Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

South Valley Regional Airport (KSVR)

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

thunder,rain

79°F

26°C

Humidity 54%
Wind Speed ESE 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Heat Index80°F (27°C)
Last update 22 Aug 05:35 PM MDT
Extended Forecast for

Riverton UT

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 3am.  Mostly cloudy, with a low around 68. South southeast wind around 6 mph becoming north northwest in the evening.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 95. South wind 5 to 8 mph becoming west in the afternoon.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight.  Partly cloudy, with a low around 66. West northwest wind around 6 mph becoming south southeast after midnight.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. South southeast wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 66. West northwest wind around 6 mph becoming southeast after midnight.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 68. South southeast wind around 6 mph becoming north northwest in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. South wind 5 to 8 mph becoming west in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight. Partly cloudy, with a low around 66. West northwest wind around 6 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 94. South southeast wind 5 to 8 mph becoming west southwest in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66. West northwest wind around 6 mph becoming southeast after midnight.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 96.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton UT
 40.5°N 111.95°W (Elev. 4501 ft)
12:31 pm MDT Aug 22, 2026
6pm MDT Aug 22, 2026-6pm MDT Aug 29, 2026
 
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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