Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

42°F

6°C

Humidity 48%
Wind Speed WNW 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 15 Apr 08:53 PM PDT
Extended Forecast for

Montague CA

  • Tonight

    Tonight: Widespread frost after 11pm.  Otherwise, partly cloudy, with a low around 27. North northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 27 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 11am.  Otherwise, sunny, with a high near 52. Light north wind increasing to 6 to 11 mph in the afternoon.

    High: 52 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Widespread frost after 11pm.  Otherwise, clear, with a low around 24. North wind 9 to 14 mph becoming light north northeast  in the evening. Winds could gust as high as 21 mph.

    Low: 24 °F

    Frost

  • Friday

    Friday: Widespread frost before 11am.  Otherwise, sunny, with a high near 63. Calm wind.

    High: 63 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 11am.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 11pm.  Snow level 6400 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Tonight
Widespread frost after 11pm. Otherwise, partly cloudy, with a low around 27. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Widespread frost before 11am. Otherwise, sunny, with a high near 52. Light north wind increasing to 6 to 11 mph in the afternoon.
Thursday Night
Widespread frost after 11pm. Otherwise, clear, with a low around 24. North wind 9 to 14 mph becoming light north northeast in the evening. Winds could gust as high as 21 mph.
Friday
Widespread frost before 11am. Otherwise, sunny, with a high near 63. Calm wind.
Friday Night
Partly cloudy, with a low around 33. Calm wind.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 63.
Sunday Night
A chance of rain, mainly before 11pm. Snow level 6400 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 41.
Monday
A slight chance of rain after 11am. Snow level 5400 feet. Partly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Snow level 5100 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 59.
Tuesday Night
A slight chance of rain. Snow level 6200 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
7:57 pm PDT Apr 15, 2026
9pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
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