Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

66°F

19°C

Humidity 45%
Wind Speed NE 3 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 Jul 08:53 AM PDT
Extended Forecast for

Etna CA

  • Today

    Today: Sunny, with a high near 89. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. Southwest wind 9 to 14 mph becoming light west  after midnight. Winds could gust as high as 23 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 54. West northwest wind 6 to 11 mph becoming light  after midnight.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.
Tonight
Clear, with a low around 53. Southwest wind 9 to 14 mph becoming light west after midnight. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday Night
Clear, with a low around 54. West northwest wind 6 to 11 mph becoming light after midnight.
Tuesday
Sunny, with a high near 89. Calm wind becoming north northwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 95.
Thursday Night
Clear, with a low around 59.
Friday
Sunny and hot, with a high near 97.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 95.
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 am PDT Jul 26, 2026
9am PDT Jul 26, 2026-6pm PDT Aug 1, 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