Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

75°F

24°C

Humidity 27%
Wind Speed N 17 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 29 Aug 06:20 PM PDT
Extended Forecast for

Fort Jones CA

Fire Weather Watch August 31, 12:00pm until August 31, 08:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Clear, with a low around 42. Northwest wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50. Light and variable wind.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Light and variable wind becoming south southeast 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. South southeast wind 10 to 15 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am.  Mostly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before 11pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain after 11am.  Partly sunny, with a high near 70.

    High: 70 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Tonight
Clear, with a low around 42. Northwest wind 6 to 11 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 87. Calm wind.
Sunday Night
Clear, with a low around 50. Light and variable wind.
Monday
Sunny, with a high near 89. Light and variable wind becoming south southeast 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 48. South southeast wind 10 to 15 mph becoming light and variable. Winds could gust as high as 23 mph.
Tuesday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 78.
Tuesday Night
A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain after 11am. Partly sunny, with a high near 70.
Wednesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Partly sunny, with a high near 68.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
A chance of rain. Mostly sunny, with a high near 72.
Friday Night
A chance of rain. Partly cloudy, with a low around 42.
Saturday
A slight chance of rain. Mostly sunny, with a high near 75.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Jones CA
 41.6°N 122.85°W (Elev. 2720 ft)
4:40 pm PDT Aug 29, 2026
6pm PDT Aug 29, 2026-6pm PDT Sep 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database