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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10 Miles W Challis ID

7 Day Forecast

For More Weather Information:

Pocatello, ID Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 90%

Snow

Low: 21 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 32 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 6 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 28 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 19 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 38 °F

Wednesday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 14 °F

Christmas
Day

Chance Snow

Chance
Snow

High: 26 °F

Thursday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 4 °F

Detailed Forecast

  • Tonight Snow. Low around 21. West northwest wind 3 to 8 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
  • Monday A 50 percent chance of snow showers. Mostly cloudy, with a high near 32. Northwest wind 5 to 7 mph becoming calm. New snow accumulation of less than one inch possible.
  • Monday Night Mostly cloudy, with a low around 6. Wind chill values as low as -3. West wind 5 to 7 mph.
  • Tuesday Partly sunny, with a high near 28. Wind chill values as low as -3. West wind around 5 mph becoming calm in the morning.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 19. West southwest wind around 6 mph.
  • Wednesday A 40 percent chance of snow. Mostly cloudy, with a high near 38. New snow accumulation of less than one inch possible.
  • Wednesday Night Snow. Low around 14. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 26.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 4.
  • Friday A slight chance of snow. Mostly cloudy, with a high near 18.
  • Friday Night Mostly cloudy, with a low around 5.
  • Saturday A slight chance of snow. Mostly cloudy, with a high near 26.
  • Saturday Night A chance of snow. Mostly cloudy, with a low around 8.
  • Sunday A chance of snow. Mostly cloudy, with a high near 25.