Winter Storm Fern is a massive, complex system affecting nearly half the U.S. population. Here's the breakdown by region as the storm progresses through the weekend.
SOUTH: DANGEROOUS ICE & POWER OUTAGE THREAT
Affected Area: Texas to the Carolinas | Timeline: Friday afternoon through Sunday
Forecast: Extremely dangerous ice accumulation up to half an inch. Heavy snow for northern parts of the region. Temperatures plummeting to 27°F in Dallas, 14°F in Little Rock, and 19°F in Nashville by Saturday morning.
Major Threat: Widespread power outages from ice accumulation on trees and power lines. Dangerous travel conditions with roads becoming impassable. States of emergency declared in AL, AR, GA, LA, MS, MO, NC, SC, TN, VA, and 134 TX counties.
MIDWEST: LIFE-THREATENING ARCTIC BLAST
Affected Area: Upper Midwest & Great Lakes | Timeline: Thursday night through Saturday
Forecast: Historic cold with wind chills to -39°F in Minneapolis and -32°F in Chicago Friday morning. Frostbite possible in 10 minutes on exposed skin. Schools closed in Chicago and parts of Minnesota.
Major Threat: Life-threatening cold without proper shelter. Danger for vulnerable populations and outdoor workers. Hypothermia and frostbite risk at extreme levels.
NORTHEAST: WEEKEND SNOW & ICE
Affected Area: Washington D.C. to Boston | Timeline: Sunday into Monday
Forecast: Brutal cold arrives Friday night, then snow and ice Sunday. Model disagreement: American model shows heavy snow for I-95 corridor (Philadelphia to Boston). European model shows more ice for NJ, Philly, DC. Snow could last until Monday morning.
Major Threat: Weekend travel disruptions along entire East Coast. Potential for significant snow accumulations or dangerous ice depending on storm track. Airlines issuing travel waivers.
STATES OF EMERGENCY DECLARED
Governors in 12 states have declared states of emergency ahead of the storm: Alabama, Arkansas, Georgia, Louisiana, Mississippi, Missouri, North Carolina, South Carolina, Tennessee, Texas, and Virginia.
North Carolina Governor Josh Stein: "Prepare to stay home for multiple days... stay off the roads unless completely necessary."