National Weather Service United States Department of Commerce

Unsettled weather moving into the western and central U.S.

Increasing moisture and colder air will filter into the Pacific Northwest Friday and into Saturday. Expect rain to start near the coast and then begin to spread steadily to the south and east into the interior mountains as snow Friday into Saturday. Enough moisture will be pushed eastward to also see snow in the central and southern Rockies and adjacent Plains Friday.
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Current Conditions

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Casper WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 1 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 26 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 7 °F

Saturday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 21 °F

Saturday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 5 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 24 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 37 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 15 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 1. Wind chill values as low as -10. East wind around 10 mph.
  • Friday Mostly sunny, with a high near 26. Light south southeast wind.
  • Friday Night Partly cloudy, with a low around 7. Wind chill values as low as -5. East wind 5 to 8 mph becoming light and variable.
  • Saturday A 20 percent chance of snow. Partly sunny, with a high near 21. Wind chill values as low as -5. North northeast wind 7 to 14 mph, with gusts as high as 20 mph.
  • Saturday Night A 20 percent chance of snow. Mostly cloudy, with a low around 5. North northeast wind 5 to 11 mph becoming northwest after midnight.
  • Sunday Mostly sunny, with a high near 24. Light and variable wind becoming southwest 5 to 7 mph.
  • Sunday Night Partly cloudy, with a low around 8. East southeast wind around 5 mph becoming south in the evening.
  • Monday Mostly sunny, with a high near 37.
  • Monday Night A 20 percent chance of snow. Partly cloudy, with a low around 15.
  • Tuesday A 50 percent chance of snow. Mostly cloudy, with a high near 21.
  • Tuesday Night A chance of snow. Mostly cloudy, with a low around -1.
  • Wednesday A slight chance of snow. Mostly sunny, with a high near 14.
  • Wednesday Night Partly cloudy, with a low around 4.
  • Thursday Sunny, with a high near 30.