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

41°F

5°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Mar 05:15 AM PDT
Extended Forecast for

11 Miles NNW Yreka CA

  • Today

    Today: Mostly sunny, with a high near 85. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Calm wind becoming west southwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 71. Calm wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 33. Northwest wind 5 to 10 mph becoming light north in the evening.
Sunday
Sunny, with a high near 73. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Yreka CA
 41.86°N 122.75°W (Elev. 2001 ft)
Last Update:
4:41 am PDT Mar 20, 2026
Forecast Valid:
5am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation