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

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

light snow,mist

18°F

-8°C

Humidity	85%
Wind Speed	NNE 10 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	14°F (-10°C)
Visibility	0.75 mi
Wind Chill	6°F (-14°C)
Last update	27 Dec 08:20 PM MST

More Information:

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

Extended Forecast for

4 Miles SW Mills WYSimilar City Names

Tonight
Low: 8 °F
Snow Showers
Likely and
Blustery
Sunday
High: 24 °F
Sunny and
Breezy
Sunday Night
Low: 16 °F
Mostly Clear
Monday
High: 37 °F
Sunny and
Breezy
Monday Night
Low: 23 °F
Mostly Clear
then Partly
Cloudy and
Breezy
Tuesday
High: 44 °F
Partly Sunny
and Breezy
then Mostly
Sunny
Tuesday Night
Low: 27 °F
Mostly Clear
and Breezy
Wednesday
High: 49 °F
Sunny and
Breezy
Wednesday Night
Low: 32 °F
Mostly Clear
and Breezy

Detailed Forecast

Tonight

Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 8. Wind chill values as low as zero. Blustery, with a north northeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

Sunday

Sunny, with a high near 24. Wind chill values as low as -5. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 28 mph.

Sunday Night

Mostly clear, with a low around 16. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 37. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 23 mph.

Monday Night

Partly cloudy, with a low around 23. Breezy, with a south southwest wind 13 to 18 mph, with gusts as high as 23 mph.

Tuesday

Mostly sunny, with a high near 44. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 21 mph.

Tuesday Night

Mostly clear, with a low around 27. Breezy, with a south southwest wind 9 to 15 mph.

Wednesday

Sunny, with a high near 49. Breezy.