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

88°F

31°C

Humidity 22%
Wind Speed NNW 12 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Aug 06:35 PM PDT
Extended Forecast for

12 Miles WSW Macdoel CA

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind around 6 mph becoming calm  after midnight.

    Low: 59 °F

    Mostly Clear

  • Tuesday

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

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Northwest wind 5 to 7 mph becoming calm.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly 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 59. West wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 61. Northwest wind 5 to 7 mph becoming calm.
Wednesday
Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 74.
Saturday Night
Clear, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Macdoel CA
 41.78°N 122.25°W (Elev. 5128 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

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database