Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

80°F

27°C

Humidity 23%
Wind Speed SSW 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 Jul 11:53 AM PDT
Extended Forecast for

4 Miles NNW Yreka CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. West northwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. West northwest wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 22 mph.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56. Northwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Light north northwest wind.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. West northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 55. West northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 85. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Clear, with a low around 56. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 85. Light north northwest wind.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 91.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Yreka CA
 41.78°N 122.66°W (Elev. 3061 ft)
11:26 am PDT Jul 26, 2026
12pm PDT Jul 26, 2026-6pm PDT Aug 1, 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