An Arctic airmass settled over the region, bringing bitter cold temperatures and gusty winds that produced wind chills of 30 below to 55 below zero at times from late day on the 20th through the 23rd. A period of light snow developed across much of the area on the 21st, bringing light accumulations and blowing snow, greatly reducing visibility at times through the 22nd.

Extreme Cold/Wind Chill in HARDING, SOUTH DAKOTA
From 20-DEC-22 00:00:00 to 23-DEC-22 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in PERKINS, SOUTH DAKOTA
From 20-DEC-22 00:00:00 to 24-DEC-22 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in BUTTE, SOUTH DAKOTA
From 20-DEC-22 00:00:00 to 23-DEC-22 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in NORTHERN MEADE CO PLAINS, SOUTH DAKOTA
From 20-DEC-22 00:00:00 to 24-DEC-22 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in ZIEBACH, SOUTH DAKOTA
From 20-DEC-22 00:00:00 to 24-DEC-22 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in NORTHERN BLACK HILLS, SOUTH DAKOTA
From 21-DEC-22 00:00:00 to 23-DEC-22 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in NORTHERN FOOT HILLS, SOUTH DAKOTA
From 21-DEC-22 00:00:00 to 23-DEC-22 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Extreme Cold/Wind Chill in RAPID CITY, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Extreme Cold/Wind Chill in SOUTHERN FOOT HILLS, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in CENTRAL BLACK HILLS, SOUTH DAKOTA
From 21-DEC-22 00:00:00 to 23-DEC-22 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in SOUTHERN BLACK HILLS, SOUTH DAKOTA
From 21-DEC-22 00:00:00 to 23-DEC-22 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in CUSTER CO PLAINS, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in PENNINGTON CO PLAINS, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in HAAKON, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 24-DEC-22 00:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in FALL RIVER, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in OGLALA LAKOTA, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in JACKSON, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in BENNETT, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in MELLETTE, SOUTH DAKOTA
From 20-DEC-22 04:00:00 to 24-DEC-22 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in TODD, SOUTH DAKOTA
From 20-DEC-22 04:00:00 to 24-DEC-22 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in TRIPP, SOUTH DAKOTA
From 20-DEC-22 04:00:00 to 24-DEC-22 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in STURGIS / PIEDMONT FOOTHILLS, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in SOUTHERN MEADE CO PLAINS, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in HERMOSA FOOTHILLS, SOUTH DAKOTA
From 20-DEC-22 03:00:00 to 23-DEC-22 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet