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

Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

95°F

35°C

Humidity 21%
Wind Speed N 13 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 12 Jul 07:20 PM PDT
Extended Forecast for

4 Miles NE Montague CA

Extreme Heat Warning July 12, 07:37pm until July 14, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 12, 07:37pm until July 14, 08:00pm

    NOW until 8:00pm Mon

    Extreme Heat Warning

  • Tonight

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Calm wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. North wind 6 to 16 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 60. North northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 60 °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 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 63. North wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny and hot, with a high near 103. Calm wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 64. North wind 6 to 16 mph, with gusts as high as 30 mph.
Monday
Sunny and hot, with a high near 101. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 60. North northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Montague CA
 41.77°N 122.48°W (Elev. 2612 ft)
Last Update:
4:41 pm PDT Jul 12, 2025
Forecast Valid:
7pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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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