Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

60°F

16°C

Humidity 57%
Wind Speed ENE 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 29 Jul 04:53 AM PDT
Extended Forecast for

Etna CA

  • Today

    Today: Sunny, with a high near 92. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. West southwest wind 10 to 15 mph becoming light  in the evening. Winds could gust as high as 22 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Calm wind becoming north northeast around 5 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. West southwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Light and variable wind.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 92. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Clear, with a low around 55. West southwest wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 93. Calm wind becoming north northeast around 5 mph.
Thursday Night
Clear, with a low around 59. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny and hot, with a high near 96. Light and variable wind.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 91.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 95.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Etna CA
 41.46°N 122.9°W (Elev. 3061 ft)
4:40 am PDT Jul 29, 2026
5am PDT Jul 29, 2026-6pm PDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database