Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

77°F

25°C

Humidity 29%
Wind Speed ENE 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Aug 10:20 AM PDT
Extended Forecast for

6 Miles WSW Yreka CA

  • Today

    Today: Patchy smoke between 11am and 4pm. Sunny, with a high near 80. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Patchy Smoke

  • Tonight

    Tonight: Clear, with a low around 56. North northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. North northwest wind 5 to 10 mph becoming light north northeast  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of rain before 11pm.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Patchy smoke between 11am and 4pm. Sunny, with a high near 80. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Clear, with a low around 56. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 78. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. North northwest wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 76.
Friday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Yreka CA
 41.71°N 122.73°W (Elev. 4806 ft)
8:21 am PDT Aug 11, 2026
10am PDT Aug 11, 2026-6pm PDT Aug 17, 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