Very cold arctic air sank into the Northern Plains in mid January 2009. The light winds of 5 to 15 mph at times caused wind chills to run 40 to 60 below zero across much of eastern North Dakota. Wind chills fell to 40 to 50 below zero Tuesday evening into Wednesday. The coldest wind chills of 40 to 60 below zero occurred Wednesday (14th) night into Thursday (15th) morning. More 40 to 50 below wind chills occurred off and on Thursday evening through Friday (16th) morning.

Cold/Wind Chill in RANSOM, NORTH DAKOTA
From 15-JAN-09 18:00:00 to 16-JAN-09 06:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in SARGENT, NORTH DAKOTA
From 14-JAN-09 06:00:00 to 14-JAN-09 13:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in SARGENT, NORTH DAKOTA
From 14-JAN-09 19:00:00 to 15-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in EDDY, NORTH DAKOTA
From 15-JAN-09 20:00:00 to 16-JAN-09 02:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in NELSON, NORTH DAKOTA
From 13-JAN-09 18:00:00 to 15-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in NELSON, NORTH DAKOTA
From 15-JAN-09 17:00:00 to 16-JAN-09 01:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in GRAND FORKS, NORTH DAKOTA
From 14-JAN-09 02:00:00 to 14-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in GRAND FORKS, NORTH DAKOTA
From 14-JAN-09 19:00:00 to 15-JAN-09 12:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in GRAND FORKS, NORTH DAKOTA
From 15-JAN-09 19:00:00 to 16-JAN-09 10:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in TRAILL, NORTH DAKOTA
From 14-JAN-09 18:00:00 to 15-JAN-09 15:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in WESTERN WALSH, NORTH DAKOTA
From 14-JAN-09 03:00:00 to 15-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in TRAILL, NORTH DAKOTA
From 15-JAN-09 19:00:00 to 16-JAN-09 11:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in BARNES, NORTH DAKOTA
From 13-JAN-09 11:00:00 to 15-JAN-09 15:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in BARNES, NORTH DAKOTA
From 15-JAN-09 18:00:00 to 16-JAN-09 08:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in CASS, NORTH DAKOTA
From 14-JAN-09 01:00:00 to 15-JAN-09 13:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in CASS, NORTH DAKOTA
From 14-JAN-09 18:00:00 to 15-JAN-09 15:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in WESTERN WALSH, NORTH DAKOTA
From 15-JAN-09 18:00:00 to 16-JAN-09 09:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in EASTERN WALSH, NORTH DAKOTA
From 14-JAN-09 03:00:00 to 14-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in EASTERN WALSH, NORTH DAKOTA
From 14-JAN-09 18:00:00 to 15-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in EASTERN WALSH, NORTH DAKOTA
From 15-JAN-09 19:00:00 to 16-JAN-09 10:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in EDDY, NORTH DAKOTA
From 13-JAN-09 18:00:00 to 15-JAN-09 18:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in SARGENT, NORTH DAKOTA
From 15-JAN-09 18:00:00 to 16-JAN-09 06:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in RICHLAND, NORTH DAKOTA
From 14-JAN-09 06:00:00 to 14-JAN-09 13:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in RICHLAND, NORTH DAKOTA
From 14-JAN-09 18:00:00 to 15-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in PEMBINA, NORTH DAKOTA
From 14-JAN-09 03:00:00 to 14-JAN-09 15:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in PEMBINA, NORTH DAKOTA
From 14-JAN-09 18:00:00 to 15-JAN-09 12:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in PEMBINA, NORTH DAKOTA
From 15-JAN-09 18:00:00 to 16-JAN-09 10:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in RICHLAND, NORTH DAKOTA
From 15-JAN-09 23:00:00 to 16-JAN-09 07:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in BENSON, NORTH DAKOTA
From 13-JAN-09 20:00:00 to 15-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in RAMSEY, NORTH DAKOTA
From 13-JAN-09 19:00:00 to 15-JAN-09 13:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in RAMSEY, NORTH DAKOTA
From 15-JAN-09 19:00:00 to 16-JAN-09 00:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in GRIGGS, NORTH DAKOTA
From 13-JAN-09 19:00:00 to 15-JAN-09 15:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in GRIGGS, NORTH DAKOTA
From 15-JAN-09 18:00:00 to 16-JAN-09 02:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in STEELE, NORTH DAKOTA
From 13-JAN-09 23:00:00 to 14-JAN-09 15:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in STEELE, NORTH DAKOTA
From 14-JAN-09 17:00:00 to 15-JAN-09 15:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in STEELE, NORTH DAKOTA
From 15-JAN-09 19:00:00 to 16-JAN-09 10:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in TRAILL, NORTH DAKOTA
From 14-JAN-09 01:00:00 to 14-JAN-09 13:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in CASS, NORTH DAKOTA
From 15-JAN-09 19:00:00 to 16-JAN-09 10:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in RANSOM, NORTH DAKOTA
From 14-JAN-09 06:00:00 to 14-JAN-09 15:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in RANSOM, NORTH DAKOTA
From 14-JAN-09 19:00:00 to 15-JAN-09 14:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in TOWNER, NORTH DAKOTA
From 14-JAN-09 03:00:00 to 14-JAN-09 23:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in TOWNER, NORTH DAKOTA
From 14-JAN-09 18:00:00 to 15-JAN-09 13:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in TOWNER, NORTH DAKOTA
From 15-JAN-09 17:00:00 to 16-JAN-09 23:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in CAVALIER, NORTH DAKOTA
From 15-JAN-09 18:00:00 to 16-JAN-09 02:00:00 (CST-6)
Reported by: ASOS

Cold/Wind Chill in CAVALIER, NORTH DAKOTA
From 14-JAN-09 03:00:00 to 15-JAN-09 12:00:00 (CST-6)
Reported by: ASOS