Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

54°F

12°C

Humidity 58%
Wind Speed NNE 11 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 01 Jul 12:20 AM PDT
Extended Forecast for

8 Miles SSW Yreka CA

  • Overnight

    Overnight: Mostly clear, with a low around 40. East northeast wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Light northeast wind becoming north northeast 5 to 9 mph in the morning.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. North northeast wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 75 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. North northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Independence Day

    Independence Day: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

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

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 40. East northeast wind around 6 mph.
Wednesday
Sunny, with a high near 69. Light northeast wind becoming north northeast 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 43. North northeast wind 6 to 11 mph becoming light and variable after midnight.
Thursday
Increasing clouds, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 78.
Friday Night
Clear, with a low around 52.
Independence Day
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Yreka CA
 41.63°N 122.68°W (Elev. 5039 ft)
12:11 am PDT Jul 1, 2026
12am PDT Jul 1, 2026-6pm PDT Jul 7, 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