An Arctic air mass settled over the Northern Plains for a prolonged period, producing bitterly cold temperatures and extremely low wind chills. Low temperatures were well below zero across the area, with wind chills as low as 35 below to 50 below zero.

Cold/Wind Chill in JACKSON, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 16-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in BENNETT, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 16-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in MELLETTE, SOUTH DAKOTA
From 14-FEB-21 01:00:00 to 16-FEB-21 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in TODD, SOUTH DAKOTA
From 14-FEB-21 01:00:00 to 16-FEB-21 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in TRIPP, SOUTH DAKOTA
From 14-FEB-21 01:00:00 to 16-FEB-21 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in HARDING, SOUTH DAKOTA
From 11-FEB-21 23:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in PERKINS, SOUTH DAKOTA
From 11-FEB-21 22:00:00 to 16-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in BUTTE, SOUTH DAKOTA
From 11-FEB-21 23:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in NORTHERN MEADE CO PLAINS, SOUTH DAKOTA
From 11-FEB-21 23:00:00 to 16-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in ZIEBACH, SOUTH DAKOTA
From 11-FEB-21 23:00:00 to 16-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in SOUTHERN MEADE CO PLAINS, SOUTH DAKOTA
From 12-FEB-21 23:00:00 to 16-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in HAAKON, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 16-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in NORTHERN FOOT HILLS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in NORTHERN BLACK HILLS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 14-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in STURGIS / PIEDMONT FOOTHILLS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in CENTRAL BLACK HILLS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in RAPID CITY, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Cold/Wind Chill in PENNINGTON CO PLAINS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 16-FEB-21 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in SOUTHERN BLACK HILLS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in HERMOSA FOOTHILLS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in CUSTER CO PLAINS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in FALL RIVER, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in SOUTHERN FOOT HILLS, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in OGLALA LAKOTA, SOUTH DAKOTA
From 14-FEB-21 00:00:00 to 15-FEB-21 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS