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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

light rain,mist

38°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 38°F (3°C)
Visibility 3.00 mi
Last update 01 Jan 07:05 AM PST
Extended Forecast for

Yreka CA

High Wind Watch January 2, 10:00am until January 3, 10:00pm
Click here for hazard details and duration
High Wind Watch

  • New Year's Day

    New Year's Day: Rain. High near 50. North northeast wind around 5 mph becoming calm. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 40. Light east wind. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 52. Light and variable wind becoming south southeast 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain, mainly after 10pm. Low around 40. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: Rain. Snow level 5600 feet. High near 50. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Snow level 5500 feet. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 5200 feet. High near 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Snow level 4800 feet. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

  • Monday

    Monday: A chance of rain. Snow level 4500 feet. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

Detailed Forecast

New Year's Day
Rain. High near 50. North northeast wind around 5 mph becoming calm. Chance of precipitation is 80%.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 40. Light east wind. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 52. Light and variable wind becoming south southeast 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Rain, mainly after 10pm. Low around 40. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. Snow level 5600 feet. High near 50. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Snow level 5500 feet. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. Snow level 5200 feet. High near 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Snow level 4800 feet. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Snow level 4500 feet. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain, mainly before 10pm. Snow level 4400 feet. Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 45.
Tuesday Night
A slight chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a low around 29.
Wednesday
A chance of rain and snow. Snow level 4200 feet. Partly sunny, with a high near 45.
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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:
4:41 am PST Jan 1, 2026
Forecast Valid:
7am PST Jan 1, 2026-6pm PST Jan 7, 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