Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

59°F

15°C

Humidity 40%
Wind Speed NW 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 23 Mar 10:53 PM PDT
Extended Forecast for

Montague CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 28 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. West southwest wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Light north northwest wind becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. North wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Light and variable wind.
Tuesday
Sunny, with a high near 75. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 44. West southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Wednesday
Partly sunny, with a high near 66. Light north northwest wind becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 29. North wind 6 to 15 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 40.
Monday
A slight chance of rain. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
10:41 pm PDT Mar 23, 2026
11pm PDT Mar 23, 2026-6pm PDT Mar 30, 2026
 
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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