Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

66°F

19°C

Humidity 29%
Wind Speed NA NA MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 26 Aug 01:20 AM PDT
Extended Forecast for

13 Miles NE Montague CA

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 89 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. North northwest wind 6 to 11 mph becoming light and variable  in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 89 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northwest wind 10 to 15 mph becoming light and variable  in the evening. Winds could gust as high as 23 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Calm wind.
Wednesday
Increasing clouds, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 56. North northwest wind 6 to 11 mph becoming light and variable in the evening.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54. Northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Montague CA
 41.89°N 122.4°W (Elev. 2671 ft)
11:26 pm PDT Aug 25, 2026
1am PDT Aug 26, 2026-6pm PDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database