Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

26°C

79°F

Humidity 27%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 6°C (43°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 03 Jul 11:53 AM PDT
Extended Forecast for

Etna CA

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms after 2pm.  Snow level 3100 meters rising to 3400 meters. Mostly sunny, with a high near 30. North northeast wind 8 to 13 km/h becoming west.  Chance of precipitation is 30%.

    High: 30 °C

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then isolated showers.  Snow level 3400 meters lowering to 3100 meters after midnight . Partly cloudy, with a low around 12. West wind 11 to 16 km/h decreasing to 5 to 10 km/h in the evening.  Chance of precipitation is 40%.

    Low: 12 °C

    Scattered
    Showers

  • Independence Day

    Independence Day: Mostly sunny, with a high near 26. Light and variable wind becoming west 8 to 13 km/h in the afternoon.

    High: 26 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 10. West wind 11 to 16 km/h becoming northeast 5 to 10 km/h in the evening.

    Low: 10 °C

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 29. Calm wind becoming north 5 to 10 km/h in the afternoon.

    High: 29 °C

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12.

    Low: 12 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 33.

    High: 33 °C

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 14.

    Low: 14 °C

    Clear

  • Monday

    Monday: Sunny, with a high near 34.

    High: 34 °C

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms after 2pm. Snow level 3100 meters rising to 3400 meters. Mostly sunny, with a high near 30. North northeast wind 8 to 13 km/h becoming west. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms before 11pm, then isolated showers. Snow level 3400 meters lowering to 3100 meters after midnight . Partly cloudy, with a low around 12. West wind 11 to 16 km/h decreasing to 5 to 10 km/h in the evening. Chance of precipitation is 40%.
Independence Day
Mostly sunny, with a high near 26. Light and variable wind becoming west 8 to 13 km/h in the afternoon.
Friday Night
Mostly clear, with a low around 10. West wind 11 to 16 km/h becoming northeast 5 to 10 km/h in the evening.
Saturday
Sunny, with a high near 29. Calm wind becoming north 5 to 10 km/h in the afternoon.
Saturday Night
Mostly clear, with a low around 12.
Sunday
Sunny, with a high near 33.
Sunday Night
Clear, with a low around 14.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Clear, with a low around 15.
Wednesday
Sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Etna CA
 41.46°N 122.9°W (Elev. 3061 m)
12:10 pm PDT Jul 3, 2025
12pm PDT Jul 3, 2025-6pm PDT Jul 9, 2025
 
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Additional Resources

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