NWS Lincoln ILFF.W 0081August 21, 2026
Flash Flood Warning: Marshall, IL
The National Weather Service office in Lincoln issued a flash flood warning for Marshall in Illinois, which was in force until 11:45 p.m. local time on August 21. It was the 81st flash flood warning the NWS office in Lincoln issued in 2026. Illinois had 56 flash flood warnings in August 2026, against 16 in an average August of 2008-2025 (Illinois's flash flood warnings by year).
ExpiredWarning
In force for 3.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Lincoln IL
- Area
- Marshall
- State
- Illinois
- Level
- Warning
- Issued
- 8:40 p.m. CDT, August 21, 2026
- Expires
- 11:45 p.m. CDT, August 21, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KILX FF.W 0081
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWILX The National Weather Service in Lincoln has issued a * Flash Flood Warning for... Eastern Marshall County in central Illinois... * Until 1145 PM CDT. * At 840 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Toluca and Wenona.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.