Nor'Easter Continues to Bring Heavy Rain and Coastal Impacts; Nolo Continues to Impact Hawaii

The nor’easter will weaken tonight, easing beach conditions and coastal flooding, though locally heavy rain will continue in parts of the Mid-Atlantic and New England into Monday. Hurricane Nolo continues to bring strong winds and large waves to Hawaii. A multi-day rain event will return to the Four Corners region Monday and expand to the south-central U.S. by midweek. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Mostly Cloudy

70°F

21°C

Humidity 24%
Wind Speed N 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 27 Sep 06:00 PM PDT
Extended Forecast for

Etna CA

  • Tonight

    Tonight: Scattered showers and thunderstorms before 8pm.  Mostly cloudy, then gradually becoming clear, with a low around 42. Northwest wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 30%.

    Low: 42 °F

    Scattered
    Showers then
    Clear

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. North wind 5 to 8 mph becoming calm  after midnight.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46. North wind 5 to 9 mph becoming calm  in the evening.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 42. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. North wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 46. North wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Clear, with a low around 50.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Etna CA
 41.46°N 122.9°W (Elev. 3061 ft)
4:40 pm PDT Sep 27, 2026
6pm PDT Sep 27, 2026-6pm PDT Oct 4, 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