Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

73°F

23°C

Humidity 27%
Wind Speed S 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Aug 10:00 PM PDT
Extended Forecast for

5 Miles SSE Yreka CA

  • Tonight

    Tonight: Mostly clear, with a low around 60. North wind around 6 mph becoming calm  after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. Northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 90. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. West northwest wind 9 to 14 mph becoming light north northwest  in the evening. Winds could gust as high as 21 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. North wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 60. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 90. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. West northwest wind 9 to 14 mph becoming light north northwest in the evening. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 90.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 87.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Yreka CA
 41.66°N 122.6°W (Elev. 2930 ft)
9:16 pm PDT Aug 25, 2026
10pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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