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.

light snow

37°F

3°C

Humidity 64%
Wind Speed W 9 MPH
Barometer 29.47 in (997.97 mb)
Dewpoint 26°F (-3°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 17 Feb 04:00 PM PST
Extended Forecast for

Yreka CA

Winter Weather Advisory February 17, 04:16pm until February 19, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 17, 04:16pm until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Weather Advisory

  • This Afternoon

    High: 35 °F

    Chance Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after 2pm. Partly sunny, with a high near 38. Calm wind becoming south southwest around 6 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 24. South southwest wind 3 to 5 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow

  • Thursday

    Thursday: Snow, mainly before 10am. High near 38. Calm wind becoming northwest around 6 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: A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 10pm. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Partly sunny, with a steady temperature around 35. West southwest wind around 6 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Partly cloudy, with a low around 18. Calm wind.
Wednesday
A 30 percent chance of snow, mainly after 2pm. Partly sunny, with a high near 38. Calm wind becoming south 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 24. South southwest wind 3 to 5 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 northwest around 6 mph in the afternoon. 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 18.
Friday
Mostly sunny, with a high near 40.
Friday Night
A slight chance of snow 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. Partly sunny, with a high near 43.
Saturday Night
A chance of rain before 7pm, then rain likely, possibly mixed with snow. Snow level 3200 feet. Mostly cloudy, with a low around 32.
Sunday
Rain. Snow level 3800 feet. Cloudy, with a high near 46.
Sunday Night
Rain, possibly mixed with snow. Snow level 4000 feet. Cloudy, with a low around 33.
Monday
Rain, possibly mixed with snow. Snow level 3800 feet. Cloudy, with a high near 47.
Monday Night
Rain, possibly mixed with snow. Snow level 3700 feet lowering to 3100 feet after midnight . Cloudy, with a low around 31.
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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.72°N 122.65°W (Elev. 2762 ft)
Last Update:
3:41 pm PST Feb 17, 2026
Forecast Valid:
4pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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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