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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

South Valley Regional Airport (KSVR)

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

Clear

91°F

33°C

Humidity 22%
Wind Speed NNW 9 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 22 Aug 06:55 PM MDT
Extended Forecast for

Riverton UT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 70. North northeast wind around 6 mph becoming light and variable in the evening.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 97. South wind 5 to 7 mph becoming west in the afternoon.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Northwest wind 5 to 7 mph becoming south southeast after midnight. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 91. South southeast wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 70%.

    High: 91 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. North northwest wind around 6 mph becoming south southeast after midnight. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 87. Chance of precipitation is 80%.

    High: 87 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 86.

    High: 86 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 70. North northeast wind around 6 mph becoming light and variable in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 97. South wind 5 to 7 mph becoming west in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Northwest wind 5 to 7 mph becoming south southeast after midnight. Chance of precipitation is 30%.
Sunday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 91. South southeast wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. North northwest wind around 6 mph becoming south southeast after midnight. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 87. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 86.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Wednesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 79.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 80.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton UT
 40.5°N 111.95°W (Elev. 4501 ft)
Last Update:
3:06 pm MDT Aug 22, 2025
Forecast Valid:
7pm MDT Aug 22, 2025-6pm MDT Aug 29, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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