National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

82°F

28°C

Humidity 26%
Wind Speed N 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 Sep 02:15 PM PDT
Extended Forecast for

Etna CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. North wind 6 to 9 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. North wind around 6 mph becoming calm after midnight.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. North wind 5 to 7 mph becoming light and variable in the evening.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. North wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 47. North wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. North wind 5 to 7 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Thursday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 46.
Friday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Etna CA
 41.46°N 122.9°W (Elev. 3061 ft)
Last Update:
12:26 pm PDT Sep 22, 2026
Forecast Valid:
2pm PDT Sep 22, 2026-6pm PDT Sep 28, 2026
 
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Additional Resources

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Chance of Precipitation