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

N/A

Humidity 75%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 01 Apr 11:45 PM MDT
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Mostly clear, with a low around 33. Northeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 7pm. Partly cloudy, with a low around 41. Calm wind becoming southwest around 6 mph after midnight.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 74. Breezy, with a south southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 38. Breezy, with a south southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.

    Low: 38 °F

    Slight Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70. Breezy, with a southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 70 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 26 mph.

    Low: 38 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 63. Breezy.

    High: 63 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Northeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 72. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of showers before 7pm. Partly cloudy, with a low around 41. Calm wind becoming southwest around 6 mph after midnight.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 74. Breezy, with a south southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 38. Breezy, with a south southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Mostly sunny, with a high near 70. Breezy, with a southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 26 mph.
Monday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 63. Breezy.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 34.
Tuesday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 64. Breezy.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 35. Breezy.
Thursday
Mostly sunny, with a high near 61. 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:
6:02 pm MDT Apr 9, 2026
Forecast Valid:
7pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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