National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

93°F

34°C

Humidity 17%
Wind Speed W 10 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 10 Jul 02:53 PM PDT
Extended Forecast for

18 Miles SSW Ashland OR

  • Tonight

    Tonight: Clear, with a low around 54. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 78 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 54. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Saturday
Increasing clouds, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 58. Northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SSW Ashland OR
 41.97°N 122.87°W (Elev. 4432 ft)
Last Update:
2:01 pm PDT Jul 10, 2026
Forecast Valid:
3pm PDT Jul 10, 2026-6pm PDT Jul 17, 2026
 
Forecast Discussion
 
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