National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Lake WY

7 Day Forecast

Riverton, WY

NWS Weather Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 48 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 19 °F

Monday

Sunny

Sunny

High: 51 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 32 °F

Tuesday

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

High: 50 °F

Tuesday
Night

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 23 °F

Wednesday

Snow Chance for Measurable Precipitation 80%

Snow

High: 35 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 13 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 23. Southwest wind 7 to 10 mph.
  • Sunday Mostly sunny, with a high near 48. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
  • Sunday Night Mostly clear, with a low around 19. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
  • Monday Sunny, with a high near 51. South wind 5 to 10 mph.
  • Monday Night A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 32. South wind 5 to 13 mph, with gusts as high as 20 mph.
  • Tuesday A chance of snow showers before noon, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 50. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
  • Tuesday Night Rain showers likely before midnight, then snow showers. Some thunder is also possible. Low around 23. South southwest wind around 8 mph. Chance of precipitation is 80%.
  • Wednesday Snow showers. High near 35. Chance of precipitation is 80%.
  • Wednesday Night Snow showers likely. Mostly cloudy, with a low around 13. Chance of precipitation is 70%.
  • Thursday A 30 percent chance of snow showers. Mostly cloudy, with a high near 37.
  • Thursday Night A slight chance of snow showers. Mostly cloudy, with a low around 17.
  • Friday A slight chance of rain and snow showers. Partly sunny, with a high near 43.
  • Friday Night A slight chance of snow showers. Mostly cloudy, with a low around 19.
  • Saturday A slight chance of rain and snow showers. Mostly cloudy, with a high near 41.

 

Additional Forecasts and Information

Zone Area Forecast for Yellowstone National Park, WY