Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

63°F

17°C

Humidity 55%
Wind Speed NE 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 04 Jul 07:00 AM PDT
Extended Forecast for

5 Miles NNW Montague CA

  • Independence Day

    Independence Day: Sunny, with a high near 88. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. North wind 11 to 16 mph becoming light north northeast  after midnight. Winds could gust as high as 25 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 87. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around 61. North northwest wind 8 to 13 mph becoming light north northeast  after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Gradual
    Clearing

  • Monday

    Monday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm.  Mostly clear, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Independence Day
Sunny, with a high near 88. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 58. North wind 11 to 16 mph becoming light north northeast after midnight. Winds could gust as high as 25 mph.
Sunday
Increasing clouds, with a high near 87. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around 61. North northwest wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph.
Monday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly clear, with a low around 59. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 55.
Friday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Montague CA
 41.8°N 122.55°W (Elev. 4199 ft)
4:41 am PDT Jul 4, 2026
7am PDT Jul 4, 2026-6pm PDT Jul 10, 2026
 
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