National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Saturday

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into the Tennessee Valley Saturday. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys Saturday. Extreme heat will continue for the Intermountain West and Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

78°F

26°C

Humidity 15%
Wind Speed NNW 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 10 Jul 09:53 PM MDT
Extended Forecast for

10 Miles S Saint Stephens WY

Extreme Heat Warning July 11, 12:00pm until July 13, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Mostly clear, with a low around 62. West northwest wind 6 to 10 mph becoming south southwest in the evening.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South wind 5 to 8 mph becoming west in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Northwest wind 7 to 9 mph becoming southeast in the evening.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Light south wind becoming south southeast 6 to 11 mph in the morning.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. Breezy, with a south southeast wind 18 to 23 mph decreasing to 8 to 13 mph. Winds could gust as high as 32 mph.

    Low: 66 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 95. South wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. East northeast wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Breezy.

    Low: 65 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. West northwest wind 6 to 10 mph becoming south southwest in the evening.
Saturday
Sunny, with a high near 92. South wind 5 to 8 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 65. Northwest wind 7 to 9 mph becoming southeast in the evening.
Sunday
Sunny, with a high near 96. Light south wind becoming south southeast 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 66. Breezy, with a south southeast wind 18 to 23 mph decreasing to 8 to 13 mph. Winds could gust as high as 32 mph.
Monday
Sunny, with a high near 95. South wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 66. East northeast wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 65. Breezy.
Wednesday
Sunny, with a high near 91.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 87.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Saint Stephens WY
 42.82°N 108.15°W (Elev. 6158 ft)
Last Update:
8:48 pm MDT Jul 10, 2026
Forecast Valid:
10pm MDT Jul 10, 2026-6pm MDT Jul 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation