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

41°F

5°C

Humidity 75%
Wind Speed NE 6 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 01 Apr 11:45 PM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: Sunny, with a high near 61. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. North northeast wind 5 to 9 mph becoming light and variable after midnight.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. East wind 5 to 8 mph becoming north northeast after midnight.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. Calm wind becoming northeast 5 to 8 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Northeast wind 6 to 8 mph becoming southwest after midnight.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 66. Breezy.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 61. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 27. North northeast wind 5 to 9 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. Calm wind becoming east 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 30. East wind 5 to 8 mph becoming north northeast after midnight.
Monday
Mostly sunny, with a high near 68. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 34. Northeast wind 6 to 8 mph becoming southwest after midnight.
Tuesday
Mostly sunny, with a high near 72. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 38. Breezy.
Wednesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 66. Breezy.
Wednesday Night
A slight chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 40%.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 54. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. Blustery.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 55.
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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:
3:47 am MDT Apr 4, 2026
Forecast Valid:
4am MDT Apr 4, 2026-6pm MDT Apr 10, 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