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

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

39°F

4°C

Humidity 48%
Wind Speed WNW 12 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 23 Apr 04:20 AM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 61. Breezy, with a west southwest wind 10 to 20 mph becoming northwest in the morning. Winds could gust as high as 30 mph.

    High: 61 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Rain and snow showers likely, becoming all snow after 11pm. Some thunder is also possible. Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 8 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely and
    Blustery then
    Snow Showers
    Likely

  • Friday

    Friday: A 40 percent chance of snow showers. Mostly sunny, with a high near 50. Southwest wind 7 to 14 mph becoming north northeast in the morning. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 50 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. North wind 6 to 14 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Northeast wind 6 to 10 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 29. North northeast wind 7 to 11 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow showers likely before noon, then snow showers likely, possibly mixed with rain. Mostly cloudy, with a high near 45. Northeast wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 45 °F

    Snow Showers
    Likely then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 61. Breezy, with a west southwest wind 10 to 20 mph becoming northwest in the morning. Winds could gust as high as 30 mph.
Tonight
Rain and snow showers likely, becoming all snow after 11pm. Some thunder is also possible. Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 8 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow showers. Mostly sunny, with a high near 50. Southwest wind 7 to 14 mph becoming north northeast in the morning. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. North wind 6 to 14 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 56. Northeast wind 6 to 10 mph.
Saturday Night
A chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 29. North northeast wind 7 to 11 mph. Chance of precipitation is 40%.
Sunday
Snow showers likely before noon, then snow showers likely, possibly mixed with rain. Mostly cloudy, with a high near 45. Northeast wind 7 to 10 mph. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 34.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
2:49 am MDT Apr 23, 2026
Forecast Valid:
4am MDT Apr 23, 2026-6pm MDT Apr 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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