⚠️ Special Weather Statement – Johnson; Muscatine; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren – Saturday, August 15, 2026

Special Weather Statement issued August 15 at 7:58PM CDT by NWS Quad Cities IA IL

Details

At 756 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Washington to near Douds. Movement was
east at 30 mph.

HAZARD…Winds in excess of 40 mph and 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…
Fairfield, Mount Pleasant, Washington, Wapello, Columbus Junction,
New London, Winfield, Wayland, Morning Sun, Brighton, Richland,
Ainsworth, Batavia, Birmingham, Columbus City, Libertyville,
Stockport, Lockridge, Crawfordsville, and Maharishi Vedic City.

Instructions

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

If the heavy rain continues, a flash flood warning may be needed.

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