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

Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

34°F

1°C

Humidity 86%
Wind Speed WNW 9 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 22 May 02:05 AM MDT
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Mostly clear, with a low around 30. Calm wind becoming southwest around 5 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64. Southwest wind around 6 mph becoming calm.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. South southwest wind around 6 mph becoming calm after midnight.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. Southwest wind 7 to 9 mph.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Light west southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Calm wind becoming southwest around 5 mph.
Friday
Mostly sunny, with a high near 64. Southwest wind around 6 mph becoming calm.
Friday Night
Partly cloudy, with a low around 37. South southwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 76. Calm wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 42. Southwest wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 83. Light west southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 46. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Memorial Day
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Breezy.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. Breezy.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
1:31 am MDT May 22, 2026
Forecast Valid:
2am MDT May 22, 2026-6pm MDT May 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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