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

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. East northeast wind around 7 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. Northeast wind 5 to 7 mph becoming south after midnight.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Northeast wind 6 to 8 mph becoming southwest after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Breezy, with a west wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 72 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. Breezy.

    High: 65 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 61. East northeast wind around 7 mph.
Tonight
Mostly clear, with a low around 27. Northeast wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 66. Calm wind becoming east northeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 31. Northeast wind 5 to 7 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 68. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 33. Northeast wind 6 to 8 mph becoming southwest after midnight.
Tuesday
Mostly sunny, with a high near 72. Breezy, with a west wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 36. Breezy.
Wednesday
Sunny, with a high near 65. 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 31. Blustery. Chance of precipitation is 30%.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 60.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 31.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 62.
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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:
2:02 pm MDT Apr 4, 2026
Forecast Valid:
2pm MDT Apr 4, 2026-6pm MDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation