Severe Thunderstorm Warning for Hancock and McDonough Counties, IL

Source: NOAA · West Central Illinois

This alert is no longer in effect.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 Quad Cities has issued a Severe Thunderstorm Warning for east central Hancock County and southern McDonough County in west central Illinois until 1:45 AM CDT.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
West Central Illinois
Issued
August 15, 2026
Issuing authority
NWS Quad Cities IA 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: historical. It was issued 8 days ago; use the issuing agency's live warning service for current conditions in West Central Illinois.

Alert Details

A Severe Thunderstorm Warning has been issued by the National Weather Service Quad Cities IA IL. The alert is effective from August 15, 2026 at 12:31 AM CDT until August 15, 2026 at 1:45 AM CDT.

Affected Areas

The warning covers east central Hancock County and southern McDonough County in west central Illinois. Locations impacted include Macomb, Colchester, Industry, Tennessee, Adair, Fandon, Colmar, Plymouth, Pennington Point, McDonough County 4-H Grounds, Doddsville, and Argyle Lake State Park.

What You Should Do

For protection, move to an interior room on the lowest floor of a sturdy building. Move indoors immediately due to continuous cloud-to-ground lightning. To report severe weather, contact your nearest law enforcement agency.

Expected Conditions

At 12:31 AM CDT, a severe thunderstorm was located over Tennessee, or 10 miles southwest of Macomb, moving east at 20 mph. Hazards include 60 mph wind gusts and hail up to 0.75 inches. Expect damage to roofs, siding, and trees.

Timeline

The warning is in effect from 12:31 AM CDT to 1:45 AM CDT on August 15, 2026.

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 Quad Cities has issued a Severe Thunderstorm Warning for east central Hancock County and southern McDonough County in west central Illinois until 1:45 AM CDT.
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 West 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.