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 80%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Mar 04:20 AM PDT
Extended Forecast for

17 Miles E Happy Camp CA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Light west northwest wind becoming northwest 5 to 10 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. North northwest wind 6 to 11 mph becoming light northeast after midnight.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 70 °F

    Mostly 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

  • Monday Night

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

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Mostly sunny, with a high near 71.

    High: 71 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 66. Light west northwest wind becoming northwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 33. North northwest wind 6 to 11 mph becoming light northeast after midnight.
Sunday
Mostly sunny, with a high near 70. Calm wind becoming northeast around 6 mph in the afternoon.
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 rain after 11am. Mostly sunny, with a high near 71.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles E Happy Camp CA
 41.84°N 123.04°W (Elev. 2005 ft)
Last Update:
3:21 am PDT Mar 20, 2026
Forecast Valid:
4am PDT Mar 20, 2026-6pm PDT Mar 26, 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