National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

84°F

29°C

Humidity 32%
Wind Speed N 11 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 12 Jul 09:05 PM PDT
Extended Forecast for

11 Miles SE Montague CA

Extreme Heat Warning July 12, 09:30pm until July 14, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 12, 09:30pm until July 14, 08:00pm

    NOW until 8:00pm Mon

    Extreme Heat Warning

  • Tonight

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. North wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 26 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 63. North northwest wind 11 to 16 mph becoming light north northeast after midnight. Winds could gust as high as 26 mph.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 66. North northwest wind 5 to 9 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny and hot, with a high near 103. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 66. North wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 26 mph.
Monday
Sunny and hot, with a high near 100. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 63. North northwest wind 11 to 16 mph becoming light north northeast after midnight. Winds could gust as high as 26 mph.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Montague CA
 41.63°N 122.38°W (Elev. 2799 ft)
Last Update:
4:41 pm PDT Jul 12, 2025
Forecast Valid:
9pm PDT Jul 12, 2025-6pm PDT Jul 19, 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