Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. 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 69%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Mar 07:35 AM PDT
Extended Forecast for

4 Miles N Yreka CA

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. West northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. Calm wind.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. North northwest wind 5 to 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64. North northwest wind 3 to 8 mph.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 47. West northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 77. Calm wind.
Friday Night
Partly cloudy, with a low around 47. North northwest wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 64. North northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 73.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Yreka CA
 41.81°N 122.64°W (Elev. 3379 ft)
7:01 am PDT Mar 19, 2026
7am PDT Mar 19, 2026-6pm PDT Mar 25, 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