An arctic air mass enveloping the Upper Great Lakes impacted Upper Michigan with several days of bitter cold temperatures and wind chills along with prolonged moderate snow over the west to northwest wind snow belts.
Every event with a place to put it; 20 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MQT wrote it up.
An arctic air mass enveloping the Upper Great Lakes impacted Upper Michigan with several days of bitter cold temperatures and wind chills along with prolonged moderate snow over the west to northwest wind snow belts.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Marquette, MI wrote its last area forecast discussion before the first event at Jan 17, 5:30 PM EST, 13 hours 30 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
14 cold/wind chill, 5 winter weather, 1 extreme cold/wind chill. Local standard time, as filed.
The snow spotter in Twin Lakes measured a five-day lake effect snow total of 31,9 inches while the observer in Painesdale measured a five-day total of 27.4 inches.
The observer 6 miles north of Greenland measured a five-day total of 22.8 inches of lake effect snow.
Wind chill temperatures dipped into the 25 below to 40 below zero range at times from the 19th into the 21st. Most schools were closed throughout Ontonagon County on the 20th and 21st due to the bitter cold.
Wind chill temperatures dipped as cold as 35 below to 50 below zero at times from the 19th into the 21st. Schools were closed throughout the county on the 20th and 21st due to bitter cold temperatures and wind chills.
Wind chill temperatures dipped into the 25 below to 40 below zero range at times from the 19th into the 21st. Most schools were closed throughout Iron County on the 20th and 21st due to the bitter cold.
The Michigan State Police closed Highway M-28 from Kawbawgam Road in Harvey to West Shore Drive in Munising due to whiteout conditions in lake effect snow and blowing snow. The road was closed for more than four hours and then reopened just before 6 pm.
Bitter cold wind chills in the 25 below to nearly 40 below zero range were reported throughout much of the period. Schools were closed throughout Houghton County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to nearly 40 below zero range were observed throughout much of the period. Schools were closed throughout Houghton County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to 30 below zero range were reported throughout much of the period. Houghton-Keweenaw County Schools were closed on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to 35 below zero range were observed throughout much of the period. Schools were closed throughout Baraga County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to 40 below zero range were observed throughout much of the period. Schools were closed throughout Marquette County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to 35 below zero range were observed throughout much of the period. Schools were closed throughout Delta County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to 30 below zero range were observed throughout much of the period. Schools were closed throughout Alger County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to 30 below zero range were observed throughout much of the period. Schools were closed throughout Schoolcraft County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to 35 below zero range were observed throughout much of the period. Schools were closed throughout Schoolcraft County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to nearly 35 below zero range were observed throughout much of the period. Tahquamenon Schools were closed on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to nearly 40 below zero range were observed throughout much of the period. Schools were closed throughout Dickinson County on the 20th and 21st due to the bitter cold.
Bitter cold wind chills in the 25 below to 30 below zero range were observed throughout much of the period. Schools were closed throughout Menominee County on the 20th and 21st due to the bitter cold.
The observer in Ironwood measured seven inches of snow over 24 hours.
The station 7 miles north of McMillan measured 11 inches of lake effect snow in 24 hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2025Every state in 2025This day in weather historyWarnings in Michigan, January 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1229281, 1229282, 1229107, 1229106, 1229108, 1229280, 1229268, 1229269, 1229270, 1229271, 1229273, 1229275, 1229276, 1229277, 1229278, 1229279, 1229272, 1229274, 1229283, 1229287.