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 66. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Northeast wind around 6 mph becoming north northwest after midnight.

    Low: 33 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 68. Calm wind becoming northeast 5 to 8 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. North northeast wind 6 to 8 mph becoming southwest after midnight.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Breezy, with a west wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 72 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. Breezy, with a west wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Breezy, with a south southwest wind 7 to 17 mph becoming north northeast in the morning. Winds could gust as high as 24 mph.

    High: 65 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Blustery.

    Low: 30 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 66. Calm wind becoming east northeast around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 33. Northeast wind around 6 mph becoming north northwest after midnight.
Monday
Mostly sunny, with a high near 68. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 34. North northeast wind 6 to 8 mph becoming southwest after midnight.
Tuesday
Mostly sunny, with a high near 72. Breezy, with a west wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 35. Breezy, with a west wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Sunny, with a high near 65. Breezy, with a south southwest wind 7 to 17 mph becoming north northeast in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 30. Blustery.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 64.
Thursday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 33.
Friday
A slight chance of showers. Partly sunny, with a high near 66.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 72.
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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:
9:32 am MDT Apr 5, 2026
Forecast Valid:
9am MDT Apr 5, 2026-6pm MDT Apr 11, 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