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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

ISLAND PARK (IPFI1)

Lat: 44.42051°NLon: 111.36741°WElev: 6337.0ft.

NA

27°F

-3°C

Humidity 97%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 07 Dec 06:54 PM MST
Extended Forecast for

5 Miles NNW Island Park ID

  • Tonight

    Tonight: Snow likely before 2am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 27. South southeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: A 50 percent chance of snow, mainly after 8am. Mostly cloudy, with a high near 35. South wind 10 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow. Temperature rising to around 36 by 3am. Breezy, with a south southwest wind 15 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F⇑

    Snow and
    Breezy

  • Tuesday

    Tuesday: Snow. High near 39. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow before 11pm, then rain, possibly mixed with snow. Snow level rising to 7000 feet after midnight. Low around 33. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 2pm. Snow level 7300 feet rising to 8100 feet in the afternoon. High near 41. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely. Snow level 8000 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 36. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain likely, possibly mixed with snow. Snow level 6900 feet. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

    High: 40 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow. Snow level 6700 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow likely before 2am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 27. South southeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Monday
A 50 percent chance of snow, mainly after 8am. Mostly cloudy, with a high near 35. South wind 10 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Monday Night
Snow. Temperature rising to around 36 by 3am. Breezy, with a south southwest wind 15 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 39. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Snow before 11pm, then rain, possibly mixed with snow. Snow level rising to 7000 feet after midnight. Low around 33. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 2pm. Snow level 7300 feet rising to 8100 feet in the afternoon. High near 41. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely. Snow level 8000 feet lowering to 7200 feet after midnight . Mostly cloudy, with a low around 36. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Rain likely, possibly mixed with snow. Snow level 6900 feet. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow. Snow level 6700 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Snow level 6500 feet rising to 7100 feet in the afternoon. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Island Park ID
 44.63°N 111.36°W (Elev. 6496 ft)
Last Update:
4:31 pm MST Dec 7, 2025
Forecast Valid:
7pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation