Illinois, 2025

Flash Flooding in Illinois, July 19, 2025

July 19, 2025 · NWS DVN · 3 events in 1 county or zone

A decaying line of thunderstorms moved into Muscatine on the morning of July 19th. This produced heavy rain with trained spotters reports ranging from 3 to 4 inches of rain.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS DVN wrote it up.

A decaying line of thunderstorms moved into Muscatine on the morning of July 19th. This produced heavy rain with trained spotters reports ranging from 3 to 4 inches of rain. This rain falling on already saturated ground led to flash flooding in Macomb.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before the first event at Jul 18, 5:46 PM CST, 15 hours 59 minutes earlier.

Area forecast discussion, Jul 18, 5:46 PM CST, 15 hours 59 minutes before
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The radar

The Lincoln radar (KILX), 129 km away, was scanning. The volume nearest the first event began at 15:43 UTC.

Open the radar archive at this moment

Event by event

3 flash flood. Local standard time, as filed.

Flash Flood, McDonough

When
July 19, 9:45 AM CST to 12:30 PM CST
Where
McDonough County, 2.14 mi SSE of Tennessee to 3.22 mi NE of Fandon
Cause
Heavy Rain
Reported by
State Official
Coordinates
40.390, -90.820

Rural roads were covered with water from area creeks.

Flash Flood, McDonough

When
July 19, 9:55 AM CST to 12:30 PM CST
Where
McDonough County, 0.87 mi SE of Colchester to 1.2 mi SSW of Colchester
Cause
Heavy Rain
Reported by
Broadcast Media
Coordinates
40.420, -90.790

Broadcast Media 3-4 inches of standing water in yards and side streets. Ditches have begun overflowing onto side streets.

Flash Flood, McDonough

When
July 19, 10:17 AM CST to 12:30 PM CST
Where
McDonough County, 0.69 mi S of Macomb to 0.71 mi S of Macomb
Cause
Heavy Rain
Reported by
Broadcast Media
Coordinates
40.460, -90.670

Broadcast Media reported flooded streets with 4 to 6 inches of water.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Illinois in 2025Every state in 2025This day in weather historyWarnings in Illinois, July 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1282377, 1282378, 1282379.