Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

73°F

23°C

Humidity 27%
Wind Speed S 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Aug 10:00 PM PDT
Extended Forecast for

8 Miles NE Montague CA

  • Tonight

    Tonight: Partly cloudy, with a low around 58. North northwest wind around 6 mph becoming calm  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58. North northwest wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 18 mph.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 90. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 90 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West northwest wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. North northwest wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 90. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 58. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 90. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. West northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 86.
Saturday Night
Clear, with a low around 53.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NE Montague CA
 41.8°N 122.4°W (Elev. 2822 ft)
9:16 pm PDT Aug 25, 2026
10pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database