National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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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

Overnight

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

Low: 11 °C

Saturday

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

High: 19 °C

Saturday
Night

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

Low: 8 °C

Sunday

Mostly Sunny

Mostly
Sunny

High: 18 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °C

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 21 °C

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 10 °C

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 21 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 9 °C

Detailed Forecast

  • Overnight Scattered showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 11. Calm wind. Chance of precipitation is 40%.
  • Saturday Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 19. Southwest wind 5 to 10 km/h becoming west northwest 11 to 16 km/h in the afternoon. Chance of precipitation is 40%.
  • Saturday Night Scattered showers and thunderstorms. Mostly cloudy, with a low around 8. West northwest wind 10 to 18 km/h becoming southwest after midnight. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.
  • Sunday Mostly sunny, with a high near 18. East wind 5 to 10 km/h becoming west in the afternoon.
  • Sunday Night Partly cloudy, with a low around 8. West northwest wind 8 to 11 km/h.
  • Monday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 21. West southwest wind 8 to 10 km/h becoming south in the afternoon.
  • Monday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 10. West northwest wind 8 to 14 km/h.
  • Tuesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 21.
  • Tuesday Night Partly cloudy, with a low around 9.
  • Wednesday Sunny, with a high near 24.
  • Wednesday Night Mostly clear, with a low around 11.
  • Thursday Sunny, with a high near 27.
  • Thursday Night Mostly clear, with a low around 12.
  • Friday Mostly sunny, with a high near 27.