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

48°F

9°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 14 Apr 10:35 AM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: Sunny, with a high near 63. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. West northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Breezy, with a southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 67 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Isolated showers after midnight. Partly cloudy, with a low around 42. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Breezy.
    Mostly Cloudy
    then Isolated
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 63. Breezy, with a south southwest wind 16 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%.

    High: 63 °F

    Breezy.
    Scattered
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Rain and snow showers, becoming all snow after 9pm. Low around 25. Blustery, with a north wind 10 to 16 mph, with gusts as high as 26 mph. 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 39. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 39 °F

    Snow Showers
    Likely then
    Scattered
    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 63. Calm wind becoming west northwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 30. West northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 67. Breezy, with a southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Isolated showers after midnight. Partly cloudy, with a low around 42. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Thursday
Showers likely, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 63. Breezy, with a south southwest wind 16 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%.
Thursday Night
Rain and snow showers, becoming all snow after 9pm. Low around 25. Blustery, with a north wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 39. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 16.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 72. 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:
8:48 am MDT Apr 14, 2026
Forecast Valid:
10am MDT Apr 14, 2026-6pm MDT Apr 20, 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