Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

46°F

8°C

Humidity 75%
Wind Speed NA NA MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 09 Sep 06:20 AM PDT
Extended Forecast for

10 Miles NNW Yreka CA

  • Today

    Today: Sunny and hot, with a high near 98. Light and variable wind.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 58. North northwest wind around 5 mph becoming calm  after midnight.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Northwest wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of rain, mainly after 11am.  Mostly sunny, with a high near 69.

    High: 69 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 98. Light and variable wind.
Tonight
Clear, with a low around 58. North northwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny and hot, with a high near 96. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. Northwest wind 6 to 11 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45.
Saturday
A 40 percent chance of rain, mainly after 11am. Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Yreka CA
 41.86°N 122.72°W (Elev. 1998 ft)
4:40 am PDT Sep 9, 2026
6am PDT Sep 9, 2026-6pm PDT Sep 15, 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