Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

73°F

23°C

Humidity 27%
Wind Speed N 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 26 Aug 11:15 PM PDT
Extended Forecast for

Etna CA

  • Tonight

    Tonight: Partly cloudy, with a low around 53. West southwest wind around 5 mph becoming calm  after midnight.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 54. West southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 54 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. West southwest wind 6 to 11 mph becoming light west northwest  after midnight.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. West southwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 88. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 54. West southwest wind 5 to 8 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53. West southwest wind 6 to 11 mph becoming light west northwest after midnight.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 48.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 52.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Etna CA
 41.46°N 122.9°W (Elev. 3061 ft)
11:26 pm PDT Aug 26, 2026
11pm PDT Aug 26, 2026-6pm PDT Sep 2, 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