Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

68°F

20°C

Humidity 37%
Wind Speed NE 3 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 09 Sep 10:20 AM PDT
Extended Forecast for

8 Miles E Montague CA

  • Today

    Today: Sunny, with a high near 91. Light west wind.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. Northeast wind 5 to 7 mph becoming calm  after midnight.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. North northwest wind 12 to 17 mph becoming light northeast  after midnight. Winds could gust as high as 26 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain after 11am.  Mostly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Light west wind.
Tonight
Clear, with a low around 58. Northeast wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. North northwest wind 12 to 17 mph becoming light northeast after midnight. Winds could gust as high as 26 mph.
Friday
Sunny, with a high near 83. Calm wind becoming west 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 46.
Saturday
A 30 percent chance of rain after 11am. Mostly sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Montague CA
 41.72°N 122.38°W (Elev. 2799 ft)
4:40 am PDT Sep 9, 2026
10am PDT Sep 9, 2026-6pm PDT Sep 15, 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