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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

50°F

10°C

Humidity 34%
Wind Speed ENE 3 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 10 Mar 01:53 PM PDT
Extended Forecast for

Yreka CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. Northwest wind 6 to 8 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. North northwest wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62. Calm wind becoming west around 5 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. West wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 11am. Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 54. Northwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 32. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 62. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 36. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 67. Calm wind.
Thursday Night
Mostly clear, with a low around 41.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
A slight chance of rain before 11am. Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 76.
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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:
1:41 pm PDT Mar 10, 2026
Forecast Valid:
2pm PDT Mar 10, 2026-6pm PDT Mar 16, 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