National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

30°F

-1°C

Humidity 30%
Wind Speed NW 20 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 09 Jan 04:30 PM MST
Extended Forecast for

Riverton WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 38. West wind around 8 mph.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 13. South southwest wind around 11 mph.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 41. South wind 6 to 10 mph becoming west northwest in the afternoon.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16. South wind around 6 mph.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17. South southwest wind around 6 mph.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48. South wind 3 to 7 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 38. West wind around 8 mph.
Tonight
Mostly clear, with a low around 13. South southwest wind around 11 mph.
Saturday
Sunny, with a high near 41. South wind 6 to 10 mph becoming west northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 16. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 17. South southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 48. South wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 23.
Thursday
Sunny, with a high near 50.
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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:
4:01 pm MST Jan 9, 2026
Forecast Valid:
4pm MST Jan 9, 2026-6pm MST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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