Bomb cyclone forces National Guard deployment as holiday travel collapses

Overview

A rapidly intensifying winter storm, a bomb cyclone with pressure plunging to 975 millibars, slammed the Midwest during the year's busiest travel weekend. Minnesota Governor Tim Walz declared a peacetime emergency December 28 and deployed the National Guard the next day after Freeborn County's sheriff requested help rescuing motorists stranded on whiteout highways.

Interstate 90 and Interstate 35 closed through Monday morning, and over 10,000 flights delayed nationwide Sunday, with 800+ delays and 300+ cancellations continuing Monday. Minnesota State Patrol logged nearly 400 crashes between Sunday midnight and Monday morning, with 29 involving injuries and at least one fatality in Iowa. The National Weather Service warned of 'DANGEROUS, POTENTIALLY LIFE-THREATENING' conditions as winds hit 60+ mph and snowfall reached 7 inches in some areas.

Winter Storm Ezra is the latest in a pattern of explosive storms scientists link to Arctic warming. The storm placed 10 million people under winter storm warnings and knocked out power to 350,000 customers nationwide by Monday morning—triple the Sunday total, with Michigan alone reporting 116,000 outages. Stranded travelers sheltering at a National Guard armory in Albert Lea experienced firsthand how infrastructure built for 20th-century winters isn't adequate for 21st-century conditions.

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Key Indicators

10M

People under winter storm warnings

Nearly 10 million across Midwest and Northeast under warnings at storm peak

10,000+

Flights delayed Sunday

Over 10,000 U.S. flights delayed Sunday, with 800+ delays and 300+ cancellations continuing Monday

975 mb

Bomb cyclone intensity

Central pressure dropped to ~975 millibars, meeting bomb cyclone criteria

400

Minnesota crashes through Monday AM

Nearly 400 crashes from midnight Sunday through 5:30 a.m. Monday, 31 with injuries

350K

Power outages Monday

Customers without power nationwide by Monday morning, up from 115K Sunday—Michigan hardest hit with 116K

Voices

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People Involved

Tim Walz

Authorized National Guard deployment through January 2, 2026

Organizations Involved

Minnesota National Guard

Military Reserve Component

Deployed for emergency winter storm operations through January 2

State military force responding to emergencies including floods, blizzards, and civil unrest.

Minnesota Department of Transportation

State Transportation Agency

Extended no-travel advisory for I-90 through Monday due to ongoing whiteout conditions

State agency managing 12,000+ miles of highways and coordinating emergency transportation response.

National Weather Service Twin Cities

Federal Weather Forecasting Office

Issued blizzard warnings covering central and southern Minnesota

Federal agency providing weather forecasts, warnings, and meteorological data for Minnesota and western Wisconsin.

Timeline

14 events Latest: December 29th, 2025 · 5 months ago Showing 8 of 14

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December 2025
Governor Authorizes National Guard Deployment
Latest Emergency Response

Walz activates Minnesota National Guard responding to Freeborn County Sheriff's request. Mission: rescue stranded motorists, provide emergency shelter at Albert Lea Armory.
December 29th, 2025
Minneapolis-St. Paul Airport Records 5.8 Inches
Measurement

Official measurements show 5.8" at MSP Airport. Some areas hit 7" (Burnsville). Blowing snow continues creating hazardous conditions.
December 29th, 2025 • 6:45 AM
Minnesota Crash Total Reaches 400 Through Monday Morning
Impact

Minnesota State Patrol reports nearly 400 crashes between midnight Sunday and 5:30 a.m. Monday, with 31 involving injuries and nearly 400 vehicles leaving roadways.
December 29th, 2025 • 5:30 AM
Power Outages Triple to 350,000 Customers Nationwide
Impact

60+ mph winds knock out power to over 350,000 customers by Monday morning—up from 115K Sunday. Michigan accounts for 116,000 outages, about one-third of national total.
December 29th, 2025
Flight Disruptions Continue Into Monday Recovery
Impact

Monday morning sees 800+ flight delays and 300+ cancellations as airlines struggle to recover. Weekend total exceeded 11,000 delays and 1,600 cancellations.
December 29th, 2025
I-90 Remains Closed, No-Travel Advisory Extended Overnight
Emergency Response

Interstate 90 across southwest and south-central Minnesota remains under no-travel advisory through Monday due to whiteout conditions and visibility at one-tenth mile or less.
December 29th, 2025
Bomb Cyclone Rapidly Intensifies Over Midwest
Weather Event

Arctic air clashes with warm moisture, storm pressure plunges toward 975 millibars. Blizzard warnings issued for 10 million people across Midwest and Great Lakes.
December 28th, 2025
Governor Walz Declares Peacetime Emergency
Government Action

Minnesota governor issues emergency declaration as blizzard threatens peak holiday travel. Warns storm poses 'major risk for anyone on the roads.'
December 28th, 2025
MnDOT Issues No-Travel Advisories, Closes Interstates
Emergency Response

Minnesota DOT issues no-travel advisory for I-90 and southeast highways. I-35 closed between Albert Lea and Iowa. Plows pulled from roads.
December 28th, 2025
128 Crashes Reported in Minnesota During 4-Hour Window
Impact

Minnesota State Patrol logs 67 property damage crashes, 3 injury crashes, 121 vehicles off road, 7 jackknifed semis between 5-9 p.m. Sunday.
December 28th, 2025 • 17:00-21:00
Iowa Reports Fatality, 31 Crashes
Impact

Iowa State Patrol responds to 31 weather-related crashes—22 property damage, 8 with injuries, 1 fatal. I-35 sections closed.
December 28th, 2025
10,000+ Flights Delayed Nationwide on Busiest Travel Day
Impact

Over 10,000 U.S. flights delayed, 700+ cancelled as storm disrupts travel. Chicago O'Hare issues ground stop. TSA expects 2.86M passengers.
December 28th, 2025
115,000 Lose Power Across Great Lakes Region
Impact

Ice-laden trees and power lines fail across Upper Midwest. Michigan hardest hit with ~55,000 outages, nearly half the regional total.
December 28th, 2025
Winter Storm Ezra Begins Affecting Northeast
Weather Event

Storm system brings initial snow and ice to Northeast. Over 1,500 flights cancelled, New York's Central Park receives 4 inches—most since January 2022.
December 27th, 2025

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Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

October 31 - November 3, 1991

1991 Halloween Blizzard

An unusually intense early-season storm dumped 28.8 inches on the Twin Cities and 36.9 inches on Duluth—Minnesota's metro single-storm record at the time. The blizzard struck after temperatures had been in the 50s and 60s just two days prior. Combined with an ice storm, the event left 100,000 without power for up to a week, closed 900 schools and businesses, and killed 22 people.

Then

Train traffic paralyzed, some areas saw 20-foot drifts, state ground to halt for days.

Now

Became the benchmark storm against which all future Minnesota blizzards are measured, driving investments in emergency response systems.

Why this matters now

The 1991 storm's 28.8-inch record dwarfs Winter Storm Ezra's 5.8 inches, yet Ezra still required National Guard deployment—suggesting modern vulnerability stems not from snow depth but from timing (holiday travel crush), rapid intensification (bomb cyclone), and infrastructure strain.

December 21-26, 2022

Winter Storm Elliott (December 2022)

A bomb cyclone slammed the Midwest with wind chills of -25°F to -45°F, wind gusts hitting 82 mph in Minnesota, and whiteout conditions that forced Governor Walz to mobilize the National Guard. The storm killed at least 100 people nationwide. Plows were pulled from Minnesota highways when conditions became too dangerous for operators, stranding dozens of motorists later rescued by Guard units.

Then

National Guard rescued stranded motorists in south-central Minnesota, emergency shelters opened.

Now

Established precedent for rapid Guard deployment during extreme winter weather, a playbook Walz followed again in 2025.

Why this matters now

Winter Storm Elliott set the template for Minnesota's current crisis response—peacetime emergency declaration, National Guard activation, highway closures. The 3-year interval between Elliott and Ezra requiring military intervention suggests these aren't rare century-scale events but an emerging pattern.

December 21-24, 2022

December 2022 North American Blizzard Comparison

While Minnesota battled its portion of Winter Storm Elliott, the larger system wreaked havoc across North America. Buffalo, New York was buried under feet of lake-effect snow, with 47 deaths in Erie County alone. The storm demonstrated how bomb cyclones create geographically widespread simultaneous emergencies that strain regional mutual aid systems—when everyone needs plows and rescue crews at once, no one can spare resources to help neighbors.

Then

Buffalo declared state of emergency, National Guard deployed in multiple states, hundreds stranded.

Now

Exposed systemic vulnerability: emergency response designed for localized disasters fails when bomb cyclones create multi-state crises.

Why this matters now

Winter Storm Ezra's impact—10 million under warnings from Midwest to Northeast—mirrors Elliott's geographic sprawl. The lesson: bomb cyclones don't respect jurisdictional boundaries, and states can't rely on out-of-region help when everyone's underwater simultaneously.