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

25°F

-4°C

Humidity 58%
Wind Speed SSW 9 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 11 Jan 01:05 AM MST
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 20. West southwest wind around 6 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44. South southwest wind around 5 mph becoming calm.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20. East southeast wind 5 to 8 mph becoming south southwest in the evening.

    Low: 20 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. South wind around 6 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. South southwest wind around 7 mph.

    Low: 23 °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 24. West southwest wind 5 to 7 mph.

    Low: 24 °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
Mostly cloudy, with a steady temperature around 20. West southwest wind around 6 mph.
Sunday
Sunny, with a high near 44. South southwest wind around 5 mph becoming calm.
Sunday Night
Mostly clear, with a low around 20. East southeast wind 5 to 8 mph becoming south southwest in the evening.
Monday
Sunny, with a high near 48. South wind around 6 mph.
Monday Night
Partly cloudy, with a low around 23. South southwest wind around 7 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 24. West southwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 24.
Thursday
Sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.41°W (Elev. 5003 ft)
Last Update:
1:01 am MST Jan 11, 2026
Forecast Valid:
1am 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation