Flash Flood Warning — McLean County, Illinois
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 13 at 2:10PM CDT until August 13 at 5:15PM CDT by NWS Lincoln IL
FFWILX The National Weather Service in Lincoln has issued a * Flash Flood Warning for... Northeastern De Witt County in central Illinois... Southeastern McLean County in central Illinois... Northeastern Piatt County in central Illinois... Northern Champaign County in east central Illinois... * Until 515 PM CDT. * At 206 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen since 1230 pm with the heaviest rainfall from Bloomington-Normal southeast to Saybrook and Ellsworth. Street flooding was observed over parts of Normal and Bloomington especially Willow street near ISU campus. Additional rainfall amounts of 1 to 2 inches are possible in the warned area southeast of Bloomington. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as
Effective August 13, 2026 at 3:10 PM ET · Expires August 13, 2026 at 6:15 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Lincoln IL
Expires
August 13, 2026 at 6:15 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Illinois
Hydrologic Outlook
Flood Warning
Severe Thunderstorm Watch
Flood Advisory
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Get Flash Flood Warning Alerts for McLean County
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Frequently Asked Questions
What does a Flash Flood Warning mean for McLean County, Illinois?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 13, 2026 at 6:15 PM ET.
How do I get notified about Flash Flood Warning alerts for McLean County?
Download StormCast free on Google Play and set McLean County, Illinois as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flash Flood Warning is also in effect for De Witt County, Piatt County, Champaign County.