National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

32°F

0°C

Humidity 86%
Wind Speed SE 19 MPH
Barometer 29.42 in (996.28 mb)
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Wind Chill20°F (-7°C)
Last update 17 Feb 05:00 AM PST
Extended Forecast for

Montague CA

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

    NOW until 10:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 27 °F

    Snow

  • Tuesday

    Tuesday: Snow, mainly before 4pm. High near 39. South southeast wind 5 to 11 mph becoming west in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 7pm, then a slight chance of snow after 2am. Mostly cloudy, with a low around 17. Light and variable wind. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly after 10am. Partly sunny, with a high near 38. Calm wind becoming southwest around 6 mph in the afternoon. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly after 10pm. Low around 23. East wind 3 to 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow

  • Thursday

    Thursday: Snow, mainly before 10am. High near 38. 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: A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 14.

    Low: 14 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A slight chance of snow after 4pm. Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Snow. Steady temperature around 27. South southeast wind around 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow, mainly before 4pm. High near 39. South southeast wind 5 to 11 mph becoming west in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
A slight chance of snow before 7pm, then a slight chance of snow after 2am. Mostly cloudy, with a low around 17. Light and variable wind. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of snow, mainly after 10am. Partly sunny, with a high near 38. Calm wind becoming southwest around 6 mph in the afternoon. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, mainly after 10pm. Low around 23. East wind 3 to 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
Snow, mainly before 10am. High near 38. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 14.
Friday
A slight chance of snow after 4pm. Partly sunny, with a high near 38.
Friday Night
A chance of snow, mainly after 10pm. Mostly cloudy, with a low around 23.
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. Mostly cloudy, with a high near 45.
Saturday Night
Rain and snow likely. Snow level 3300 feet. Mostly cloudy, with a low around 30.
Sunday
Rain. Snow level 3600 feet rising to 4300 feet in the afternoon. Cloudy, with a high near 48. Breezy.
Sunday Night
Rain, possibly mixed with snow. Snow level 4300 feet. Cloudy, with a low around 30.
Monday
Rain, possibly mixed with snow. Snow level 4200 feet. Cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
Last Update:
4:32 am PST Feb 17, 2026
Forecast Valid:
5am PST Feb 17, 2026-6pm PST Feb 23, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation