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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Lander WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Today

Slight Chance Showers Chance for Measurable Precipitation 10%

Slight Chc
Showers

High: 9 °C

Tonight

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: -6 °C

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: -1 °C

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: -12 °C

Tuesday

Mostly Sunny

Mostly
Sunny

High: -2 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: -8 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 2 °C

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: -5 °C

Christmas
Day

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: -3 °C

Detailed Forecast

  • Today A 10 percent chance of showers after 5pm. Partly sunny, with a high near 9. Windy, with a light north northwest wind becoming west 43 to 48 km/h in the morning. Winds could gust as high as 65 km/h.
  • Tonight A slight chance of rain showers before 8pm, then a slight chance of snow. Mostly cloudy, with a low around -6. West northwest wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 20%.
  • Monday A 20 percent chance of snow. Partly sunny, with a high near -1. North northwest wind 14 to 19 km/h increasing to 21 to 26 km/h in the morning. Winds could gust as high as 37 km/h.
  • Monday Night Mostly cloudy, with a low around -12. West wind 10 to 16 km/h.
  • Tuesday Mostly sunny, with a high near -2. West northwest wind 8 to 11 km/h.
  • Tuesday Night Partly cloudy, with a low around -8. West southwest wind 8 to 11 km/h.
  • Wednesday Mostly sunny, with a high near 2. West southwest wind around 11 km/h.
  • Wednesday Night A 50 percent chance of snow. Mostly cloudy, with a low around -5.
  • Christmas Day Snow likely. Mostly cloudy, with a high near -3. Chance of precipitation is 70%.
  • Thursday Night A 40 percent chance of snow. Mostly cloudy, with a low around -14.
  • Friday Partly sunny, with a high near -8.
  • Friday Night Partly cloudy, with a low around -17.
  • Saturday Mostly sunny, with a high near -5.