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

54°F

12°C

Humidity 34%
Wind Speed SW 24 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 15 Apr 07:35 PM 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

  • Tonight

    Tonight: A slight chance of showers between midnight and 2am. Partly cloudy, with a low around 43. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Rain showers likely before 5pm, then a chance of rain and snow showers. Some thunder is also possible. Increasing clouds, with a high near 63. Windy, with a south wind 18 to 25 mph becoming north in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 63 °F

    Chance
    Showers and
    Breezy then
    Rain/Snow
    Likely and
    Windy

  • Thursday Night

    Thursday Night: Snow showers likely, possibly mixed with rain, becoming all snow after 9pm. Mostly cloudy, with a low around 26. Blustery, with a north wind 9 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Rain/Snow
    Likely and
    Blustery then
    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely, mainly before noon. Partly sunny, with a high near 44. North wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 44 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 18. North wind 6 to 10 mph becoming west southwest after midnight.

    Low: 18 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56. Southwest wind 5 to 8 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Southwest wind around 8 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between midnight and 2am. Partly cloudy, with a low around 43. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Thursday
Rain showers likely before 5pm, then a chance of rain and snow showers. Some thunder is also possible. Increasing clouds, with a high near 63. Windy, with a south wind 18 to 25 mph becoming north in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow showers likely, possibly mixed with rain, becoming all snow after 9pm. Mostly cloudy, with a low around 26. Blustery, with a north wind 9 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers likely, mainly before noon. Partly sunny, with a high near 44. North wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 18. North wind 6 to 10 mph becoming west southwest after midnight.
Saturday
Sunny, with a high near 56. Southwest wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 26. Southwest wind around 8 mph.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 78. Breezy.
Tuesday Night
Partly cloudy, with a low around 42. Breezy.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 73. 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:
6:01 pm MDT Apr 15, 2026
Forecast Valid:
7pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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