Flash Flood Warning Issued for Macon County and Decatur, Illinois
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
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.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Central Illinois
- Issued
- April 6, 2026
- Issuing authority
- NWS Lincoln IL
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Central Illinois.
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.
Original source: NOAA Official Notice ↗
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