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.

light snow

32°F

0°C

Humidity	81%
Wind Speed	NW 29 MPH
Barometer	29.7 in (1005.76 mb)
Dewpoint	27°F (-3°C)
Visibility	2.00 mi
Wind Chill	18°F (-8°C)
Last update	27 Dec 12:25 PM MST

More Information:

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

Extended Forecast for

2 Miles WSW Dayton WY

Winter Weather Advisory until December 27, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 27, 11:00pm
NOW until 11:00pm Sat
Winter Weather Advisory
This Afternoon
High: 42 °F⇓
Snow Showers
and Patchy
Blowing Snow
Tonight
Low: 3 °F
Chance Snow
Showers and
Patchy
Blowing Snow
Sunday
High: 22 °F
Sunny
Sunday Night
Low: 12 °F⇑
Mostly Clear
Monday
High: 39 °F
Sunny
Monday Night
Low: 24 °F
Increasing
Clouds
Tuesday
High: 44 °F
Mostly Cloudy
Tuesday Night
Low: 27 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Snow showers. Patchy blowing snow. Temperature falling to around 18 by 5pm. Northwest wind 21 to 26 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around 2 inches.

Tonight

A 40 percent chance of snow showers, mainly before 8pm. Patchy blowing snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 3. Wind chill values as low as -10. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. New snow accumulation of less than one inch possible.

Sunday

Sunny, with a high near 22. Wind chill values as low as -10. Northwest wind 8 to 14 mph.

Sunday Night

Mostly clear, with a temperature falling to near 12 by 10pm, then rising to around 18 during the remainder of the night. West northwest wind 6 to 8 mph becoming southwest after midnight.

Monday

Sunny, with a high near 39. Southwest wind 6 to 8 mph becoming west northwest in the afternoon.

Monday Night

Increasing clouds, with a low around 24. Southwest wind around 7 mph.

Tuesday

Mostly cloudy, with a high near 44. West northwest wind around 6 mph.

Tuesday Night

Partly cloudy, with a low around 27. Southwest wind around 6 mph.

Wednesday

Mostly sunny, with a high near 45. Southwest wind around 6 mph becoming north northwest in the afternoon.

Wednesday Night

Partly cloudy, with a low around 23. Light and variable wind.