Tornado Warning Issued for St. Joseph and Branch Counties in Southwestern Michigan

Source: NOAA · Southwestern Michigan

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The National Weather Service has issued a Tornado Warning for parts of St. Joseph and Branch counties until 5:00 PM EST following radar-indicated rotation near Colon.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on March 11, 2026 and geographically references Southwestern Michigan. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Tornado Warning, Michigan) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The National Weather Service in Northern Indiana has issued a Tornado Warning for portions of southwestern Michigan. The alert is effective immediately and remains in place until 5:00 PM EST.

Affected Areas

The warning covers the following geographic regions:

  • Northeastern St. Joseph County in southwestern Michigan
  • Northwestern Branch County in southwestern Michigan

Specific locations in the path of the storm include Union City, Sherwood, and Leonidas. The warning also encompasses Interstate 69 in Michigan near mile marker 21.

What You Should Do

TAKE COVER NOW! Residents in the warned area should move to a basement or an interior room on the lowest floor of a sturdy building and stay away from windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter immediately to protect yourself from flying debris.

Expected Conditions

At 4:26 PM EST, a severe thunderstorm capable of producing a tornado was located near Colon, approximately 15 miles northwest of Coldwater. The storm is moving east at 35 mph. Hazards associated with this cell include a tornado and quarter-size hail.

Impacts include dangerous flying debris for those without shelter. Mobile homes may be damaged or destroyed. Damage to roofs, windows, and vehicles is expected, along with likely tree damage.

Timeline

The Tornado Warning was issued at 4:26 PM EST on March 6 and is scheduled to expire at 5:00 PM EST. The storm was tracked moving through the area at 35 mph, reaching Union City around 4:30 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 a Tornado Warning for parts of St. Joseph and Branch counties until 5:00 PM EST following radar-indicated rotation near Colon.
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.