National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Current Conditions

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9 Miles S Island Park ID

7 Day Forecast

For More Weather Information:

Pocatello, ID Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: -3 °C

Saturday

Snow Chance for Measurable Precipitation 100%

Snow

High: 3 °C

Saturday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: -16 °C

Sunday

Mostly Sunny

Mostly
Sunny

High: -7 °C

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: -18 °C

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: -2 °C

Monday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: -6 °C

Tuesday

Chance Snow

Chance
Snow

High: 1 °C

Tuesday
Night

Slight Chance Snow

Slight Chc
Snow

Low: -7 °C

Detailed Forecast

  • Overnight A 40 percent chance of snow. Cloudy, with a low around -3. South southwest wind 16 to 18 km/h. Total nighttime snow accumulation of 3 to 7 centimeters possible.
  • Saturday Snow. High near 3. South southwest wind 16 to 21 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 100%. New snow accumulation of 12 to 18 centimeters possible.
  • Saturday Night Snow. Low around -16. South wind 19 to 24 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 37 km/h. Chance of precipitation is 80%. New snow accumulation of 3 to 7 centimeters possible.
  • Sunday Mostly sunny, with a high near -7. Wind chill values as low as -20. Calm wind.
  • Sunday Night Mostly cloudy, with a low around -18. Calm wind.
  • Monday A 30 percent chance of snow. Mostly cloudy, with a high near -2. New snow accumulation of 1 to 2 centimeters possible.
  • Monday Night A 50 percent chance of snow. Mostly cloudy, with a low around -6. New snow accumulation of 1 to 2 centimeters possible.
  • Tuesday A chance of snow. Mostly cloudy, with a high near 1.
  • Tuesday Night A slight chance of snow. Mostly cloudy, with a low around -7.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 1.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around -6.
  • Thursday A chance of snow. Mostly cloudy, with a high near 2.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around -6.
  • Friday A slight chance of snow. Partly sunny, with a high near 2.