Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

46°F

8°C

Humidity 75%
Wind Speed NNE 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 May 05:35 AM PDT
Extended Forecast for

11 Miles SE Montague CA

  • Today

    Today: Sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. South wind 10 to 15 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Breezy, with a light and variable wind becoming south 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 89 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Partly cloudy, with a low around 49. Breezy, with a south wind 17 to 22 mph becoming east southeast 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

    Low: 49 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Partly sunny, with a high near 73. Southeast wind 6 to 10 mph becoming west southwest in the morning.

    High: 73 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 11pm.  Partly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 55. South wind 10 to 15 mph becoming light and variable. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 89. Breezy, with a light and variable wind becoming south 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 49. Breezy, with a south wind 17 to 22 mph becoming east southeast 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 73. Southeast wind 6 to 10 mph becoming west southwest in the morning.
Wednesday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 78.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 40. Breezy.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 39. Breezy.
Sunday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Montague CA
 41.63°N 122.38°W (Elev. 2799 ft)
4:40 am PDT May 11, 2026
5am PDT May 11, 2026-6pm PDT May 17, 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