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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19 Miles WSW Mackay ID

7 Day Forecast

For More Weather Information:

Pocatello, ID Local Forecast Office

Late
Afternoon

Snow Chance for Measurable Precipitation 80%

Snow

High: 28 °F

Tonight

Snow Chance for Measurable Precipitation 80%

Snow

Low: 18 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 27 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 8 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 30 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 17 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 33 °F

Wednesday
Night

Snow

Snow

Low: 13 °F

Christmas
Day

Chance Snow

Chance
Snow

High: 20 °F

Detailed Forecast

  • Late Afternoon Snow. Steady temperature around 28. West northwest wind around 9 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.
  • Tonight Snow. Low around 18. West northwest wind 6 to 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
  • Monday A 30 percent chance of snow. Mostly cloudy, with a high near 27. Northwest wind 13 to 18 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 26 mph. New snow accumulation of less than a half inch possible.
  • Monday Night Mostly cloudy, with a low around 8. Wind chill values as low as -7. North northwest wind around 14 mph, with gusts as high as 22 mph.
  • Tuesday Mostly sunny, with a high near 30. Northwest wind around 7 mph.
  • Tuesday Night Partly cloudy, with a low around 17.
  • Wednesday A 40 percent chance of snow. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.
  • Wednesday Night Snow. Mostly cloudy, with a low around 13.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 20.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 4.
  • Friday A slight chance of snow. Partly sunny, with a high near 17.
  • Friday Night Mostly cloudy, with a low around 8.
  • Saturday A slight chance of snow. Partly sunny, with a high near 20.
  • Saturday Night A slight chance of snow. Mostly cloudy, with a low around 8.
  • Sunday A slight chance of snow. Partly sunny, with a high near 20.