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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

41°F

5°C

Humidity 60%
Wind Speed N 0 MPH
Barometer 30.54 in (1034.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 09 Jan 03:20 PM PST
Extended Forecast for

5 Miles S Montague CA

  • Tonight

    Tonight: Patchy fog between midnight and 1am. Patchy dense freezing fog after 1am. Otherwise, partly cloudy, with a low around 24. Light west northwest wind.

    Low: 24 °F

    Partly Cloudy
    then Patchy
    Dense
    Freezing Fog
    and Patchy
    Fog

  • Saturday

    Saturday: Areas of fog between 9am and 11am. Patchy dense freezing fog before 11am. Otherwise, mostly cloudy, with a high near 44. Calm wind.

    High: 44 °F

    Patchy Dense
    Freezing Fog
    and Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Areas of fog after midnight. Otherwise, mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy
    then Areas
    Fog

  • Sunday

    Sunday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Light southeast wind.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between midnight and 1am. Patchy dense freezing fog after 1am. Otherwise, partly cloudy, with a low around 24. Light west northwest wind.
Saturday
Areas of fog between 9am and 11am. Patchy dense freezing fog before 11am. Otherwise, mostly cloudy, with a high near 44. Calm wind.
Saturday Night
Areas of fog after midnight. Otherwise, mostly cloudy, with a low around 27. Calm wind.
Sunday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 49. Calm wind.
Sunday Night
Partly cloudy, with a low around 26. Light southeast wind.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Clear, with a low around 31.
Thursday
Sunny, with a high near 56.
Thursday Night
Clear, with a low around 29.
Friday
Sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Montague CA
 41.65°N 122.54°W (Elev. 2664 ft)
Last Update:
2:21 pm PST Jan 9, 2026
Forecast Valid:
3pm PST Jan 9, 2026-6pm PST Jan 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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