Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

53°F

12°C

Humidity 79%
Wind Speed NNW 9 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Aug 03:53 AM MDT
Extended Forecast for

2 Miles NW Riverton Regional Airport WY

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. North northwest wind 6 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Northwest wind around 6 mph becoming calm.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. West wind 6 to 8 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 94. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63. Northeast wind 6 to 11 mph becoming north northwest after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 90. Light and variable wind becoming west 5 to 9 mph in the afternoon.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. North northwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 92. Northwest wind around 6 mph becoming calm.
Thursday Night
Partly cloudy, with a low around 61. West wind 6 to 8 mph.
Friday
Sunny, with a high near 94. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 63. Northeast wind 6 to 11 mph becoming north northwest after midnight.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 90. Light and variable wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Sunday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Riverton Regional Airport WY
 43.06°N 108.48°W (Elev. 5407 ft)
2:46 am MDT Aug 19, 2026
4am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database