Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

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. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. 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 NA NA MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 27 Aug 10:15 AM PDT
Extended Forecast for

Yreka CA

  • Today

    Today: Sunny, with a high near 90. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Northwest wind 5 to 10 mph becoming light west northwest  after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 88. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon.
Tonight
Increasing clouds, with a low around 56. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Friday
Partly sunny, with a high near 88. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. North northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 48.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
4:40 am PDT Aug 27, 2026
10am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database