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

N/A

Humidity 75%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 01 Apr 11:45 PM MDT
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: A 20 percent chance of showers after 3am. Partly cloudy, with a low around 36. South southwest wind 9 to 13 mph.

    Low: 36 °F

    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 61. Breezy, with a southwest wind 14 to 23 mph becoming west northwest in the morning. Winds could gust as high as 34 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Breezy, with a west southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 63. West southwest wind 3 to 6 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. West northwest wind 7 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Breezy, with a west southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 67 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 43 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 63. Windy. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 70%.

    Low: 25 °F

    Blustery.
    Rain/Snow
    Likely then
    Snow Showers
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers after 3am. Partly cloudy, with a low around 36. South southwest wind 9 to 13 mph.
Monday
Sunny, with a high near 61. Breezy, with a southwest wind 14 to 23 mph becoming west northwest in the morning. Winds could gust as high as 34 mph.
Monday Night
Partly cloudy, with a low around 29. Breezy, with a west southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Tuesday
Sunny, with a high near 63. West southwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 31. West northwest wind 7 to 10 mph.
Wednesday
Mostly sunny, with a high near 67. Breezy, with a west southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
Mostly cloudy, with a low around 43. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 31 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 63. Windy. Chance of precipitation is 50%.
Thursday Night
Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 70%.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 43. Breezy.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 17. Blustery.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 64.
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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:
1:03 am MDT Apr 13, 2026
Forecast Valid:
2am MDT Apr 13, 2026-6pm MDT Apr 19, 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