⚠️ Special Weather Statement – Louisa; Henry; Henry; Mercer – Wednesday, August 12, 2026

Special Weather Statement issued August 12 at 10:57AM CDT by NWS Quad Cities IA IL

Details

At 1056 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Elmira to Boden to Wapello. Movement was
southeast at 30 mph.

HAZARD…Winds in excess of 40 mph and heavy rainfall leading to
localized flooding.

SOURCE…Radar indicated.

IMPACT…Gusty winds could cause minor tree limb damage and blow
around unsecured objects. Slowing or redirecting of traffic
due to ponding or flowing water. Closure of waterfront
access due to flooding.

Locations impacted include…
Kewanee, Aledo, Cambridge, Wapello, Galva, Burgess, Viola, Morning
Sun, Woodhull, Millersburg, Matherville, New Boston, Alpha,
Keithsburg, Andover, Eliza, Joy, Seaton, North Henderson, and
Oakville.

This includes Interstate 74 in Illinois between mile markers 25 and
33.

Instructions

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is occurring and may lead to localized flooding.
Do not drive your vehicle through flooded roadways.

A Severe Thunderstorm Watch remains in effect until 100 PM CDT for
northwestern Illinois…and southeastern Iowa.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.