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

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. 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 20%
Wind Speed NE 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 04 Oct 02:55 PM PDT
Extended Forecast for

Etna CA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Calm wind becoming south southwest around 6 mph.

    Low: 57 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. North wind around 6 mph becoming light and variable in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56. North wind around 5 mph becoming calm in the evening.

    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 55.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Calm wind becoming south southwest around 6 mph.
Monday
Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. North wind around 6 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 91. Light and variable wind.
Tuesday Night
Clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 69.
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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:
12:46 pm PDT Oct 4, 2026
Forecast Valid:
3pm PDT Oct 4, 2026-6pm PDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation