FloodZoneMap.org

Flash Flood — Portage, WI

Jun 12, 2017

A stalled front across central and east central Wisconsin was the focus for severe thunderstorms. Storms developed in southern Minnesota and a bow echo formed that made its way across Wisconsin south of Highway 29. The worst damage was around Stevens Point (Portage Co.) where thunderstorm winds downed numerous trees and power lines. Power was knocked out to 15,000 to 18,000 customers. The storms also brought torrential rainfall that caused flash flooding in Stevens Point and street flooding at s

Source: NOAA National Weather Service Storm Events Database (event 707882). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Portage, WI

This event is one of many recorded floods in Portage County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Portage County flood data →

More Flood Stories

Flood$105K damage

Portage, WI · Mar 15, 2019

Several locations across northeast Wisconsin had snow depths around a foot or more above normal for late February and early March. Temperatures across central and northern Wisconsin warmed above freezing during the daytime hours starting around March 8th.

Read the full account →
Flash Flood$700K damage

Portage, WI · Jun 22, 2002

An east to west stationary front across central Wisconsin was the focus for the development of thunderstorms. Heavy rain occurred across that part of the state during the night of June 21-22 as thunderstorms trained over the area for several hours.

Read the full account →
Flash Flood$700K damage

Portage, WI · Sep 23, 2010

An excessive rainfall event, with amounts of 3 to 6 inches, occurred across parts of central and northeast Wisconsin starting on the evening of September 22 and lasting through the morning hours of September 23.

Read the full account →
Flash Flood$300K damage

Portage, WI · Jul 19, 2011

Thunderstorms moving along a warm front encountered very unstable air across central Wisconsin where they produced damaging winds, hail and flash flooding.

Read the full account →