Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

28°F

-2°C

Humidity 79%
Wind Speed E 4 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 18 Feb 12:20 AM PST
Extended Forecast for

Montague CA

Winter Weather Advisory February 18, 12:33am until February 19, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 12:33am until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after 3pm.  Partly sunny, with a high near 38. Calm wind becoming south southwest 5 to 8 mph in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 38 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly after 10pm.  Low around 22. South wind 5 to 7 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow

  • Thursday

    Thursday: Snow, mainly before 10am.  High near 38. Calm wind becoming west northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow then
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. Light and variable wind.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 10pm.  Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm.  Partly sunny, with a high near 44. Breezy.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 16. Calm wind.
Wednesday
A 30 percent chance of snow, mainly after 3pm. Partly sunny, with a high near 38. Calm wind becoming south southwest 5 to 8 mph in the afternoon. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, mainly after 10pm. Low around 22. South wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow, mainly before 10am. High near 38. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Partly cloudy, with a low around 16. Light and variable wind.
Friday
Mostly sunny, with a high near 40.
Friday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 21.
Saturday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 44. Breezy.
Saturday Night
A chance of rain before 7pm, then rain likely, possibly mixed with snow. Snow level 3300 feet. Mostly cloudy, with a low around 30.
Sunday
Rain. Snow level 3900 feet. Cloudy, with a high near 46. Breezy.
Sunday Night
Rain, possibly mixed with snow. Snow level 4100 feet. Cloudy, with a low around 32.
Monday
Rain, possibly mixed with snow. Snow level 3900 feet. Cloudy, with a high near 47.
Monday Night
Rain and snow. Snow level 3700 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 30.
Tuesday
Rain and snow likely. Snow level 3000 feet rising to 3600 feet in the afternoon. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
9:41 pm PST Feb 17, 2026
12am PST Feb 18, 2026-6pm PST Feb 24, 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