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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

54°F

12°C

Humidity 50%
Wind Speed S 12 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 12 Apr 01:35 PM PDT
Extended Forecast for

Yreka CA

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Snow level 5100 feet. Partly sunny, with a high near 55. South wind around 7 mph.

    High: 55 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of rain between 8pm and 11pm. Snow level 5200 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 36. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm. Snow level 6000 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly after 11am. Snow level 4600 feet rising to 5500 feet in the afternoon. High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm. Snow level 5100 feet lowering to 2700 feet after midnight . Partly cloudy, with a low around 27.

    Low: 27 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Snow level 5100 feet. Partly sunny, with a high near 55. South wind around 7 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of rain between 8pm and 11pm. Snow level 5200 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 36. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 57. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
A 20 percent chance of rain after 11pm. Snow level 6000 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 39.
Wednesday
Rain, mainly after 11am. Snow level 4600 feet rising to 5500 feet in the afternoon. High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 11pm. Snow level 5100 feet lowering to 2700 feet after midnight . Partly cloudy, with a low around 27.
Thursday
Sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
Last Update:
1:01 pm PDT Apr 12, 2026
Forecast Valid:
1pm PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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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