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Flash Flood Warning for Louisa, IA; Mercer, IL

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What you need to know

Applies to
Louisa, Mercer
Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

At 953 PM CDT, local law enforcement reported thunderstorms producing heavy rain in Water reported over Highway 17 near New Boston, IL and flooding on roadways in Grandview, IA. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts under a quarter inch are anticipated in the warned area. Flash...

What the bulletin says to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

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Full official description

Bulletin details

At 953 PM CDT, local law enforcement reported thunderstorms producing heavy rain in Water reported over Highway 17 near New Boston, IL and flooding on roadways in Grandview, IA. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts under a quarter inch are anticipated in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Aledo, Wapello, Millersburg, New Boston, Grandview, Eliza, Joy, Mannon, Toolesboro, Hamlet, Petersville, Snively Access Campground, Flaming Prairie Park, Marston, Mercer County Fairgrounds, Aledo Mercer County Airport and Gingle Corners.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Update

    Flash Flood Warning issued August 15 at 9:53PM CDT until August 16 at 3:30AM CDT by NWS Quad Cities IA IL

    Official revision
  2. Alert

    Flash Flood Warning issued August 15 at 9:23PM CDT until August 16 at 3:30AM CDT by NWS Quad Cities IA IL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Quad Cities IA IL. This page reorganizes official fields and does not add a forecast or expand the affected area.

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Update
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