Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

90°F

32°C

Humidity 18%
Wind Speed W 10 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 27 Aug 05:15 PM PDT
Extended Forecast for

16 Miles NNE Montague CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. North northwest wind 6 to 11 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. North northwest wind 9 to 14 mph becoming light north  in the evening. Winds could gust as high as 22 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48. North northwest wind 11 to 16 mph becoming light north northeast  after midnight. Winds could gust as high as 25 mph.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. North northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 89. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 52. North northwest wind 9 to 14 mph becoming light north in the evening. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 83. Light and variable wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 48. North northwest wind 11 to 16 mph becoming light north northeast after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 82.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Montague CA
 41.93°N 122.44°W (Elev. 2198 ft)
4:40 pm PDT Aug 27, 2026
5pm PDT Aug 27, 2026-6pm PDT Sep 3, 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