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

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

93°F

34°C

Humidity 20%
Wind Speed WSW 5 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 10 Jul 03:35 PM PDT
Extended Forecast for

12 Miles NE Montague CA

  • Tonight

    Tonight: Clear, with a low around 56. North northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 23 mph.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. West wind 6 to 11 mph becoming light and variable after midnight.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 56. North northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 60. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 88. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 61. West wind 6 to 11 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Montague CA
 41.85°N 122.38°W (Elev. 3599 ft)
Last Update:
2:01 pm PDT Jul 10, 2026
Forecast Valid:
3pm PDT Jul 10, 2026-6pm PDT Jul 17, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation