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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

79°F

26°C

Humidity 39%
Wind Speed S 11 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 07:50 PM PDT
Extended Forecast for

5 Miles SW Fort Jones CA

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming clear, with a low around 55. Calm wind.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53. Northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming clear, with a low around 55. Calm wind.
Monday
Sunny, with a high near 85. Light and variable wind.
Monday Night
Clear, with a low around 49. North northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind.
Tuesday Night
Clear, with a low around 53. Northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 93.
Thursday Night
Clear, with a low around 56.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Clear, with a low around 55.
Sunday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Fort Jones CA
 41.55°N 122.9°W (Elev. 2799 ft)
Last Update:
5:28 pm PDT Aug 17, 2025
Forecast Valid:
8pm PDT Aug 17, 2025-6pm PDT Aug 24, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation