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

73°F

23°C

Humidity 18%
Wind Speed NNE 5 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 19 May 01:35 PM PDT
Extended Forecast for

10 Miles NNW Yreka CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Light and variable wind becoming north northwest 5 to 7 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 21 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 83 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. North wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Light and variable wind becoming north northwest 5 to 7 mph.
Tonight
Partly cloudy, with a low around 45. North wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming north 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 46. North wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 90. Light and variable wind.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 91.
Friday Night
Clear, with a low around 51.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 50.
Memorial Day
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Yreka CA
 41.86°N 122.72°W (Elev. 1998 ft)
1:51 pm PDT May 19, 2026
1pm 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