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

28°F

-2°C

Humidity 93%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 07 Dec 03:54 PM MST
Extended Forecast for

13 Miles SSW Island Park ID

  • This Afternoon

    This Afternoon: Snow likely. Cloudy, with a high near 31. South wind around 7 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Likely

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 22. South southeast wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow then
    Chance Snow

  • Monday

    Monday: Snow likely, mainly after 2pm. Cloudy, with a high near 33. South southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    then Snow
    Likely

  • Monday Night

    Monday Night: Snow likely. Cloudy, with a low around 27. South southwest wind 8 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow Likely

  • Tuesday

    Tuesday: Rain and snow. Snow level rising to 6700 feet in the afternoon. High near 39. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Snow level 6600 feet rising to 7200 feet after midnight. Low around 30. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 5pm, then rain, possibly mixed with snow. Snow level 7500 feet rising to 8200 feet in the afternoon. High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely. Snow level 8100 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow likely. Snow level 7000 feet. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.

    High: 41 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Snow likely. Cloudy, with a high near 31. South wind around 7 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly before 11pm. Low around 22. South southeast wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely, mainly after 2pm. Cloudy, with a high near 33. South southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely. Cloudy, with a low around 27. South southwest wind 8 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday
Rain and snow. Snow level rising to 6700 feet in the afternoon. High near 39. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow. Snow level 6600 feet rising to 7200 feet after midnight. Low around 30. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Rain before 5pm, then rain, possibly mixed with snow. Snow level 7500 feet rising to 8200 feet in the afternoon. High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely. Snow level 8100 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Thursday
Rain and snow likely. Snow level 7000 feet. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow. Snow level 6800 feet. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Snow level 6600 feet rising to 7100 feet in the afternoon. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SSW Island Park ID
 44.38°N 111.41°W (Elev. 6250 ft)
Last Update:
2:28 pm MST Dec 7, 2025
Forecast Valid:
4pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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