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

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Northeast wind 5 to 9 mph becoming northwest.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Isolated showers between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. South southwest wind 6 to 11 mph becoming northwest in the evening. Chance of precipitation is 20%.

    Low: 41 °F

    Isolated
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 73. Breezy, with a southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. Breezy, with a south southwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph.

    Low: 36 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70. Breezy, with a southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 70 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 38 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 64. Breezy.

    High: 64 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Northeast wind 5 to 9 mph becoming northwest.
Friday
Mostly sunny, with a high near 72. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Friday Night
Isolated showers between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. South southwest wind 6 to 11 mph becoming northwest in the evening. Chance of precipitation is 20%.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 73. Breezy, with a southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. Breezy, with a south southwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Mostly sunny, with a high near 70. Breezy, with a southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Monday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 64. Breezy.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 35.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 66. Breezy.
Wednesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 36. Breezy.
Thursday
A slight chance of rain and snow showers. Mostly sunny, with a high near 62. Breezy.
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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:
12:32 am MDT Apr 10, 2026
Forecast Valid:
1am MDT Apr 10, 2026-6pm MDT Apr 16, 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