A deep upper-level trough brought widespread snow to the western Nebraska Panhandle from the morning of February 21st through the early morning hours on February 22nd. In general, snowfall amounts were fairly light with a more localized area of 2 to 4 inches seen along the Pine Ridge in Dawes and Northern Sioux counties. At the same time, an intense arctic cold front brought near-record low temperatures to the region. While wind chills eased some during the daytime hours, extreme night time wind chills as low as -35 degrees F were common for much of the period from February 21st through February 23rd.

Winter Weather in DAWES, NEBRASKA
From 21-FEB-22 16:00:00 to 22-FEB-22 07:00:00 (MST-7)
Reported by: CoCoRaHS

CoCoRaHS and NOHRSC Interpolated Snowfall Analysis Data indicate that 2 to 4 inches of snow fell across primarily western and northern portions of Dawes County.

Extreme Cold/Wind Chill in DAWES, NEBRASKA
From 21-FEB-22 19:00:00 to 22-FEB-22 11:00:00 (MST-7)
Reported by: RAWS

Extreme wind chills ranging from -30 to -35 degrees F were observed at various stations across Dawes County. The coldest observation was -35 degrees F at the Kings Canyon RAWS near Chadron State Park around 12:00 AM MST on 2/22.

Winter Weather in NORTH SIOUX, NEBRASKA
From 21-FEB-22 16:00:00 to 22-FEB-22 07:00:00 (MST-7)
Reported by: COOP Observer

Snowfall accumulations of 4 to 6 inches were reported by multiple NWS COOP Observers across northern Sioux County.

Extreme Cold/Wind Chill in NORTH SIOUX, NEBRASKA
From 22-FEB-22 18:00:00 to 23-FEB-22 01:00:00 (MST-7)
Reported by: Department of Highways

The sensor at Highway 71 along the SD/NE line recorded a minimum wind chill around -35 degrees F which persisted for several hours.

Extreme Cold/Wind Chill in BOX BUTTE, NEBRASKA
From 21-FEB-22 20:00:00 to 22-FEB-22 11:00:00 (MST-7)
Reported by: ASOS

The Alliance Airport ASOS (KAIA) recorded a minimum wind chill of -36 degrees F at 4:00 AM MST on 2/22.

Extreme Cold/Wind Chill in SOUTH SIOUX, NEBRASKA
From 22-FEB-22 00:00:00 to 22-FEB-22 05:00:00 (MST-7)
Reported by: Department of Highways

A minimum wind chill of -33 degrees F was observed 11 S of Agate around 3:00 AM MST on 2/22.

Extreme Cold/Wind Chill in SCOTTS BLUFF, NEBRASKA
From 23-FEB-22 02:00:00 to 23-FEB-22 04:00:00 (MST-7)
Reported by: Mesonet

A minimum wind chill of -31 degrees F was observed 1 SSW of Scottsbluff at 3:19 AM MST on 2/23.

Extreme Cold/Wind Chill in BANNER, NEBRASKA
From 23-FEB-22 21:00:00 to 24-FEB-22 02:00:00 (MST-7)
Reported by: AWOS

The AWOS station K1BW located 14 miles west of Harrisburg recorded a minimum wind chill of -30 degrees F at 11:58 PM MST on 2/23.

Extreme Cold/Wind Chill in KIMBALL, NEBRASKA
From 22-FEB-22 03:30:00 to 22-FEB-22 10:00:00 (MST-7)
Reported by: AWOS

A minimum wind chill of -32 degrees F was observed at the Kimball Airport (KIBM) at 3:35 AM MST on 2/22.

Extreme Cold/Wind Chill in MORRILL, NEBRASKA
From 21-FEB-22 19:00:00 to 22-FEB-22 11:00:00 (MST-7)
Reported by: Mesonet

A Mesonet station located 6 SW of Angora recorded a minimum wind chill of -35 degrees F at 544 AM MST on 2/22.

Extreme Cold/Wind Chill in CHEYENNE, NEBRASKA
From 21-FEB-22 22:00:00 to 22-FEB-22 10:00:00 (MST-7)
Reported by: Mesonet

A minimum wind chill of -37 degrees F was observed at a UPR sensor 3 WNW of Brownson at 5:52 AM MST on 2/22.