Flash Flood Warning Issued for Adams and Pike Counties in Illinois and Marion and Ralls Counties in Missouri
This alert is no longer in effect.
NOAA issued it on May 8, 2026, 3 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 Illinois and Missouri until 9:45 PM CDT, with heavy rain expected to cause flash flooding in the affected areas.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- West Central Illinois and Northeastern Missouri
- Issued
- May 8, 2026
- Issuing authority
- NWS St Louis MO
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 3 months ago; use the issuing agency's live warning service for current conditions in West Central Illinois and Northeastern Missouri.
Flash Flood Warning in Illinois and Missouri
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in St Louis, MO. It is effective from 4:52 PM CDT until 9:45 PM CDT.
Affected Areas
The warning affects Adams County in Illinois, Northwestern Pike County in Illinois, Central Marion County in Missouri, and Northern Ralls County in Missouri. Specific locations include Quincy, Hannibal, Palmyra, Monroe City, Quincy Regional Airport, Camp Point, Payson, New London, Clayton, Golden, Fall Creek, Center, Beverly, Rensselaer, Spaulding, Adams, Kingston, Burton, Liberty, and Hull. This includes highways such as Interstate 72 between exits 4 and 10, and Interstate 172 between exits 2 and 19.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain, with between 1 and 2 inches of rain already fallen. Additional rainfall amounts of 1 to 2 inches are possible, leading to flash flooding caused by thunderstorms. This includes flash flooding of small creeks and streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying areas.
Timeline
The alert is effective from 4:52 PM CDT on April 27, 2026, and expires at 9:45 PM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,422 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 8, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.