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

37°F

3°C

Humidity 26%
Wind Speed WNW 12 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 Apr 12:53 AM MDT
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Mostly clear, with a low around 28. Southwest wind 5 to 7 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. South southwest wind 5 to 7 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Light southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Breezy, with a light southwest wind becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 82 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. Breezy, with a south wind 14 to 16 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73. Very windy.

    High: 73 °F

    Sunny and
    Very Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 39. Windy.

    Low: 39 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Overnight
Mostly clear, with a low around 28. Southwest wind 5 to 7 mph.
Sunday
Sunny, with a high near 69. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 33. South southwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 79. Light southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 39. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 82. Breezy, with a light southwest wind becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 47. Breezy, with a south wind 14 to 16 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 73. Very windy.
Wednesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 39. Windy.
Thursday
A chance of rain showers before 3pm, then a chance of rain and snow showers. Partly sunny, with a high near 54. Windy. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Blustery.
Friday
A slight chance of snow showers. Partly sunny, with a high near 50.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
11:48 pm MDT Apr 18, 2026
Forecast Valid:
1am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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