Very strong winds developed over northwest Iowa on Christmas night and continued into the morning of December 26th. The southwest to west winds developed as a low pressure system, which had brought rain and thunderstorms on Christmas Day, moved just north of the area. Sustained winds reached up to 45 mph, and gusts were measured as high as 63 mph.

High Wind in LYON, IOWA
From 25-DEC-16 21:00:00 to 26-DEC-16 06:00:00 (CST-6)
Magnitude: 35.00 ES
Crop damage: 0.00K
Reported by: Law Enforcement

High winds from a westerly direction followed a low pressure system which had brought Christmas Day rain and thunderstorms. There were several reports of power lines and branches down and resulting power outages, and traffic lights and some signs were damaged. The winds included estimated sustained winds of 40 mph and gusts to near 60 mph.

High Wind in OSCEOLA, IOWA
From 25-DEC-16 21:00:00 to 26-DEC-16 06:00:00 (CST-6)
Magnitude: 54.00 MG
Crop damage: 0.00K
Reported by: Department of Highways

High winds from a westerly direction followed a low pressure system which had brought Christmas Day rain and thunderstorms. There were several reports of power lines and branches down and resulting power outages, and traffic lights and some signs were damaged. The winds included a measured gust of 62 mph near Sibley.

High Wind in PLYMOUTH, IOWA
From 25-DEC-16 21:00:00 to 26-DEC-16 06:00:00 (CST-6)
Magnitude: 53.00 MG
Crop damage: 0.00K
Reported by: AWOS

High winds from a westerly direction followed a low pressure system which had brought Christmas Day rain and thunderstorms. There were several reports of power lines and branches down and resulting power outages, and traffic lights and some signs were damaged. The winds included a measured gust of 61 mph at Le Mars Airport.

High Wind in CHEROKEE, IOWA
From 25-DEC-16 21:00:00 to 26-DEC-16 06:00:00 (CST-6)
Magnitude: 35.00 ES
Crop damage: 0.00K
Reported by: Law Enforcement

High winds from a westerly direction followed a low pressure system which had brought Christmas Day rain and thunderstorms. There were several reports of power lines and branches down and resulting power outages, and traffic lights and some signs were damaged. The winds were estimated at a sustained 40 mph. A gust to 53 mph at was reported at Cherokee Airport, with estimated gusts around 60 mph.

High Wind in DICKINSON, IOWA
From 25-DEC-16 23:00:00 to 26-DEC-16 05:00:00 (CST-6)
Magnitude: 53.00 MG
Crop damage: 0.00K
Reported by: COOP Observer

High winds from a westerly direction followed a low pressure system which had brought Christmas Day rain and thunderstorms. There were several reports of power lines and branches down and resulting power outages, and traffic lights and some signs were damaged. The winds included a measured gust of 62 mph near Sibley.

High Wind in WOODBURY, IOWA
From 25-DEC-16 21:00:00 to 26-DEC-16 06:00:00 (CST-6)
Magnitude: 53.00 MG
Crop damage: 0.00K
Reported by: ASOS

High winds from a westerly direction followed a low pressure system which had brought Christmas Day rain and thunderstorms. There were several reports of power lines, branches, and large limbs down and resulting power outages. Traffic lights and some signs were damaged. The winds included a measured gust of 61 mph at Sioux City Airport.

High Wind in O'BRIEN, IOWA
From 25-DEC-16 21:00:00 to 26-DEC-16 06:00:00 (CST-6)
Magnitude: 51.00 MG
Crop damage: 0.00K
Reported by: AWOS

High winds from a westerly direction followed a low pressure system which had brought Christmas Day rain and thunderstorms. There were several reports of power lines and branches down and resulting power outages. Around 800 electric customers in Sheldon were temporarily without power. Traffic lights and some signs were damaged. The winds included a measured gust of 59 mph at Sheldon Airport.

High Wind in SIOUX, IOWA
From 25-DEC-16 21:00:00 to 26-DEC-16 06:00:00 (CST-6)
Magnitude: 55.00 MG
Crop damage: 0.00K
Reported by: AWOS

High winds from a westerly direction followed a low pressure system which had brought Christmas Day rain and thunderstorms. There were several reports of power lines, branches, and a few large limbs down, and resulting power outages. At least 1000 electric customers were temporarily without power. Traffic lights and some signs were damaged. The winds included a measured gust of 63 mph at Orange City Airport.