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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19 Miles NNE Granger WY

7 Day Forecast

Riverton, WY

NWS Weather Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 21 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 59 °F

Thursday
Night

Increasing Clouds

Increasing
Clouds

Low: 29 °F

Friday

Breezy

Breezy

High: 64 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 29 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 62 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 30 °F

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 64 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 31 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 21. Light northwest wind.
  • Thursday Mostly sunny, with a high near 59. Light and variable wind becoming west 8 to 13 mph in the afternoon.
  • Thursday Night Increasing clouds, with a low around 29. West wind 8 to 13 mph becoming light and variable.
  • Friday Mostly sunny, with a high near 64. Breezy, with a south southwest wind 6 to 11 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
  • Friday Night A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 29. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
  • Saturday Mostly sunny, with a high near 62. Light west wind becoming west northwest 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.
  • Saturday Night Mostly clear, with a low around 30. West northwest wind 8 to 13 mph becoming light and variable.
  • Sunday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 64.
  • Sunday Night Mostly clear, with a low around 31.
  • Monday A 20 percent chance of showers. Mostly sunny, with a high near 65.
  • Monday Night Partly cloudy, with a low around 38.
  • Tuesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68. Breezy.
  • Tuesday Night A slight chance of showers. Partly cloudy, with a low around 34.
  • Wednesday A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 46. Breezy.

 

Additional Forecasts and Information

Zone Area Forecast for Upper Green River Basin, WY