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Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

48°F

9°C

Humidity 61%
Wind Speed SW 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 07 Oct 04:35 AM PDT
Extended Forecast for

12 Miles NNE Montague CA

  • Today

    Today: Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. North northwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. North northwest wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Frost
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Light and variable wind.
Tonight
Clear, with a low around 59. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 94. Light and variable wind.
Thursday Night
Clear, with a low around 48. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 33.
Columbus Day
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Montague CA
 41.9°N 122.49°W (Elev. 2198 ft)
Last Update:
4:41 am PDT Oct 7, 2026
Forecast Valid:
4am PDT Oct 7, 2026-6pm PDT Oct 13, 2026
 
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