Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

72°F

22°C

Humidity 31%
Wind Speed W 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 24 Aug 10:53 AM PDT
Extended Forecast for

9 Miles ESE Montague CA

Red Flag Warning until August 24, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 24, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Today

    High: 93 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind 13 to 18 mph becoming east 5 to 10 mph in the evening. Winds could gust as high as 29 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 92. Light and variable wind becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 92 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. South wind 11 to 16 mph becoming light and variable  in the evening. Winds could gust as high as 25 mph.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

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

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 93. Breezy, with a light west southwest wind becoming south 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Mostly clear, with a low around 59. South wind 13 to 18 mph becoming east 5 to 10 mph in the evening. Winds could gust as high as 29 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 92. Light and variable wind becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 57. South wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Montague CA
 41.65°N 122.36°W (Elev. 2799 ft)
10:40 am PDT Aug 24, 2026
11am PDT Aug 24, 2026-6pm PDT Aug 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database