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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

South Valley Regional Airport (KSVR)

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

Clear

86°F

30°C

Humidity 20%
Wind Speed NNW 8 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 04:55 PM MDT
Extended Forecast for

Riverton UT

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms. Sunny, with a high near 91. South wind around 9 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 65. South southeast wind 6 to 9 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. South southeast wind around 11 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Southeast wind 6 to 8 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. South southeast wind around 7 mph.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 98.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms. Sunny, with a high near 91. South wind around 9 mph.
Tonight
Mostly clear, with a low around 65. South southeast wind 6 to 9 mph.
Monday
Sunny, with a high near 93. South southeast wind around 11 mph.
Monday Night
Mostly clear, with a low around 66. Southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 98. South southeast wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 98.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 95.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90.
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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:
3:05 pm MDT Aug 17, 2025
Forecast Valid:
5pm MDT Aug 17, 2025-6pm MDT Aug 24, 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