Severe Thunderstorm Warning for Allegan and Ottawa Counties, MI

Source: NOAA · Southwestern Michigan

This alert is no longer in effect.

NOAA issued it on August 9, 2026, 2 weeks 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.

A Severe Thunderstorm Warning is in effect for Allegan and Ottawa counties in southwestern Michigan until 4:00 PM EDT August 9, with 60 mph winds and penny-sized hail.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Southwestern Michigan
Issued
August 9, 2026
Issuing authority
NWS Grand Rapids MI

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 2 weeks ago; use the issuing agency's live warning service for current conditions in Southwestern Michigan.

Alert Details

The National Weather Service in Grand Rapids has issued a Severe Thunderstorm Warning for Allegan County and Ottawa County in southwestern Michigan. The alert is effective from 2:37 PM EDT on August 9, 2026, until 4:00 PM EDT on August 9, 2026.

Affected Areas

The warning covers Allegan County and Ottawa County. Locations impacted include Holland, Grand Haven, Allegan, Hudsonville, Zeeland, Coopersville, Wayland, Otsego, Plainwell, Fennville, Saugatuck, Martin, Beechwood, Jenison, Allendale, Dorr, Ganges, Hamilton, Douglas, and Port Sheldon.

What You Should Do

For your protection, move to an interior room on the lowest floor of a building.

Expected Conditions

At 2:37 PM EDT, severe thunderstorms were located along a line extending from 21 miles west of Grand Haven to 14 miles west of Holland to 26 miles northwest of South Haven, moving east at 35 mph. Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees.

Timeline

The warning is effective from 2:37 PM EDT August 9, 2026, until 4:00 PM EDT August 9, 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?
A Severe Thunderstorm Warning is in effect for Allegan and Ottawa counties in southwestern Michigan until 4:00 PM EDT August 9, with 60 mph winds and penny-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 Southwestern Michigan. 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.