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.

light snow

27°F

-3°C

Humidity 73%
Wind Speed N 11 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 19°F (-7°C)
Visibility 4.00 mi
Wind Chill17°F (-8°C)
Last update 17 Apr 04:05 AM MDT
Extended Forecast for

Riverton WY

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

    NOW until 9:00am Sat

    Freeze Warning

  • Overnight

    Low: 25 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A slight chance of snow showers before 7am, then a slight chance of snow showers after 3pm. Partly sunny, with a high near 46. North northwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 19. North wind 6 to 13 mph becoming southwest in the evening. Winds could gust as high as 20 mph.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 58. South southwest wind 5 to 9 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Southwest wind 5 to 9 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Southwest wind 6 to 8 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Mostly cloudy, with a low around 25. Northwest wind around 14 mph, with gusts as high as 21 mph.
Friday
A slight chance of snow showers before 7am, then a slight chance of snow showers after 3pm. Partly sunny, with a high near 46. North northwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of snow showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 19. North wind 6 to 13 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 58. South southwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 24. Southwest wind 5 to 9 mph.
Sunday
Sunny, with a high near 69. Light and variable wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 34. Southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 45. Breezy.
Wednesday
Mostly sunny, with a high near 76. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 40. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 63. Breezy.
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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:
3:32 am MDT Apr 17, 2026
Forecast Valid:
4am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation