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

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

45°F

7°C

Humidity 56%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 03 Dec 03:35 PM PST
Extended Forecast for

Yreka CA

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 38. Light southwest wind. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly between 10am and 4pm. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. Calm wind.
Thursday
Mostly sunny, with a high near 51. Calm wind.
Thursday Night
Mostly cloudy, with a low around 36. Calm wind.
Friday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 54. Calm wind.
Friday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 38. Light southwest wind. Chance of precipitation is 20%.
Saturday
A 30 percent chance of rain, mainly between 10am and 4pm. Mostly cloudy, with a high near 53.
Saturday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Partly sunny, with a high near 57.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A slight chance of rain. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
Last Update:
3:41 pm PST Dec 3, 2025
Forecast Valid:
3pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

Radar & Satellite Image

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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