Flash Flood Warning Issued for Macon County and Decatur, Illinois

Weather Alerts high NOAA · · Central Illinois

A Flash Flood Warning is in effect for central Macon County until 7:00 AM CDT after law enforcement reported flooding on streets in Decatur.

Alert Details

The National Weather Service in Lincoln has issued a Flash Flood Warning for central Macon County in central Illinois. The warning was issued at 4:58 AM CDT following reports of active flooding in the region.

Affected Areas

The warning specifically impacts central Macon County. Locations expected to experience flash flooding include:

  • Decatur
  • Mount Zion
  • Forsyth
  • Harristown
  • Long Creek
  • Blue Mound
  • Oreana
  • Niantic
  • Decatur Airport
  • Oakley
  • Elwin
  • Boody
  • Hervey City

What You Should Do

Residents are urged to “Turn around, don’t drown” when encountering flooded roads, as most flood-related deaths occur in vehicles. Use extreme caution at night when it is significantly harder to recognize the dangers of flooding. Avoid low-lying areas, small creeks, and underpasses where water may collect.

Expected Conditions

At 4:57 AM CDT, local law enforcement reported flooding on Main Street and Water Street in Decatur. Between 1.5 and 2 inches of rain have already fallen due to thunderstorms. Additional rainfall amounts of up to 1 inch are possible in the warned area. Flash flooding is currently occurring in urban areas, small creeks, streams, highways, and poor drainage zones.

Timeline

The Flash Flood Warning is effective immediately and is scheduled to expire at 7:00 AM CDT on March 11, 2026.

Source: NOAA Official Notice

Frequently Asked Questions

What is this weather alerts alert about?
A Flash Flood Warning is in effect for central Macon County until 7:00 AM CDT after law enforcement reported flooding on streets in Decatur.
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 Central Illinois. 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.