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.

Partly Cloudy

36°F

2°C

Humidity 31%
Wind Speed WNW 17 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 17 Apr 09:20 PM MDT
Extended Forecast for

Riverton WY

Freeze Warning April 17, 09:42pm until April 18, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning April 17, 09:42pm until April 18, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Tonight

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. West wind 6 to 10 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. West wind 5 to 11 mph becoming south southwest in the evening.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 70. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Southwest wind 5 to 8 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Light west southwest wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. West southwest wind 6 to 11 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. West wind 6 to 11 mph.
Saturday
Sunny, with a high near 60. West wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 25. West wind 5 to 11 mph becoming south southwest in the evening.
Sunday
Sunny, with a high near 70. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 33. Southwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 79. Light west southwest wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 39. West southwest wind 6 to 11 mph.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 46. Breezy.
Wednesday
Sunny, with a high near 75. Windy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 40. Breezy.
Thursday
A chance of showers. Mostly sunny, with a high near 62. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. 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:
8:18 pm MDT Apr 17, 2026
Forecast Valid:
9pm MDT Apr 17, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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