FloodZoneMap.org

Flood — Alexander, IL

Apr 27, 2017

Short lines of thunderstorms developed ahead of a cold front that extended from the Chicago area southwest across the eastern Ozark Mountains of south central Missouri. Filtered sunshine allowed some warming and destabilization to occur ahead of developing thunderstorms over southeast Missouri. Organized storm structures evolved in an environment of moderate instability and rather strong deep-layer wind shear. Locally damaging winds accompanied small bowing lines of storms, especially north and

Source: NOAA National Weather Service Storm Events Database (event 690722). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Alexander, IL

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

View Alexander County flood data →

More Flood Stories

Flash Flood$150K damage

Alexander, IL · Jul 19, 2023

Major flash flooding struck parts of far southern Illinois. The hardest hit counties were Alexander, Pulaski, and Massac in the southern tip of Illinois.

Read the full account →
Flood$2.0M damage

Alexander, IL · Jun 1, 2019

Several rivers remained above flood stage from May. On the Mississippi River, major flooding continued through the month of June. Backwater from the Mississippi kept moderate flooding going on the lowest reaches of the Ohio River as well as the Big Muddy River.

Read the full account →
Flash Flood$25K damage

Alexander, IL · Aug 14, 2023

A large complex of thunderstorms moved slowly southeast across southeast Missouri into southwest Illinois, producing torrential downpours. The storms occurred south of a stationary front that extended from east central Missouri to southwest Indiana.

Read the full account →
Flood$4.5M damage

Alexander, IL · Jan 1, 2016

Flooding along parts of the Mississippi River surpassed the Great Flood of 1993. Along most other rivers, the flooding was relatively minor. The Governor of Illinois declared some counties disaster areas, including the Mississippi River counties of Alexander and Jackson.

Read the full account →