Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Rain

39°F

4°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 31 Dec 07:35 PM PST
Extended Forecast for

10 Miles W Macdoel CA

Winter Storm Watch January 2, 10:00pm until January 4, 10:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Tonight

    Tonight: Rain.  Snow level 9400 feet lowering to 8800 feet after midnight . Low around 35. South wind 8 to 13 mph becoming east after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  Snow level 8800 feet lowering to 8100 feet in the afternoon . High near 41. South wind 18 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am.  Snow level 7400 feet. Mostly cloudy, with a low around 36. Breezy, with a south wind 20 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain Likely
    then Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: A slight chance of rain before 7am, then a chance of rain and snow.  Snow level 6700 feet. Mostly cloudy, with a high near 39. Breezy, with a south wind 16 to 21 mph increasing to 24 to 29 mph in the morning. Winds could gust as high as 44 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then snow.  Low around 35. Windy, with a south wind 26 to 31 mph, with gusts as high as 47 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 35 °F

    Windy.
    Rain/Snow
    then Snow

  • Saturday

    Saturday: Snow.  High near 36. Breezy.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow.  Low around 33. Breezy.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 33 °F

    Snow and
    Breezy

  • Sunday

    Sunday: Snow likely.  Mostly cloudy, with a high near 34.

    High: 34 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 4am.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Snow Likely

Detailed Forecast

Tonight
Rain. Snow level 9400 feet lowering to 8800 feet after midnight . Low around 35. South wind 8 to 13 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
New Year's Day
Rain. Snow level 8800 feet lowering to 8100 feet in the afternoon . High near 41. South wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Snow level 7400 feet. Mostly cloudy, with a low around 36. Breezy, with a south wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
A slight chance of rain before 7am, then a chance of rain and snow. Snow level 6700 feet. Mostly cloudy, with a high near 39. Breezy, with a south wind 16 to 21 mph increasing to 24 to 29 mph in the morning. Winds could gust as high as 44 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 10pm, then snow. Low around 35. Windy, with a south wind 26 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. High near 36. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow. Low around 33. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow likely. Mostly cloudy, with a high near 34.
Sunday Night
Snow likely, mainly before 4am. Mostly cloudy, with a low around 31.
Monday
Snow likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 34.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 35.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 28.
Wednesday
A chance of snow. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Macdoel CA
 41.81°N 122.19°W (Elev. 6378 ft)
3:46 pm PST Dec 31, 2025
7pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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