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

82°F

28°C

Humidity 16%
Wind Speed WSW 11 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 03 Oct 04:00 PM MDT
Extended Forecast for

Riverton WY

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 80. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before 2am, then isolated showers and thunderstorms after 4am. Partly cloudy, with a low around 47. Southwest wind 6 to 13 mph becoming northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Partly Cloudy
    then Isolated
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 68. Breezy, with a north northwest wind 6 to 11 mph becoming southeast 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Scattered
    Showers then
    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 40. North wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 40 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 50. North wind 6 to 10 mph. Chance of precipitation is 70%.

    High: 50 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Cloudy, with a low around 36. North northeast wind 7 to 10 mph.

    Low: 36 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 53. North northeast wind around 6 mph becoming calm in the morning.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 80. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Tonight
Isolated showers and thunderstorms before 2am, then isolated showers and thunderstorms after 4am. Partly cloudy, with a low around 47. Southwest wind 6 to 13 mph becoming northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 68. Breezy, with a north northwest wind 6 to 11 mph becoming southeast 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 40. North wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Sunday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 50. North wind 6 to 10 mph. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Cloudy, with a low around 36. North northeast wind 7 to 10 mph.
Monday
Partly sunny, with a high near 53. North northeast wind around 6 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.35°W (Elev. 4905 ft)
Last Update:
4:01 pm MDT Oct 3, 2025
Forecast Valid:
4pm MDT Oct 3, 2025-6pm MDT Oct 9, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation