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

39°F

4°C

Humidity 64%
Wind Speed ENE 4 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 22 Mar 02:00 AM PDT
Extended Forecast for

7 Miles NNE Yreka CA

  • Overnight

    Overnight: Widespread frost. Otherwise, partly cloudy, with a low around 33. North wind around 5 mph.

    Low: 33 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 11am. Otherwise, mostly sunny, with a high near 71. North wind around 6 mph becoming calm in the afternoon.

    High: 71 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost after 5am. Otherwise, partly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. West wind 5 to 7 mph becoming light and variable in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Mostly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Rain

  • Tuesday Night

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

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread frost. Otherwise, partly cloudy, with a low around 33. North wind around 5 mph.
Sunday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 71. North wind around 6 mph becoming calm in the afternoon.
Sunday Night
Widespread frost after 5am. Otherwise, partly cloudy, with a low around 38. Light and variable wind.
Monday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 74. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 43. West wind 5 to 7 mph becoming light and variable in the evening.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Yreka CA
 41.84°N 122.59°W (Elev. 2697 ft)
Last Update:
1:41 am PDT Mar 22, 2026
Forecast Valid:
2am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

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Chance of Precipitation