Tornado Warning Issued for Cass and St. Joseph Counties in Southwestern Michigan Until 3:45 PM EST

Source: NOAA · Southwestern Michigan

This alert is no longer in effect.

NOAA issued it on April 6, 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 an immediate Tornado Warning for parts of southwestern Michigan after radar indicated a severe thunderstorm capable of producing a tornado near Cassopolis.

Read this weather record in 30 seconds

Record type
Tornado Warning
Affected area
Southwestern Michigan
Issued
April 6, 2026
Issuing authority
NWS Northern Indiana

Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southwestern Michigan.

Alert Details

The National Weather Service in Northern Indiana has issued a Tornado Warning for central Cass County and northwestern St. Joseph County in southwestern Michigan. This alert was issued at 3:14 PM EST following the detection of radar-indicated rotation within a severe thunderstorm.

Affected Areas

The warning covers the following geographic regions in southwestern Michigan:

  • Central Cass County
  • Northwestern St. Joseph County

Specific locations in the path of this storm include Cassopolis, Marcellus, Vandalia, Moore Park, Dailey, La Grange, Paradise Lake, Calvin Center, Juno Lake, Donnell Lake, Penn, and Diamond Lake.

What You Should Do

TAKE COVER NOW! Residents in the warning area should immediately move to a basement or an interior room on the lowest floor of a sturdy building. Stay away from windows.

If you are outdoors, in a mobile home, or in a vehicle, you must move to the closest substantial shelter immediately to protect yourself from flying debris. Flying debris will be dangerous to those caught without shelter. Mobile homes are at high risk of being damaged or destroyed.

Expected Conditions

  • Hazards: Tornado and quarter-size hail (up to 1.00 inch).
  • Impacts: Damage to roofs, windows, and vehicles is expected. Tree damage is likely.
  • Storm Movement: At 3:14 PM EST, the storm was located near Cassopolis (8 miles northwest of Simonton Lake), moving northeast at 35 mph.

Timeline

  • Issued: 3:14 PM EST, March 6
  • Cassopolis: Expected impact around 3:20 PM EST
  • Marcellus: Expected impact around 3:40 PM EST
  • Expiration: The warning is currently set to expire at 3:45 PM EST.

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?
The National Weather Service has issued an immediate Tornado Warning for parts of southwestern Michigan after radar indicated a severe thunderstorm capable of producing a tornado near Cassopolis.
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.