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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. 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 38%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Jul 10:05 AM PDT
Extended Forecast for

Etna CA

  • Today

    Today: Sunny, with a high near 93. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West southwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 92 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 61. West southwest wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am. Sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.

    High: 92 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 11pm. Mostly clear, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 93. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Partly cloudy, with a low around 59. West southwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Monday
Mostly cloudy, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 61. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers after 11am. Sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before 11pm. Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 56.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 94.
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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:
4:40 am PDT Jul 12, 2026
Forecast Valid:
10am PDT Jul 12, 2026-6pm PDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation