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

59°F

15°C

Humidity 55%
Wind Speed NA NA MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 08 Sep 09:53 PM PDT
Extended Forecast for

10 Miles NNW Yreka CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light northeast wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

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

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: 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.

    High: 88 °F

    Sunny

  • Friday Night

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

    Low: 45 °F

    Mostly Clear

  • Saturday

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

    High: 69 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Light northeast wind.
Wednesday
Sunny and hot, with a high near 98. Light and variable wind.
Wednesday Night
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.
Friday Night
Mostly clear, with a low around 45.
Saturday
A chance of rain, mainly after 11am. Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 73.
Sunday Night
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)
8:46 pm PDT Sep 8, 2026
10pm PDT Sep 8, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database