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

46°F

8°C

Humidity 56%
Wind Speed S 11 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 16 Apr 05:05 AM MDT
Extended Forecast for

Riverton WY

Winter Weather Advisory April 16, 03:00pm until April 17, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A chance of rain showers before 5pm, then a chance of rain and snow showers. Mostly sunny, with a high near 63. Windy, with a south southwest wind 18 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 63 °F

    Chance
    Rain/Snow and
    Windy

  • Tonight

    Tonight: A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance
    Rain/Snow and
    Blustery then
    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers. Partly sunny, with a high near 45. North wind around 11 mph. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. West southwest wind 6 to 10 mph.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

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

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Southwest wind 6 to 9 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. South southwest wind 5 to 9 mph becoming east in the morning.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain showers before 5pm, then a chance of rain and snow showers. Mostly sunny, with a high near 63. Windy, with a south southwest wind 18 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow showers. Partly sunny, with a high near 45. North wind around 11 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. West southwest wind 6 to 10 mph.
Saturday
Sunny, with a high near 58. Southwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 26. Southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 70. South southwest wind 5 to 9 mph becoming east in the morning.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 79. Breezy.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 43. Breezy.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 69. 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:
3:17 am MDT Apr 16, 2026
Forecast Valid:
5am MDT Apr 16, 2026-6pm MDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation