Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

37°F

3°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 May 05:00 AM PDT
Extended Forecast for

12 Miles NNE Yreka CA

  • Today

    Today: Sunny, with a high near 77. Light and variable wind becoming north 6 to 11 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 44. North northwest wind 11 to 16 mph becoming light north  after midnight. Winds could gust as high as 23 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light north wind increasing to 6 to 11 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North northwest wind 10 to 15 mph becoming light north  after midnight. Winds could gust as high as 23 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

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

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Light and variable wind becoming north 6 to 11 mph in the afternoon.
Tonight
Increasing clouds, with a low around 44. North northwest wind 11 to 16 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 80. Light north wind increasing to 6 to 11 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. North northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Thursday
Sunny, with a high near 85. Light north wind.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 50.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 48.
Memorial Day
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)
4:40 am PDT May 19, 2026
5am PDT May 19, 2026-6pm PDT May 25, 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