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 30.22 in (1023.37 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Mar 04:35 AM PDT
Extended Forecast for

4 Miles NE Montague CA

  • Today

    Today: Mostly sunny, with a high near 79. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North wind 5 to 9 mph becoming calm  in the evening.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Light north wind increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. North wind 13 to 18 mph becoming light  after midnight. Winds could gust as high as 28 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Light north wind.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

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

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 45. North wind 5 to 9 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 67. Light north wind increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 29. North wind 13 to 18 mph becoming light after midnight. Winds could gust as high as 28 mph.
Sunday
Mostly sunny, with a high near 68. Light north wind.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Montague CA
 41.77°N 122.48°W (Elev. 2612 ft)
4:41 am PDT Mar 20, 2026
4am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database