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

46°F

8°C

Humidity 33%
Wind Speed SSW 10 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 15 Apr 10:20 AM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: Mostly sunny, with a high near 67. Breezy, with a west southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 67 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Breezy, with a west southwest wind 15 to 23 mph becoming south after midnight. Winds could gust as high as 34 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Scattered rain showers before 9am, then scattered rain and snow showers between 9am and 10am, then rain showers likely after 10am. Some thunder is also possible. Increasing clouds, with a high near 64. Breezy, with a south wind 17 to 23 mph becoming north northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 64 °F

    Breezy.
    Scattered
    Rain/Snow
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain and snow showers, becoming all snow after 9pm. Low around 25. Blustery, with a north wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Rain/Snow and
    Blustery then
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 40. North wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 40 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 16. North northeast wind 6 to 10 mph becoming southwest after midnight.

    Low: 16 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. South wind 5 to 8 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. Breezy, with a west southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.
Tonight
Partly cloudy, with a low around 44. Breezy, with a west southwest wind 15 to 23 mph becoming south after midnight. Winds could gust as high as 34 mph.
Thursday
Scattered rain showers before 9am, then scattered rain and snow showers between 9am and 10am, then rain showers likely after 10am. Some thunder is also possible. Increasing clouds, with a high near 64. Breezy, with a south wind 17 to 23 mph becoming north northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Rain and snow showers, becoming all snow after 9pm. Low around 25. Blustery, with a north wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 40. North wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 16. North northeast wind 6 to 10 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 52. South wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Sunny, with a high near 75. Breezy.
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:
8:48 am MDT Apr 15, 2026
Forecast Valid:
10am MDT Apr 15, 2026-6pm MDT Apr 21, 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