Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

36°F

2°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 13 Mar 01:35 AM PDT
Extended Forecast for

Etna CA

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Light southwest wind.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. West wind 3 to 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain before 11am.  Mostly sunny, with a high near 60. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 60 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. North wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Light southwest wind.
Friday
Mostly sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 39. West wind 3 to 6 mph.
Saturday
A 40 percent chance of rain before 11am. Mostly sunny, with a high near 60. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 36. North wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Etna CA
 41.46°N 122.9°W (Elev. 3061 ft)
1:41 am PDT Mar 13, 2026
1am PDT Mar 13, 2026-6pm PDT Mar 19, 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