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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Current Conditions

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Upper/Lower Falls WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Overnight

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 45 °F

Tuesday

Heavy Rain Chance for Measurable Precipitation 40%

Heavy
Rain

High: 70 °F

Tuesday
Night

Heavy Rain Chance for Measurable Precipitation 20%

Heavy
Rain

Low: 42 °F

Wednesday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 71 °F

Wednesday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 43 °F

Thursday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 68 °F

Thursday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 44 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 67 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 43 °F

Detailed Forecast

  • Overnight Isolated showers. Mostly cloudy, with a low around 45. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
  • Tuesday Isolated showers, then scattered showers and thunderstorms after 9am. Some of the storms could produce heavy rain. Partly sunny, with a high near 70. Light east wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
  • Tuesday Night Isolated showers and thunderstorms before midnight. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 42. East northeast wind 7 to 10 mph. Chance of precipitation is 20%.
  • Wednesday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 71. East southeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 20%.
  • Wednesday Night Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 43. East wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.
  • Thursday A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. Light and variable wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 50%.
  • Thursday Night A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 44. Light northeast wind.
  • Friday A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67.
  • Friday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 43.
  • Saturday A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70.
  • Saturday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.