October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. 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 47%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 05 Oct 11:55 PM PDT
Extended Forecast for

10 Miles NNE Montague CA

  • Overnight

    Overnight: Clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 51. Calm wind.
Tuesday
Sunny, with a high near 91. Calm wind.
Tuesday Night
Clear, with a low around 58. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Calm wind.
Wednesday Night
Clear, with a low around 56. Light and variable wind.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 52.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 34.
Columbus Day
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Montague CA
 41.86°N 122.45°W (Elev. 2598 ft)
11:26 pm PDT Oct 5, 2026
12am PDT Oct 6, 2026-6pm PDT Oct 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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