National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

31°F

-1°C

Humidity 66%
Wind Speed S 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 13 Oct 04:53 AM PDT
Extended Forecast for

10 Miles NNE Montague CA

  • Today

    Today: Widespread frost between 7am and 8am. Otherwise, sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. East northeast wind 3 to 7 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Widespread frost between 7am and 8am. Otherwise, sunny, with a high near 71. Light and variable wind.
Tonight
Mostly clear, with a low around 38. Calm wind.
Wednesday
Sunny, with a high near 78. Calm wind.
Wednesday Night
Clear, with a low around 42. Calm wind becoming east northeast around 5 mph after midnight.
Thursday
Sunny, with a high near 83. East northeast wind 3 to 7 mph.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 78.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Monday
A chance of rain. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Montague CA
 41.86°N 122.45°W (Elev. 2598 ft)
Last Update:
4:46 am PDT Oct 13, 2026
Forecast Valid:
5am PDT Oct 13, 2026-6pm PDT Oct 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation