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

Hazardous Weather Conditions

Current conditions at

South Valley Regional Airport (KSVR)

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

Clear

95°F

35°C

Humidity 19%
Wind Speed NNE 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 19 Aug 05:35 PM MDT
Extended Forecast for

Riverton UT

Heat Advisory August 20, 12:00pm until August 22, 07:00am
Click here for hazard details and duration
Heat Advisory

  • 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. West wind 6 to 8 mph becoming south southeast after midnight. 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 40 percent 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

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

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. West wind 6 to 8 mph becoming south southeast after midnight. 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 40 percent 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 after noon. 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.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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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:
1:56 pm MDT Aug 19, 2026
Forecast Valid:
5pm MDT Aug 19, 2026-6pm MDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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