Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

29°F

-2°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 20 Feb 02:53 AM PST
Extended Forecast for

Montague CA

Cold Weather Advisory until February 20, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 20, 09:00am

    NOW until 9:00am Fri

    Cold Weather Advisory

  • Overnight

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39. Light southwest wind becoming south 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of snow between 10pm and 1am.  Mostly cloudy, with a low around 24. Breezy, with a south wind 17 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday

    Saturday: Mostly cloudy, with a high near 43. Windy, with a south wind 22 to 27 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 43 °F

    Mostly Cloudy
    and Windy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 10pm.  Snow level 3500 feet rising to 4100 feet after midnight. Mostly cloudy, with a low around 32. Windy, with a south southeast wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 32 °F

    Chance Rain
    and Windy

  • Sunday

    Sunday: Rain.  Snow level 4300 feet rising to 5200 feet in the afternoon. High near 48. Windy.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain.  Low around 37. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: Rain likely.  Cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 16. Calm wind.
Friday
Partly sunny, with a high near 39. Light southwest wind becoming south 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 24. Breezy, with a south wind 17 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 43. Windy, with a south wind 22 to 27 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 50 mph.
Saturday Night
A 50 percent chance of rain after 10pm. Snow level 3500 feet rising to 4100 feet after midnight. Mostly cloudy, with a low around 32. Windy, with a south southeast wind 25 to 30 mph, with gusts as high as 45 mph.
Sunday
Rain. Snow level 4300 feet rising to 5200 feet in the afternoon. High near 48. Windy. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 37. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely. Cloudy, with a high near 52.
Monday Night
Rain. Cloudy, with a low around 36.
Tuesday
Rain likely, mainly before 10am. Snow level 5500 feet. Cloudy, with a high near 49.
Tuesday Night
A chance of rain. Snow level 5100 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 31.
Wednesday
A chance of rain and snow. Snow level 3700 feet rising to 4400 feet in the afternoon. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain and snow. Snow level 4300 feet. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow. Snow level 3900 feet rising to 4800 feet in the afternoon. Partly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
2:27 am PST Feb 20, 2026
3am PST Feb 20, 2026-6pm PST Feb 26, 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