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

23°F

-5°C

Humidity 62%
Wind Speed SSW 8 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 11 Jan 01:53 AM MST
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Partly cloudy, with a low around 17. West southwest wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. East northeast wind around 7 mph becoming southwest in the evening.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. Southwest wind 3 to 6 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Southwest wind around 8 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. West southwest wind 7 to 9 mph becoming north northwest in the afternoon.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West southwest wind 5 to 8 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 17. West southwest wind around 5 mph.
Sunday
Sunny, with a high near 44. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 21. East northeast wind around 7 mph becoming southwest in the evening.
Monday
Sunny, with a high near 47. Southwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 25. Southwest wind around 8 mph.
Tuesday
Partly sunny, with a high near 52. West southwest wind 7 to 9 mph becoming north northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 25. West southwest wind 5 to 8 mph.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 24.
Thursday
Sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.44°W (Elev. 5203 ft)
Last Update:
1:33 am MST Jan 11, 2026
Forecast Valid:
2am MST Jan 11, 2026-6pm MST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation