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

South Valley Regional Airport (KSVR)

Lat: 40.6196°NLon: 111.99016°WElev: 4596.0ft.

Clear

91°F

33°C

Humidity 18%
Wind Speed S 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Aug 12:55 PM MDT
Extended Forecast for

Riverton UT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 96. South southeast wind 5 to 7 mph becoming north.

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. North wind 5 to 8 mph becoming light and variable.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 99. South southeast wind 7 to 11 mph.

    High: 99 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. North wind 5 to 9 mph becoming south southeast in the evening.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 99. South southeast wind 6 to 9 mph.

    High: 99 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 93. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 96. South southeast wind 5 to 7 mph becoming north.
Tonight
Partly cloudy, with a low around 71. North wind 5 to 8 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 99. South southeast wind 7 to 11 mph.
Thursday Night
Partly cloudy, with a low around 72. North wind 5 to 9 mph becoming south southeast in the evening.
Friday
Mostly sunny, with a high near 99. South southeast wind 6 to 9 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Saturday
A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 93. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 65.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton UT
 40.5°N 111.95°W (Elev. 4501 ft)
Last Update:
12:31 pm MDT Aug 19, 2026
Forecast Valid:
1pm MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation