Severe Thunderstorm Warning for Central Illinois Counties

Source: NOAA · Central Illinois

If you are in immediate danger, call emergency services now.

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NWS Lincoln IL has issued a Severe Thunderstorm Warning for seven Illinois counties until 4:45 AM CDT on August 15, 2026, with 60 mph wind gusts and flash flood risk.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Central Illinois
Issued
August 15, 2026
Issuing authority
NWS Lincoln IL

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

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

Severe Thunderstorm Warning issued by NWS Lincoln IL. Effective from 3:43 AM CDT to 4:45 AM CDT on August 15, 2026.

Affected Areas

Cass County, Fulton County, Mason County, Menard County (western), Morgan County (northern), Schuyler County, and Tazewell County (southwestern) in central and west central Illinois.

What You Should Do

Move to an interior room on the lowest floor of a building. Do not drive your vehicle through flooded roadways.

Expected Conditions

Severe thunderstorms with 60 mph wind gusts capable of damaging roofs, siding, and trees. Torrential rainfall may lead to flash flooding.

Timeline

Alert in effect until 4:45 AM CDT on August 15, 2026. Storms moving east at 40 mph.

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 Severe Thunderstorm Warning for seven Illinois counties until 4:45 AM CDT on August 15, 2026, with 60 mph wind gusts and flash flood risk.
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.