Flash Flood Warning Issued for Southeastern McLean County, IL
This alert is no longer in effect.
NOAA issued it on August 15, 2026, 8 days 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.
NWS Lincoln IL has issued a Flash Flood Warning for southeastern McLean County until 5:30 AM CDT due to ongoing flash flooding from thunderstorms.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southeastern McLean County, Illinois
- Issued
- August 15, 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 8 days ago; use the issuing agency's live warning service for current conditions in Southeastern McLean County, Illinois.
Alert Details
Flash Flood Warning issued by NWS Lincoln IL. Effective from August 15 at 2:19 AM CDT until August 15 at 5:30 AM CDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Southeastern McLean County in central Illinois, including Colfax, Saybrook, Bellflower, Arrowsmith, Cropsey and Anchor.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain. Between 1 and 2 inches of rain have fallen, with additional rainfall amounts up to 1 inch possible.
Timeline
Alert effective August 15 at 2:19 AM CDT. Expires August 15 at 5:30 AM CDT. Flash flooding is ongoing or expected to begin shortly.
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 (777 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 15, 2026.
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