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 West Coast through 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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14 Miles SW Island Park ID

7 Day Forecast

For More Weather Information:

Pocatello, ID Local Forecast Office

Overnight

Snow Chance for Measurable Precipitation 80%

Snow

Low: 27 °F

Sunday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 39 °F

Sunday
Night

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 24 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 30 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 9 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 27 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 19 °F

Wednesday

Chance Snow

Chance
Snow

High: 29 °F

Wednesday
Night

Snow Likely

Snow
Likely

Low: 19 °F

Detailed Forecast

  • Overnight Snow. Low around 27. South southwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.
  • Sunday Rain and snow, becoming all snow after 11am. High near 39. South southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
  • Sunday Night Rain and snow likely, becoming all snow after 11pm. Cloudy, with a low around 24. South southwest wind 11 to 14 mph becoming west northwest in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
  • Monday A 50 percent chance of snow showers. Mostly cloudy, with a high near 30. Northwest wind around 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
  • Monday Night A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 9. North wind 5 to 10 mph.
  • Tuesday Partly sunny, with a high near 27.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 19.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 29.
  • Wednesday Night Snow likely. Cloudy, with a low around 19.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 26.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 1.
  • Friday A slight chance of snow. Mostly cloudy, with a high near 19.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 8.
  • Saturday A slight chance of snow. Mostly cloudy, with a high near 25.