National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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3 Miles SSE Upper/Lower Falls WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Snow Chance for Measurable Precipitation 90%

Snow

Low: 28 °F

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 33 °F

Sunday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 17 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 25 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -1 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 21 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 13 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 28 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 17 °F

Detailed Forecast

  • Overnight Snow. Steady temperature around 28. South southwest wind around 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
  • Sunday Snow with areas of blowing snow. High near 33. Windy, with a west southwest wind 18 to 23 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Sunday Night Snow before 11pm, then snow likely with areas of blowing snow after 11pm. Low around 17. Blustery, with a west northwest wind 15 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
  • Monday A 50 percent chance of snow. Mostly cloudy, with a high near 25. North northwest wind around 15 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.
  • Monday Night A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -1. Northwest wind 5 to 8 mph becoming light and variable in the evening.
  • Tuesday A 20 percent chance of snow. Partly sunny, with a high near 21. Calm wind becoming west around 6 mph in the afternoon.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 13. Light southwest wind.
  • Wednesday A 40 percent chance of snow. Mostly cloudy, with a high near 28.
  • Wednesday Night Snow likely. Cloudy, with a low around 17. Chance of precipitation is 70%.
  • Christmas Day A 50 percent chance of snow. Cloudy, with a high near 21.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 2.
  • Friday A slight chance of snow. Mostly cloudy, with a high near 14.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around -2.
  • Saturday A slight chance of snow. Partly sunny, with a high near 18.