National Weather Service United States Department of Commerce

Heavy snow forecast for parts of Upper Midwest and western Great Lakes

A cold air mass behind a cold front will continue to bring below-normal temperatures across much of the eastern and northern U.S. through Thursday and allow for snow, heavy at times, to fall across parts of the Upper Midwest and western Great Lakes, mainly from central Minnesota to northern Michigan. Winter Storm Warnings and Winter Weather Advisories are in effect across the region.
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Current Conditions

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5 Miles SW South Entrance WY

7 Day Forecast

Riverton, WY

NWS Weather Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 18 °F

Thursday

Partly Sunny

Partly
Sunny

High: 50 °F

Thursday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 27 °F

Friday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 52 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 24 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 54 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 25 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 55 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 25 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 18. South wind 3 to 5 mph.
  • Thursday Partly sunny, with a high near 50. South wind 7 to 9 mph.
  • Thursday Night A 20 percent chance of snow showers after 3am. Mostly cloudy, with a low around 27. South wind 9 to 14 mph, with gusts as high as 20 mph.
  • Friday A chance of rain and snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Cloudy, with a high near 52. South wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Friday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 24. Breezy, with a southwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.
  • Saturday Mostly sunny, with a high near 54. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.
  • Saturday Night Mostly clear, with a low around 25. West southwest wind 6 to 9 mph becoming south in the evening.
  • Sunday Mostly sunny, with a high near 55.
  • Sunday Night Partly cloudy, with a low around 25.
  • Monday A slight chance of rain and snow showers. Mostly sunny, with a high near 54. Chance of precipitation is 20%.
  • Monday Night A slight chance of rain and snow showers. Mostly cloudy, with a low around 29.
  • Tuesday A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 57.
  • Tuesday Night A chance of rain and snow showers. Mostly cloudy, with a low around 27.
  • Wednesday Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 33.

 

Additional Forecasts and Information

Zone Area Forecast for Teton and Gros Ventre Mountains, WY