National Weather Service United States Department of Commerce

Heavy rain forecast for parts of the Southwest

The combination of a slow-moving front and monsoon moisture will bring thunderstorms to parts of the Southwest, some with heavy rain that could lead to isolated flash flooding. Areas at risk include southern Arizona, New Mexico and western Texas.
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Hazardous Weather Conditions

Current Conditions

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Yellowstone National Park WY

7 Day Forecast

For More Weather Information:

Riverton, WY Local Forecast Office

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 42 °F

Friday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 71 °F

Friday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 43 °F

Saturday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 71 °F

Saturday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 42 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 71 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 42 °F

Monday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 67 °F

Monday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 42 °F

Detailed Forecast

  • Tonight Isolated showers and thunderstorms before 10pm. Mostly clear, with a low around 42. East northeast wind around 6 mph. Chance of precipitation is 20%.
  • Friday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 71. Northeast wind 5 to 11 mph. Chance of precipitation is 20%.
  • Friday Night Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 43. Southeast wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
  • Saturday Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 71. South southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
  • Saturday Night Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 42. South wind 5 to 8 mph becoming north northeast in the evening. Chance of precipitation is 20%.
  • Sunday A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. South southeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 30%.
  • Sunday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. Northwest wind around 6 mph becoming east after midnight.
  • Monday A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 67.
  • Monday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
  • Tuesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 66.
  • Tuesday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 39.
  • Wednesday Mostly sunny, with a high near 69.
  • Wednesday Night Partly cloudy, with a low around 40.
  • Thursday Mostly sunny, with a high near 71.