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 25%
Wind Speed W 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 20 Apr 07:53 AM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: Sunny, with a high near 79. Breezy, with a light south southwest wind becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 79 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 38. Breezy, with a west wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 38 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light south wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. South wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Windy, with a south southwest wind 10 to 20 mph increasing to 23 to 33 mph. Winds could gust as high as 49 mph.

    High: 70 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Windy, with a west southwest wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 38 mph.

    Low: 39 °F

    Mostly Cloudy
    and Windy
    then Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 57. Breezy, with a west wind 13 to 20 mph becoming north northeast in the afternoon. Winds could gust as high as 31 mph.

    High: 57 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 50%.

    Low: 26 °F

    Blustery.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: A 40 percent chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 49. Breezy.

    High: 49 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 79. Breezy, with a light south southwest wind becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 38. Breezy, with a west wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 82. Light south wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 49. South wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 70. Windy, with a south southwest wind 10 to 20 mph increasing to 23 to 33 mph. Winds could gust as high as 49 mph.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Windy, with a west southwest wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 38 mph.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 57. Breezy, with a west wind 13 to 20 mph becoming north northeast in the afternoon. Winds could gust as high as 31 mph.
Thursday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 50%.
Friday
A 40 percent chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 49. Breezy.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 24. Blustery.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 51.
Saturday Night
A slight chance of snow showers. Mostly cloudy, with a low around 26.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 55.
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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:
6:47 am MDT Apr 20, 2026
Forecast Valid:
8am MDT Apr 20, 2026-6pm MDT Apr 26, 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