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 29%
Wind Speed W 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Apr 07:35 AM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: Sunny, with a high near 69. West wind around 6 mph becoming calm.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. 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 38. West southwest wind 5 to 13 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light southwest wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. South wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72. Very windy, with a south southwest wind 10 to 20 mph increasing to 26 to 36 mph. Winds could gust as high as 55 mph.

    High: 72 °F

    Sunny and
    Very Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 37. Windy.

    Low: 37 °F

    Chance
    Showers and
    Windy

  • Thursday

    Thursday: Rain showers likely before 3pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%.

    High: 54 °F

    Breezy.
    Showers
    Likely then
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 69. West wind around 6 mph becoming calm.
Tonight
Partly cloudy, with a low around 33. 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 38. West southwest wind 5 to 13 mph.
Tuesday
Mostly sunny, with a high near 82. Light southwest wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 48. South wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 72. Very windy, with a south southwest wind 10 to 20 mph increasing to 26 to 36 mph. Winds could gust as high as 55 mph.
Wednesday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 37. Windy.
Thursday
Rain showers likely before 3pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 40%.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 50.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 24. Blustery.
Saturday
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:
6:32 am MDT Apr 19, 2026
Forecast Valid:
7am MDT Apr 19, 2026-6pm MDT Apr 25, 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