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

32°F

0°C

Humidity 54%
Wind Speed SW 5 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 06 Feb 02:20 AM MST
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. South southwest wind around 7 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63. South southwest wind 5 to 7 mph becoming northwest in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. West northwest wind 5 to 7 mph becoming south southwest after midnight.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60. South southwest wind around 5 mph becoming light and variable in the morning.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. South southwest wind 8 to 11 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57. Breezy.

    High: 57 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday Night

    Monday Night: A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 21. Calm wind.
Friday
Sunny, with a high near 62. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 29. South southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 63. South southwest wind 5 to 7 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 25. West northwest wind 5 to 7 mph becoming south southwest after midnight.
Sunday
Mostly sunny, with a high near 60. South southwest wind around 5 mph becoming light and variable in the morning.
Sunday Night
Mostly cloudy, with a low around 29. South southwest wind 8 to 11 mph.
Monday
Mostly cloudy, with a high near 57. Breezy.
Monday Night
A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 43.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Wednesday
A slight chance of snow showers. Mostly cloudy, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
2:31 am MST Feb 6, 2026
Forecast Valid:
2am MST Feb 6, 2026-6pm MST Feb 12, 2026
 
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