National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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5 Miles W Island Park ID

7 Day Forecast

For More Weather Information:

Pocatello, ID Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 90%

Snow

Low: 15 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 20 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 7 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 22 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 17 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 26 °F

Wednesday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 11 °F

Christmas
Day

Snow Likely

Snow
Likely

High: 17 °F

Thursday
Night

Chance Snow

Chance
Snow

Low: 2 °F

Detailed Forecast

  • Tonight Snow. Low around 15. Blustery, with a west northwest wind 24 to 29 mph decreasing to 15 to 20 mph in the evening. Winds could gust as high as 39 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
  • Monday Snow showers likely. Mostly cloudy, with a high near 20. Wind chill values as low as -6. Northwest wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
  • Monday Night A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 7. Wind chill values as low as -9. Blustery, with a north northwest wind 15 to 22 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
  • Tuesday Partly sunny, with a high near 22. Wind chill values as low as -8. West northwest wind around 10 mph.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 17. West wind 10 to 14 mph, with gusts as high as 22 mph.
  • Wednesday A 50 percent chance of snow. Mostly cloudy, with a high near 26. New snow accumulation of around an inch possible.
  • Wednesday Night Snow. Low around 11. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
  • Christmas Day Snow likely. Cloudy, with a high near 17.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 2.
  • Friday A chance of snow. Mostly cloudy, with a high near 13.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 1.
  • Saturday A slight chance of snow. Mostly cloudy, with a high near 16.
  • Saturday Night A chance of snow. Mostly cloudy, with a low around 8.
  • Sunday A chance of snow. Mostly cloudy, with a high near 18.