Moderate Risk Wisconsin  ·  Tornado / Flash Flooding

Marathon County WI

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

5/ 10
Threat Score
Population
139
Area
1,545
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
5
federally declared

Marathon County anchored by Wausau in central Wisconsin faces moderate tornado risk and flooding from the Wisconsin River. The Wisconsin River has flooded communities in the county. Wausau serves as the regional hub for central Wisconsin emergency coordination and hosts the Rib Mountain ski area. The county faces serious winter storm risk and has experienced tornado events.

// Preparedness Recommendations

  • Evacuation routes inland should be identified in advance.
  • Store at least 72 hours of food and water.
  • Elevate critical belongings above flood level.
  • Have backup power ready in case of grid failure.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 5 / 10    Moderate Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Winter Storm
FEMA Flood Zone Moderate
Federally Declared Disasters 5
Last Major Event 2018 Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (715) 261-1900
Emergency Shelters 6 designated facilities
Evacuation Routes I-39 US-51 WI-29 WI-153

// County Profile

County Marathon County WI
State Wisconsin (WI)
Population 139
Area 1,545 sq miles
FEMA Region Moderate

// Major Cities

Wausau WI

// Cities in This County

// Other Wisconsin Counties