Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Overcast

39°F

4°C

Humidity 60%
Wind Speed N 13 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 16 Apr 07:30 PM MDT
Extended Forecast for

Riverton WY

Freeze Warning April 16, 09:00pm until April 18, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: A chance of rain and snow showers before 8pm, then a chance of snow showers.  Mostly cloudy, with a low around 28. Blustery, with a west northwest wind 9 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance
    Rain/Snow and
    Blustery then
    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of snow showers before 7am, then a chance of snow showers after noon.  Mostly sunny, with a high near 43. North northwest wind 8 to 11 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Partly cloudy, with a low around 22. North northeast wind 6 to 13 mph becoming southwest in the evening.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Southwest wind 5 to 9 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. West southwest wind 5 to 9 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. South wind around 8 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Blustery, with a west northwest wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Friday
A slight chance of snow showers before 7am, then a chance of snow showers after noon. Mostly sunny, with a high near 43. North northwest wind 8 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 22. North northeast wind 6 to 13 mph becoming southwest in the evening.
Saturday
Sunny, with a high near 57. Southwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 24. West southwest wind 5 to 9 mph.
Sunday
Sunny, with a high near 69. Light and variable wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 34. South wind around 8 mph.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 76. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 42. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 66. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
6:02 pm MDT Apr 16, 2026
7pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database