Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

77°F

25°C

Humidity 22%
Wind Speed N 12 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 26 Aug 08:53 PM PDT
Extended Forecast for

Yreka CA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Light northwest wind.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54. West northwest wind 6 to 11 mph becoming light northwest  after midnight.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Light northwest wind.
Thursday
Sunny, with a high near 90. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Clear, with a low around 54. West northwest wind 6 to 11 mph becoming light northwest after midnight.
Saturday
Sunny, with a high near 85.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
4:40 pm PDT Aug 26, 2026
9pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database