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.

Mostly Cloudy

52°F

11°C

Humidity 27%
Wind Speed NNW 20 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 23 Apr 09:15 AM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: A slight chance of showers between 1pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 61. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 61 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Rain and snow showers likely, becoming all snow after 11pm. Some thunder is also possible. Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 8 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely and
    Blustery then
    Snow Showers
    Likely

  • Friday

    Friday: A 40 percent chance of snow showers. Mostly sunny, with a high near 50. Southwest wind 7 to 14 mph becoming north northeast in the morning. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 50 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. North wind 6 to 14 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Northeast wind 6 to 10 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 29. North northeast wind 7 to 11 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow showers likely before noon, then snow showers likely, possibly mixed with rain. Mostly cloudy, with a high near 45. Northeast wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 45 °F

    Snow Showers
    Likely then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers between 1pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 61. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Rain and snow showers likely, becoming all snow after 11pm. Some thunder is also possible. Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 8 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow showers. Mostly sunny, with a high near 50. Southwest wind 7 to 14 mph becoming north northeast in the morning. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. North wind 6 to 14 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 56. Northeast wind 6 to 10 mph.
Saturday Night
A chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 29. North northeast wind 7 to 11 mph. Chance of precipitation is 40%.
Sunday
Snow showers likely before noon, then snow showers likely, possibly mixed with rain. Mostly cloudy, with a high near 45. Northeast wind 7 to 10 mph. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 34.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
8:47 am MDT Apr 23, 2026
Forecast Valid:
9am MDT Apr 23, 2026-6pm MDT Apr 29, 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