FloodZoneMap.org

Flash Flood — Effingham, IL

Apr 29, 2017

Low pressure tracking along a stationary frontal boundary near the I-70 corridor brought widespread strong to severe thunderstorms to much of central and southeast Illinois during the late afternoon and evening of April 29th. A tornado briefly touched down in an open field northeast of Alexander in Morgan County. Elsewhere, thunderstorms packed winds of 60-70mph and caused significant wind damage. A downburst with estimated winds of 80mph caused property damage of around 2 million dollars in

Source: NOAA National Weather Service Storm Events Database (event 696913). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Effingham, IL

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

View Effingham County flood data →

More Flood Stories

Flood$300K damage

Effingham, IL · Dec 27, 2015

A multi-faceted storm system brought several periods of heavy rain to central and southeast Illinois from December 26th through 28th. The system began to spread rain into the region from the southwest during the early morning hours of Saturday, December 26th, with the rain…

Read the full account →
Flash Flood$75K damage

Effingham, IL · Jun 8, 2015

A cold front interacting with a warm and very humid airmass triggered several lines of strong to severe thunderstorms during the afternoon and evening of June 7th.

Read the full account →
Flash Flood

Effingham, IL · Apr 2, 2025

An area of low pressure tracked from southeastern Nebraska during the morning of April 2nd to western Wisconsin by evening, triggering two rounds of convection across central Illinois.||Round 1 occurred during the morning when a line of thunderstorms along the trailing cold…

Read the full account →
Flash Flood

Effingham, IL · Jun 30, 2025

A slow-moving cold front progressed across Illinois during the afternoon and evening of June 30th, 2025, interacting with a very moist, unstable airmass and resulting in clusters of thunderstorms.

Read the full account →