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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.

Clear

57°F

14°C

Humidity 82%
Wind Speed ENE 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Aug 04:35 AM PDT
Extended Forecast for

5 Miles WSW Fort Jones CA

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 49. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light north wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Northwest wind 6 to 11 mph becoming light and variable in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Tonight
Clear, with a low around 49. North northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Light north wind.
Tuesday Night
Mostly clear, with a low around 52. Northwest wind 6 to 11 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 84. Light and variable wind.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Fort Jones CA
 41.59°N 122.94°W (Elev. 3734 ft)
Last Update:
4:40 am PDT Aug 18, 2025
Forecast Valid:
4am PDT Aug 18, 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