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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Hazardous Weather Conditions

Current Conditions

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14 Miles SSE Lander WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 27 °F

Sunday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 45 °F

Sunday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 25 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 31 °F

Monday
Night

Snow Chance for Measurable Precipitation 20%

Snow

Low: 11 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 29 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Wednesday

Flurries

Flurries

High: 38 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 22 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 27. South southwest wind 6 to 10 mph becoming west northwest after midnight.
  • Sunday A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Partly sunny, with a high near 45. Windy, with a light west wind increasing to 28 to 33 mph in the morning. Winds could gust as high as 47 mph. Chance of precipitation is 20%.
  • Sunday Night A slight chance of rain showers before 11pm, then a slight chance of snow showers. Mostly cloudy, with a low around 25. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph in the evening. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
  • Monday A 20 percent chance of snow showers. Partly sunny, with a high near 31. North northwest wind 8 to 14 mph, with gusts as high as 20 mph.
  • Monday Night A slight chance of snow showers before 11pm, then a chance for flurries. Mostly cloudy, with a low around 11. West northwest wind 7 to 13 mph. Chance of precipitation is 20%.
  • Tuesday Mostly sunny, with a high near 29. West wind 3 to 7 mph.
  • Tuesday Night Partly cloudy, with a low around 23. West southwest wind 7 to 9 mph.
  • Wednesday Occasional flurries. Mostly sunny, with a high near 38.
  • Wednesday Night A 50 percent chance of snow. Mostly cloudy, with a low around 22.
  • Christmas Day Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 8.
  • Friday Occasional flurries. Mostly sunny, with a high near 19.
  • Friday Night Partly cloudy, with a low around 4.
  • Saturday Mostly sunny, with a high near 22.