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

52°F

11°C

Humidity 71%
Wind Speed NA NA MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 09 Sep 01:05 AM PDT
Extended Forecast for

12 Miles NNE Yreka CA

  • Overnight

    Overnight: Mostly clear, with a low around 54. North northwest wind 3 to 5 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light and variable wind.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. Northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. North northwest wind 5 to 15 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of rain after 11am.  Mostly sunny, with a high near 67.

    High: 67 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm.  Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 54. North northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 95. Light and variable wind.
Wednesday Night
Clear, with a low around 58. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 92. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. North northwest wind 5 to 15 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 47.
Saturday
A chance of rain after 11am. Mostly sunny, with a high near 67.
Saturday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 43.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Yreka CA
 41.91°N 122.55°W (Elev. 2198 ft)
11:46 pm PDT Sep 8, 2026
1am 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