National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Current Conditions

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Casper WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 39 °F

Tonight

Breezy

Breezy

Low: 30 °F

Sunday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 44 °F

Sunday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 29 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 34 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 19 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 33 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 21 °F

Wednesday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 37 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 39. Southwest wind 15 to 18 mph, with gusts as high as 30 mph.
  • Tonight Mostly cloudy, with a low around 30. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 32 mph.
  • Sunday A slight chance of snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 44. Windy, with a southwest wind 24 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
  • Sunday Night A slight chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 29. Breezy, with a west wind 13 to 21 mph. Chance of precipitation is 30%.
  • Monday A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 34. Breezy, with a west wind 16 to 20 mph, with gusts as high as 28 mph.
  • Monday Night A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 19. West northwest wind 13 to 16 mph.
  • Tuesday Mostly sunny, with a high near 33. West southwest wind 11 to 15 mph, with gusts as high as 22 mph.
  • Tuesday Night Partly cloudy, with a low around 21.
  • Wednesday A slight chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 20%.
  • Wednesday Night A 30 percent chance of snow. Mostly cloudy, with a low around 28.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 32.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 16.
  • Friday A slight chance of snow. Partly sunny, with a high near 22.