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

Winter Weather Advisory in effect from December 27, 11:00 AM MST until December 27, 11:00 PM MST

Current conditions at

Sheridan County Airport (KSHR)

Lat: 44.76031°NLon: 106.97411°WElev: 3970.0ft.

Clear

46°F

8°C

Humidity	28%
Wind Speed	WSW 10 MPH
Barometer	29.58 in (1001.69 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	27 Dec 09:05 AM MST

More Information:

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

Extended Forecast for

Dayton WY

Winter Weather Advisory December 27, 11:00am until December 27, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 39 °F⇓
Chance
Rain/Snow
then Snow
Likely
Tonight
Low: 1 °F
Chance Snow
then Partly
Cloudy
Sunday
High: 23 °F
Sunny
Sunday Night
Low: 8 °F
Mostly Clear
Monday
High: 40 °F
Sunny
Monday Night
Low: 22 °F
Increasing
Clouds
Tuesday
High: 45 °F
Mostly Cloudy
Tuesday Night
Low: 25 °F
Partly Cloudy
Wednesday
High: 46 °F
Mostly Sunny

Detailed Forecast

Today

A chance of rain and snow between 10am and 11am, then snow likely. Increasing clouds, with a temperature rising to near 39 by 11am, then falling to around 19 during the remainder of the day. West southwest wind 18 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.

Tonight

A 30 percent chance of snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 1. Wind chill values as low as -10. North northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. New snow accumulation of less than one inch possible.

Sunday

Sunny, with a high near 23. Wind chill values as low as -10. Northwest wind 7 to 14 mph.

Sunday Night

Mostly clear, with a low around 8. Northwest wind 6 to 8 mph becoming southwest after midnight.

Monday

Sunny, with a high near 40. Southwest wind around 7 mph becoming west northwest in the afternoon.

Monday Night

Increasing clouds, with a low around 22. West southwest wind around 6 mph.

Tuesday

Mostly cloudy, with a high near 45. West northwest wind around 6 mph.

Tuesday Night

Partly cloudy, with a low around 25. Southwest wind around 6 mph.