Flash Flood Warning Issued for McLean, Tazewell, Woodford Counties IL

Source: NOAA · Central Illinois

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NWS Lincoln IL has issued a Flash Flood Warning for McLean County, southeastern Tazewell County, and Woodford County in central Illinois until 3:45 AM CDT June 11.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on July 5, 2026 and geographically references Central Illinois. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

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Alert Details

Flash Flood Warning issued by NWS Lincoln IL. Effective from 2026-06-10T23:46:00-05:00 until 2026-06-11T03:45:00-05:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

McLean County in central Illinois; Southeastern Tazewell County in central Illinois; Woodford County in central Illinois. Specific locations include Bloomington, Normal, Eureka, Le Roy, Heyworth, El Paso, Minonk, Roanoke, Lexington, Hudson, Chenoa, Delavan, Gridley, Minier, Danvers, Colfax, Downs, Hopedale, Goodfield and McLean.

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.

Expected Conditions

At 11:45 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible. 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 well as other poor drainage and low-lying areas.

Timeline

Alert effective immediately from June 10 at 11:46 PM CDT and remains in effect until June 11 at 3:45 AM CDT.

Original source: NOAA Official Notice ↗

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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 McLean County, southeastern Tazewell County, and Woodford County in central Illinois until 3:45 AM CDT June 11.
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.