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.

Clear

30°F

-1°C

Humidity 42%
Wind Speed WNW 14 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 17 Apr 08:20 AM MDT
Extended Forecast for

Riverton WY

Freeze Warning April 17, 08:35am until April 18, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning April 17, 08:35am until April 18, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Today

    High: 46 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Tonight

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

    Low: 20 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 58. West wind 5 to 10 mph becoming south in the afternoon.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Southwest wind 5 to 10 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Southwest wind 5 to 9 mph becoming east southeast in the morning.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. Southwest wind 6 to 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Breezy, with a west wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 77 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Today
A 30 percent chance of snow showers, mainly after 5pm. Partly sunny, with a high near 46. West northwest wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 20. 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. West wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly clear, with a low around 25. Southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 69. Southwest wind 5 to 9 mph becoming east southeast in the morning.
Sunday Night
Partly cloudy, with a low around 35. Southwest wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 77. Breezy, with a west wind 5 to 15 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 80. Breezy.
Tuesday Night
Partly cloudy, with a low around 45. Breezy.
Wednesday
Mostly sunny, with a high near 75. 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 62. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
Last Update:
6:46 am MDT Apr 17, 2026
Forecast Valid:
8am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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