Flash Flood Warning Issued for Central Illinois Counties

Source: NOAA · Central Illinois

This alert is no longer in effect.

NOAA issued it on August 14, 2026, 9 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 southern Peoria County, Tazewell County, northern Fulton County and southern Knox County until 10:15 AM CDT Friday.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Central Illinois
Issued
August 14, 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 9 days ago; use the issuing agency's live warning service for current conditions in Central Illinois.

Alert Details

Flash Flood Warning issued by NWS Lincoln IL. Effective from August 14, 2026 at 4:07 AM CDT until August 14, 2026 at 10:15 AM CDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

Southern Peoria County in central Illinois, Tazewell County in central Illinois, northern Fulton County in west central Illinois, and southern Knox County in west central Illinois. Specific locations include Peoria, Pekin, Galesburg, East Peoria, Morton, Canton, Washington, Bartonville, Creve Coeur, West Peoria, Abingdon, Knoxville, Marquette Heights, Farmington, Tremont, Elmwood, Bellevue, Mackinaw, Delavan and Cuba. Also affects Banner Marsh State Fish and Wildlife Area, Powerton Lake State Fish and Wildlife Area, Rice Lake State Fish and Wildlife Area, Spring Lake State Fish and Wildlife Area, Mackinaw River State Fish and Wildlife Area, Interstate 74 (mile markers 48-70 and 73-108), Interstate 155 (mile markers 12-31), and Interstate 474 (mile markers 0-14).

What You Should 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. Be aware of your surroundings and do not drive on flooded roads.

Expected Conditions

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 is flash flooding caused by thunderstorms.

Timeline

Alert effective August 14, 2026 at 4:07 AM CDT and expires August 14, 2026 at 10:15 AM CDT.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Lincoln IL has issued a Flash Flood Warning for southern Peoria County, Tazewell County, northern Fulton County and southern Knox County until 10:15 AM CDT Friday.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Central Illinois. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.