Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

19°F

-7°C

Humidity 79%
Wind Speed ENE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 25 Jan 01:30 AM PST
Extended Forecast for

16 Miles NNE Weed CA

  • Overnight

    Overnight: Mostly clear, with a low around 27. East northeast wind around 7 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 46. Northeast wind around 6 mph becoming light and variable  in the afternoon.

    High: 46 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. South southeast wind around 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. South wind 8 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. South southeast wind around 11 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 10pm, mixing with rain after 1am.  Partly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow before 10am.  Snow level rising to 5600 feet in the afternoon. Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 27. East northeast wind around 7 mph.
Sunday
Increasing clouds, with a high near 46. Northeast wind around 6 mph becoming light and variable in the afternoon.
Sunday Night
Mostly cloudy, with a low around 30. South southeast wind around 10 mph.
Monday
Mostly sunny, with a high near 46. South wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 30. South southeast wind around 11 mph.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
A slight chance of snow after 10pm, mixing with rain after 1am. Partly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
A slight chance of rain and snow before 10am. Snow level rising to 5600 feet in the afternoon. Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
12:41 am PST Jan 25, 2026
1am PST Jan 25, 2026-6pm PST Jan 31, 2026
 
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Additional Resources

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