Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

39°F

4°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 30 Dec 11:53 AM PST
Extended Forecast for

12 Miles W Macdoel CA

  • This Afternoon

    This Afternoon: Sunny, with a temperature falling to around 40 by 5pm. South southwest wind around 6 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 36. South southeast wind around 10 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of rain and snow showers after 4pm.  Snow level rising to 7000 feet in the afternoon. Partly sunny, with a high near 45. South wind 5 to 9 mph becoming light south southwest  in the afternoon.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 45 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 10pm, then rain showers likely.  Snow level 7000 feet rising to 7900 feet after midnight. Mostly cloudy, with a low around 35. South wind around 9 mph becoming east southeast in the evening.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely then
    Showers
    Likely

  • New Year's Day

    New Year's Day: Rain.  Snow level 7800 feet. High near 38. East wind 7 to 9 mph becoming south southwest in the afternoon.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 10pm, then a chance of rain and snow.  Snow level 7500 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Friday

    Friday: Rain and snow likely before 1pm, then snow.  Snow level 6800 feet. High near 38. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Rain/Snow

  • Friday Night

    Friday Night: Snow.  Mostly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Snow Likely

Detailed Forecast

This Afternoon
Sunny, with a temperature falling to around 40 by 5pm. South southwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 36. South southeast wind around 10 mph.
Wednesday
A chance of rain and snow showers after 4pm. Snow level rising to 7000 feet in the afternoon. Partly sunny, with a high near 45. South wind 5 to 9 mph becoming light south southwest in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow showers before 10pm, then rain showers likely. Snow level 7000 feet rising to 7900 feet after midnight. Mostly cloudy, with a low around 35. South wind around 9 mph becoming east southeast in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
New Year's Day
Rain. Snow level 7800 feet. High near 38. East wind 7 to 9 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 10pm, then a chance of rain and snow. Snow level 7500 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain and snow likely before 1pm, then snow. Snow level 6800 feet. High near 38. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
Snow. Mostly cloudy, with a low around 29. Breezy.
Saturday
Snow likely. Mostly cloudy, with a high near 31.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28.
Sunday
A chance of snow. Mostly cloudy, with a high near 30.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27.
Monday
A chance of snow. Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Macdoel CA
 41.82°N 122.26°W (Elev. 6772 ft)
11:51 am PST Dec 30, 2025
12pm PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

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