Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

91°F

33°C

Humidity 17%
Wind Speed NNW 11 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 06:00 PM PDT
Extended Forecast for

15 Miles SSE Ashland OR

  • Tonight

    Tonight: Mostly clear, with a low around 57. North wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light and variable wind becoming north 6 to 11 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 57. North wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 91 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North northwest wind 8 to 13 mph becoming light north  in the evening. Winds could gust as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. North wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 89. Light and variable wind becoming north 6 to 11 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 57. North wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. North northwest wind 8 to 13 mph becoming light north in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 52.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Ashland OR
 41.98°N 122.57°W (Elev. 3386 ft)
4:40 pm PDT Aug 17, 2026
6pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database