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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

28°F

-2°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 22 Mar 06:35 AM PDT
Extended Forecast for

Yreka CA

  • Today

    Today: Widespread frost before 11am. Otherwise, partly sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Frost then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. West wind 5 to 8 mph becoming light and variable in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Widespread frost before 11am. Otherwise, partly sunny, with a high near 69. Light and variable wind.
Tonight
Partly cloudy, with a low around 39. Light and variable wind.
Monday
Mostly sunny, with a high near 72. Calm wind.
Monday Night
Mostly cloudy, with a low around 45. West wind 5 to 8 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 72. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 73.
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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:
4:41 am PDT Mar 22, 2026
Forecast Valid:
6am PDT Mar 22, 2026-6pm PDT Mar 28, 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