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.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Greybull/S Big Horn Airport WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 69 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 40 °F

Saturday

Partly Sunny

Partly
Sunny

High: 72 °F

Saturday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 38 °F

Sunday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 57 °F

Sunday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 30 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 51 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 26 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 55 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 69. South southeast wind 7 to 13 mph, with gusts as high as 20 mph.
  • Tonight Partly cloudy, with a low around 40. South southeast wind around 9 mph.
  • Saturday Partly sunny, with a high near 72. Southeast wind 9 to 15 mph, with gusts as high as 23 mph.
  • Saturday Night A slight chance of showers before midnight, then a slight chance of rain after midnight. Partly cloudy, with a low around 38. South southeast wind 8 to 16 mph becoming east northeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
  • Sunday A slight chance of rain and snow before noon, then a slight chance of rain. Partly sunny, with a high near 57. South southeast wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
  • Sunday Night A slight chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 30. North northwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
  • Monday Mostly sunny, with a high near 51. Northwest wind around 6 mph.
  • Monday Night Mostly clear, with a low around 26.
  • Tuesday Mostly sunny, with a high near 55.
  • Tuesday Night Partly cloudy, with a low around 30.
  • Wednesday Mostly sunny, with a high near 61.
  • Wednesday Night Partly cloudy, with a low around 33.
  • Thursday Mostly sunny, with a high near 64.