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.

Partly Cloudy

55°F

13°C

Humidity 17%
Wind Speed WSW 23 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 13 Apr 01:35 PM MDT
Extended Forecast for

Riverton WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. Windy, with a west wind 20 to 25 mph, with gusts as high as 38 mph.

    High: 59 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Breezy, with a west southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 62. Southwest wind around 6 mph becoming light and variable.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. West northwest wind 7 to 10 mph becoming southwest after midnight.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Breezy, with a west southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 67 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: A 50 percent chance of showers, mainly after noon. Mostly sunny, with a high near 65. Windy, with a south wind 16 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 40 mph.

    High: 65 °F

    Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers after midnight. Low around 25. Blustery. Chance of precipitation is 80%.

    Low: 25 °F

    Blustery.
    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 60%.

    High: 43 °F

    Snow Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 59. Windy, with a west wind 20 to 25 mph, with gusts as high as 38 mph.
Tonight
Partly cloudy, with a low around 29. Breezy, with a west southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Tuesday
Sunny, with a high near 62. Southwest wind around 6 mph becoming light and variable.
Tuesday Night
Mostly clear, with a low around 30. West northwest wind 7 to 10 mph becoming southwest after midnight.
Wednesday
Mostly sunny, with a high near 67. Breezy, with a west southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 15 to 18 mph, with gusts as high as 30 mph.
Thursday
A 50 percent chance of showers, mainly after noon. Mostly sunny, with a high near 65. Windy, with a south wind 16 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers after midnight. Low around 25. Blustery. Chance of precipitation is 80%.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 16.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 62.
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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:
12:48 pm MDT Apr 13, 2026
Forecast Valid:
1pm MDT Apr 13, 2026-6pm MDT Apr 19, 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