Flash Flood Warning Issued for Madison County, Missouri Through Thursday Morning

Weather Alerts high NOAA · · Southeastern Missouri

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

Frequently Asked Questions

What is this weather alerts alert about?
The National Weather Service has issued a Flash Flood Warning for Madison County, MO, as heavy thunderstorms produce significant rainfall and ongoing flooding.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeastern Missouri. Check with NOAA for the most current geographic scope.
Where can I find more weather alerts alerts?
Browse all weather alerts alerts on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.