostly clear, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 64. Light and variable wind.
Tonight
Mostly clear, with a low around 34. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 65. Calm wind.
Thursday Night
Partly cloudy, with a low around 38. Calm wind.
Friday
Sunny, with a high near 69. Light northeast wind.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 74.
Saturday Night
A slight chance of rain after 11pm. Mostly clear, with a low around 43.
Sunday
A chance of rain. Partly sunny, with a high near 60.
Sunday Night
A slight chance of rain before 11pm. Snow level 6300 feet lowering to 5100 feet after midnight . Partly cloudy, with a low around 33.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Fort Jones CA
 41.58°N 122.97°W (Elev. 2946 ft)
Last Update:
4:40 am PDT Oct 15, 2025
Forecast Valid:
8am PDT Oct 15, 2025-6pm PDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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