Flash Flood Warning Issued for Southern Illinois and Southeastern Missouri Through Early Thursday
This alert is no longer in effect.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.
The National Weather Service has issued a Flash Flood Warning for parts of Alexander, Johnson, Pulaski, and Union counties in Illinois, and Cape Girardeau County in Missouri until 6:00 AM CST.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southern Illinois and Southeastern Missouri
- Issued
- April 6, 2026
- Issuing authority
- NWS Paducah KY
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 Southern Illinois and Southeastern Missouri.
Alert Details
The National Weather Service in Paducah, KY, has issued a Flash Flood Warning (FFWPAH) for portions of southern Illinois and southeastern Missouri. This alert was issued at 12:49 AM CST on March 5, 2026, following radar indications of heavy rainfall in the region.
Affected Areas
The warning covers the following geographic regions:
- Southern Illinois: Northwestern Alexander County, Southern Johnson County, Northwestern Pulaski County, and Southern Union County.
- Southeastern Missouri: East Central Cape Girardeau County.
Specific locations expected to experience flash flooding include Cape Girardeau, Jonesboro, Vienna, Dongola, Ullin, Cypress, Belknap, Mill Creek, and East Cape Girardeau.
What You Should Do
Residents and travelers in the warned area are urged to take immediate precautions:
- Turn around, don't drown: Do not attempt to drive through flooded roads. Most flood-related deaths occur in vehicles.
- Avoid low-lying areas: Stay away from small creeks, streams, and underpasses.
- Monitor conditions: Be aware of your surroundings and move to higher ground if flooding is observed.
Expected Conditions
Doppler radar indicates that thunderstorms are producing heavy rain across the warned area. As of 12:49 AM CST, between 2 and 3 inches of rain have already fallen. Additional rainfall amounts of 1 to 2 inches are possible.
Expected impacts include flash flooding of:
- Small creeks and streams
- Urban areas and streets
- Highways and underpasses
- Poor drainage and low-lying areas
Timeline
The Flash Flood Warning is effective immediately and is scheduled to expire at 6:00 AM CST on March 5, 2026. Flash flooding is currently ongoing or expected to begin shortly.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.