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

Riverton Regional Airport (KRIW)

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

Clear

70°F

21°C

Humidity 9%
Wind Speed W 33 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 10 Jun 05:53 PM MDT
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Mostly clear, with a low around 39. Windy, with a west northwest wind 25 to 30 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 47 mph.

    Low: 39 °F

    Mostly Clear
    and Windy

  • Thursday

    Thursday: Sunny, with a high near 76. West northwest wind 8 to 13 mph becoming light and variable.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. South southwest wind 6 to 9 mph becoming west northwest in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 48. Breezy, with a west wind 10 to 16 mph becoming east after midnight. Winds could gust as high as 24 mph.

    Low: 48 °F

    Clear and
    Breezy then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Breezy, with a northeast wind 15 to 22 mph, with gusts as high as 31 mph.

    High: 74 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 45. Breezy, with a north northeast wind 15 to 23 mph, with gusts as high as 34 mph.

    Low: 45 °F

    Breezy.
    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 39. Windy, with a west northwest wind 25 to 30 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 47 mph.
Thursday
Sunny, with a high near 76. West northwest wind 8 to 13 mph becoming light and variable.
Thursday Night
Mostly clear, with a low around 43. South southwest wind 6 to 9 mph becoming west northwest in the evening.
Friday
Sunny, with a high near 86. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Clear, with a low around 48. Breezy, with a west wind 10 to 16 mph becoming east after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 74. Breezy, with a northeast wind 15 to 22 mph, with gusts as high as 31 mph.
Saturday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 45. Breezy, with a north northeast wind 15 to 23 mph, with gusts as high as 34 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
Last Update:
6:01 pm MDT Jun 10, 2026
Forecast Valid:
6pm MDT Jun 10, 2026-6pm MDT Jun 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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