National Weather Service United States Department of Commerce

Active weather pattern on Sunday brings the threat of wintry weather to several parts of the U.S

A few areas of active weather are expected on Sunday. The first will be in the Southwest, as locally heavy rain and mountain snow is possible in portions of California, Nevada, Utah, Colorado, New Mexico and Arizona. Further east, wintry weather is possible over a large portion of the country. Numerous winter weather products have been issued from the southern Plains to New England.
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Hazardous Weather Conditions

Current Conditions

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5 Miles SSW Lewis Lake WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Patchy Fog

Patchy
Fog

Low: -7 °F

Sunday

Sunny

Sunny

High: 24 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 4 °F

Monday

Partly Sunny

Partly
Sunny

High: 25 °F

Monday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 2 °F

Tuesday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 11 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: -11 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 15 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: -3 °F

Detailed Forecast

  • Overnight Patchy fog. Otherwise, partly cloudy, with a low around -7. Wind chill values as low as -25. North northeast wind around 15 mph, with gusts as high as 21 mph.
  • Sunday Sunny, with a high near 24. Wind chill values as low as -30. North northeast wind 9 to 14 mph becoming light and variable in the afternoon.
  • Sunday Night Partly cloudy, with a low around 4. Wind chill values as low as -5. South wind 3 to 6 mph.
  • Monday Partly sunny, with a high near 25. Wind chill values as low as -5. South southwest wind 5 to 9 mph.
  • Monday Night Snow likely, mainly after 11pm. Mostly cloudy, with a low around 2. South southwest wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
  • Tuesday Snow likely, mainly before 11am. Mostly cloudy, with a high near 11. Northwest wind 6 to 9 mph. Chance of precipitation is 70%.
  • Tuesday Night Partly cloudy, with a low around -11. North wind 6 to 8 mph.
  • Wednesday Mostly sunny, with a high near 15.
  • Wednesday Night Mostly clear, with a low around -3.
  • Thursday Mostly sunny, with a high near 26.
  • Thursday Night Partly cloudy, with a low around 9.
  • Friday Mostly sunny, with a high near 33.
  • Friday Night Partly cloudy, with a low around 12.
  • Saturday Mostly sunny, with a high near 36.