Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219° N Lon: 108.44701° W Elev: 5443.0 ft.

Clear

31°F

-1°C

Humidity 39%
Wind Speed NE 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 19 Jan 05:53 PM MST
Detailed forecast for

Wind River Basin

This Afternoon
Sunny. Highs around 40. West winds around 10 mph.
Tonight
Mostly clear. Cold with lows 16 to 22. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Tuesday
Partly cloudy and breezy. Highs in the upper 30s. Temperature falling into the lower 30s in the afternoon. West winds 10 to 15 mph with gusts up to 30 mph, becoming north 15 to 20 mph with gusts up to 40 mph in the afternoon.
Tuesday Night
Mostly clear. Cold with lows 12 to 16. Southwest winds around 10 mph.
Wednesday
Mostly sunny. Highs in the lower 30s. Northwest winds around 10 mph, becoming northeast in the afternoon.
Wednesday Night
Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15.
Thursday
Partly cloudy. Highs in the lower 30s.
Thursday Night
Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows around 10 above.
Friday
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 20s.
Friday Night
Partly cloudy in the evening, then clearing. Cold with lows around 5 above.
Saturday
Mostly sunny. Highs in the lower 30s.
Saturday Night
Mostly clear. Cold with lows 10 to 15.
Sunday
Mostly sunny. Highs around 40.



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446 PM MST Mon Jan 19 2026
 
 

Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database