National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Hazardous Weather Conditions

Current Conditions

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17 Miles ESE Cooke City MT

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 37 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 59 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Saturday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 57 °F

Saturday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 33 °F

Sunday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 39 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 24 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 38 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Detailed Forecast

  • Overnight Partly cloudy, with a steady temperature around 37. West northwest wind around 6 mph.
  • Friday Mostly sunny, with a high near 59. West northwest wind 5 to 10 mph.
  • Friday Night Partly cloudy, with a low around 36. West wind 7 to 9 mph.
  • Saturday A 20 percent chance of showers after noon. Partly sunny, with a high near 57. West wind 6 to 11 mph becoming south southeast in the afternoon.
  • Saturday Night A chance of rain showers before midnight, then a chance of snow. Mostly cloudy, with a low around 33. Breezy, with a west wind 9 to 14 mph becoming west southwest 17 to 22 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
  • Sunday A 50 percent chance of snow. Mostly cloudy, with a high near 39. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 28 mph.
  • Sunday Night A 40 percent chance of snow, mainly before midnight. Cloudy, with a low around 24. West wind 6 to 8 mph.
  • Monday A 20 percent chance of snow. Mostly sunny, with a high near 38.
  • Monday Night Partly cloudy, with a low around 23.
  • Tuesday Partly sunny, with a high near 41.
  • Tuesday Night Partly cloudy, with a low around 27.
  • Wednesday Mostly sunny, with a high near 45.
  • Wednesday Night Partly cloudy, with a low around 29.
  • Thursday Mostly sunny, with a high near 49.