National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

N/A

Humidity 75%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 01 Apr 11:45 PM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: Sunny, with a high near 67. West wind 6 to 14 mph becoming north in the morning. Winds could gust as high as 21 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North wind 7 to 14 mph becoming east northeast in the evening. Winds could gust as high as 21 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 73. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Southwest wind 6 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 75. Breezy, with a south southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    High: 75 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41. Breezy, with a south southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 41 °F

    Slight Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A 50 percent chance of showers, mainly after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Showers then
    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 67. West wind 6 to 14 mph becoming north in the morning. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 33. North wind 7 to 14 mph becoming east northeast in the evening. Winds could gust as high as 21 mph.
Friday
Partly sunny, with a high near 73. Calm wind becoming south 5 to 9 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 40. Southwest wind 6 to 10 mph.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 75. Breezy, with a south southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41. Breezy, with a south southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Mostly sunny, with a high near 69. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37. Breezy.
Monday
A 50 percent chance of showers, mainly after noon. Mostly sunny, with a high near 60.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 34.
Tuesday
A chance of showers. Partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Sunny, with a high near 65.
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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:
4:02 am MDT Apr 9, 2026
Forecast Valid:
5am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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