National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Hazardous Weather Conditions

Current Conditions

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5 Miles NE South Pass City WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 50%

Heavy
Rain

High: 61 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 50%

Heavy
Rain

Low: 49 °F

Wednesday

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

High: 63 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 52 °F

Thursday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 67 °F

Thursday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 52 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 70 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 49 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 71 °F

Detailed Forecast

  • Today Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rain. Cloudy, with a high near 61. Breezy, with a north northeast wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tonight Scattered showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 49. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Wednesday Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 63. North northeast wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Wednesday Night Mostly cloudy, with a low around 52. Northeast wind 5 to 10 mph becoming west northwest after midnight.
  • Thursday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 67. North wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 20%.
  • Thursday Night Isolated showers and thunderstorms. Mostly cloudy, with a low around 52. North wind 7 to 10 mph. Chance of precipitation is 20%.
  • Friday A 40 percent chance of showers and thunderstorms, mainly after noon. Some of the storms could produce gusty winds. Partly sunny, with a high near 70. North northeast wind 7 to 9 mph.
  • Friday Night A 40 percent chance of showers and thunderstorms. Some of the storms could produce gusty winds. Partly cloudy, with a low around 49.
  • Saturday A 20 percent chance of showers and thunderstorms. Some of the storms could produce gusty winds. Mostly sunny, with a high near 71.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Some of the storms could produce gusty winds. Partly cloudy, with a low around 50.
  • Sunday A slight chance of showers and thunderstorms. Some of the storms could produce gusty winds. Mostly sunny, with a high near 72.
  • Sunday Night A slight chance of showers and thunderstorms. Some of the storms could produce gusty winds. Mostly cloudy, with a low around 47.
  • Monday A chance of showers and thunderstorms. Some of the storms could produce gusty winds. Partly sunny, with a high near 69.