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

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

84°F

29°C

Humidity 26%
Wind Speed SW 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Sep 05:05 PM PDT
Extended Forecast for

Yreka CA

  • Tonight

    Tonight: Partly cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 81. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.

    High: 81 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49. Northwest wind 6 to 11 mph becoming light north in the evening.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 84. Light north northeast wind.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 81. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.
Sunday Night
Clear, with a low around 49. Northwest wind 6 to 11 mph becoming light north in the evening.
Monday
Sunny, with a high near 84. Light north northeast wind.
Monday Night
Clear, with a low around 52. Calm wind becoming east northeast around 6 mph after midnight.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
Last Update:
4:41 pm PDT Sep 20, 2025
Forecast Valid:
5pm PDT Sep 20, 2025-6pm PDT Sep 27, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation