Severe Thunderstorm Warning Issued for Mercer and Rock Island Counties in Illinois, and Others in Iowa

Source: NOAA · Northwestern Illinois and East Central Iowa

This alert is no longer in effect.

NOAA issued it on April 16, 2026, 4 months 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.

The National Weather Service has issued a Severe Thunderstorm Warning for parts of northwestern Illinois and east central Iowa until 8:45 PM CDT, with hazards including 60 mph wind gusts and quarter-sized hail.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Northwestern Illinois and East Central Iowa
Issued
April 16, 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 4 months ago; use the issuing agency's live warning service for current conditions in Northwestern Illinois and East Central Iowa.

Alert Details

A Severe Thunderstorm Warning has been issued by the National Weather Service (NWS) Quad Cities IA IL. This alert is effective from 7:51 PM CDT on April 15, 2026, until 8:45 PM CDT on the same day.

Affected Areas

The warning affects Southwestern Rock Island County and Northern Mercer County in northwestern Illinois; Central Louisa County, Southern Cedar County, Scott County, and Muscatine County in east central Iowa. Specific locations include Davenport, Rock Island, Muscatine, West Branch, Durant, Eldridge, Milan, West Liberty, Wilton, Walcott, Blue Grass, Buffalo, Andalusia, Fruitland, Long Grove, Reynolds, Conesville, Eliza, Bennett, and Oak Grove. This includes Interstate 80 in Iowa between mile markers 254 and 296, and Interstate 280 between mile markers 1 and 15.

What You Should Do

Remain alert for a possible tornado, as tornadoes can develop quickly from severe thunderstorms. If you spot a tornado, go at once into the basement or small central room in a sturdy structure. For your protection, move to an interior room on the lowest floor of a sturdy building.

Expected Conditions

Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). These conditions are expected to cause hail damage to vehicles and wind damage to roofs, siding, and trees.

Timeline

The alert is effective from 7:51 PM CDT on April 15, 2026, and will expire at 8:45 PM CDT on April 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?
The National Weather Service has issued a Severe Thunderstorm Warning for parts of northwestern Illinois and east central Iowa until 8:45 PM CDT, with hazards including 60 mph wind gusts and quarter-sized hail.
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 Northwestern Illinois and East Central Iowa. 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.