Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

37°F

3°C

Humidity	60%
Wind Speed	S 9 MPH
Barometer	29.67 in (1004.74 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	27 Dec 10:35 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles NNW Riverton Regional Airport WY

Today
High: 44 °F
Sunny then
Chance Snow
Showers and
Breezy
Tonight
Low: 14 °F
Snow Likely
and Blustery
Sunday
High: 29 °F
Sunny
Sunday Night
Low: 8 °F
Mostly Clear
Monday
High: 32 °F
Sunny
Monday Night
Low: 14 °F
Partly Cloudy
Tuesday
High: 37 °F
Mostly Sunny
Tuesday Night
Low: 17 °F
Mostly Clear
Wednesday
High: 43 °F
Sunny

Detailed Forecast

Today

A 30 percent chance of snow showers, mainly after 5pm. Sunny, with a high near 44. Breezy, with a southwest wind 11 to 16 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

Tonight

Snow likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 14. Blustery, with a north wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday

Sunny, with a high near 29. Northeast wind 5 to 8 mph becoming light and variable in the afternoon.

Sunday Night

Mostly clear, with a low around 8. West southwest wind 3 to 6 mph.

Monday

Sunny, with a high near 32. Light and variable wind.

Monday Night

Partly cloudy, with a low around 14. West southwest wind 3 to 5 mph.

Tuesday

Mostly sunny, with a high near 37. Light and variable wind.

Tuesday Night

Mostly clear, with a low around 17.