Flash Flood Warning Issued for Madison County, Missouri Through Thursday Morning
The National Weather Service has issued a Flash Flood Warning for Madison County, MO, as heavy thunderstorms produce significant rainfall and ongoing flooding.
Alert Details
The National Weather Service in St Louis has issued a Flash Flood Warning for Madison County in southeastern Missouri. The alert was issued at 2:27 AM CST on March 5, 2026, and is effective immediately.
Affected Areas
The warning covers Madison County. Specific locations expected to experience flash flooding include:
- Fredericktown
- Junction City
- Cobalt
- Marquand
- Buckhorn
- Saco
- Roselle
- Catherine Place
- Mine La Motte
What You Should Do
Residents are urged to follow the safety mantra: “Turn around, don’t drown when encountering flooded roads.” Most flood-related fatalities occur in vehicles. Avoid driving through flooded highways, streets, or underpasses, and stay away from small creeks and streams that may overflow.
Expected Conditions
At 2:27 AM CST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have already fallen. The expected rainfall rate is 1 to 2 inches per hour, with additional rainfall amounts of 1 to 2 inches possible. Flash flooding is currently ongoing or expected to begin shortly, impacting urban areas and low-lying regions with poor drainage.
Timeline
The Flash Flood Warning is in effect until 8:00 AM CST on Thursday, March 5, 2026.
Source: NOAA Official Notice
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