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

46°F

8°C

Humidity 33%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 06 Feb 11:35 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Today

    Today: Sunny, with a high near 57. North wind 3 to 5 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind 6 to 9 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Breezy, with a north northwest wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Southwest wind 5 to 9 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Southwest wind around 6 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. Southwest wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 56. Breezy, with a south southwest wind 7 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 56 °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 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A 20 percent chance of snow showers. Mostly cloudy, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Today
Sunny, with a high near 57. North wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 31. West wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 61. Breezy, with a north northwest wind 10 to 18 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 27. Southwest wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 59. Southwest wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 31. Southwest wind 8 to 10 mph.
Monday
Mostly cloudy, with a high near 56. Breezy, with a south southwest wind 7 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 42.
Tuesday Night
A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 21.
Wednesday
A slight chance of snow showers. Mostly cloudy, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Sunny, with a high near 45.
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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:
11:17 am MST Feb 6, 2026
Forecast Valid:
11am MST Feb 6, 2026-6pm MST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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