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

26°F

-3°C

Humidity 65%
Wind Speed SW 9 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 05 Feb 04:53 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Today

    Today: Sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Light and variable wind.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. Southwest wind 3 to 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. West southwest wind around 6 mph becoming north northwest in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West southwest wind 5 to 8 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 58. South wind 3 to 5 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 62. Light and variable wind.
Tonight
Mostly clear, with a low around 28. Light and variable wind.
Friday
Sunny, with a high near 61. Light and variable wind.
Friday Night
Partly cloudy, with a low around 29. Southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 60. West southwest wind around 6 mph becoming north northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 26. West southwest wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 58. South wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 42.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 17.
Wednesday
A slight chance of snow showers. Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
Last Update:
5:01 am MST Feb 5, 2026
Forecast Valid:
5am MST Feb 5, 2026-6pm MST Feb 11, 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