Flash Flood Warning Issued for McLean and Champaign Counties in Illinois

Source: NOAA · Central Illinois

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NWS Lincoln IL has issued a Flash Flood Warning for McLean County and northern Champaign County until 4:45 AM CDT August 14.

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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

Flash Flood Warning issued by NWS Lincoln IL. Effective from August 14 at 1:38 AM CDT until August 14 at 4:45 AM CDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

McLean County in central Illinois and northern Champaign County in east central Illinois. Specific locations include Bloomington, Normal, Rantoul, Le Roy, Heyworth, Fisher, Hudson, Danvers, Thomasboro, Colfax, Downs, Gifford, McLean, Ogden, Saybrook, Stanford, Carlock, Towanda, Ludlow and Bellflower. Also includes Moraine View State Park and portions of Interstates 39, 55, 57 and 74.

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 at 1:38 AM CDT and expires August 14 at 4:45 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 and northern Champaign County until 4:45 AM CDT August 14.
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.