Alert archive / Michigan / Tornado Warnings in 2026
Tornado Warning 2, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at Mar 6, 2026, 3:38 PM EST for Cass County, Saint Joseph County, Michigan. It was in force for 37 min. 7 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 6, 2026, 3:38 PM EST (20:38 UTC)
- Expired
- Mar 6, 2026, 4:15 PM EST
- In force
- 37 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Cass County, MI, Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 62 km from the middle of the area, began a volume at 20:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 6, 3:46 PM EST | TORNADO | 2 Sw Three Rivers, MI | Video sent in showing a tornado hitting the Menards store and lifted at least a portion of the roof off on main building. Their storage unit nearby was also damaged by the tornado. Debris seen flying around the circulation on the video, taken near US 131/M-60 |
| Mar 6, 3:48 PM EST | TORNADO | 3 Wsw Three Rivers, MI | Video relayed by broadcast media taken looking north at Three Rivers Waste Management facility. Tornado observed on the ground. Time estimated via radar. |
| Mar 6, 3:49 PM EST | HAIL 1 | Three Rivers, MI | Photo of hail up to a quarter in diameter in a photo taken on Marcellus Rd in Three Rivers. Time estimated via radar. |
| Mar 6, 3:50 PM EST | TORNADO | Three Rivers, MI | Numerous videos from storm chasers, trained spotters, broadcast media, and the public confirm a tornado in Three Rivers Michigan. Time estimated via radar. |
| Mar 6, 3:51 PM EST | HAIL 1.75 | 1 Ese Fishers Lake, MI | Photo on Facebook shows a hailstone measured to be 1.75 inches. Public reports it fell between Mendon and Three Rivers. Time estimated via radar. |
| Mar 6, 3:52 PM EST | TORNADO | 1 Sw Three Rivers, MI | Numerous reports of significant damage on the southwest side of Three Rivers. Storm chasers and Emergency Management confirmed multiple tornado touchdowns prior to the damage. |
| Mar 6, 3:58 PM EST | HAIL 0.75 | 2 Se Moore Park, MI | Report from mPING: Dime (0.75 in.). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 8.6 hours before the alert went out and 210 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
560
WFUS53 KIWX 062038
TORIWX
MIC027-149-062115-
/O.NEW.KIWX.TO.W.0002.260306T2038Z-260306T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Northern Indiana
338 PM EST Fri Mar 6 2026
The National Weather Service in Northern Indiana has issued a
* Tornado Warning for...
East central Cass County in southwestern Michigan...
Northwestern St. Joseph County in southwestern Michigan...
* Until 415 PM EST.
* At 337 PM EST, a severe thunderstorm capable of producing a tornado
was located 8 miles south of Marcellus, or 9 miles west of Three
Rivers, moving northeast at 40 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Three Rivers around 345 PM EST.
Other locations impacted by this tornadic thunderstorm include Jones,
Nottawa, Moore Park, Corey Lake, Paradise Lake, Clear Lake, Fishers
Lake, Shavehead Lake, and Wasepi.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4184 8588 4189 8591 4207 8561 4192 8544
TIME...MOT...LOC 2037Z 239DEG 34KT 4190 8581
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
FISHER3 follow-up statements
044
WWUS53 KIWX 062049
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
349 PM EST Fri Mar 6 2026
MIC027-062058-
/O.CAN.KIWX.TO.W.0002.000000T0000Z-260306T2115Z/
Cass MI-
349 PM EST Fri Mar 6 2026
...THE TORNADO WARNING FOR EAST CENTRAL CASS COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4188 8576 4198 8576 4207 8561 4192 8544
TIME...MOT...LOC 2048Z 239DEG 33KT 4194 8570
$$
MIC149-062115-
/O.CON.KIWX.TO.W.0002.000000T0000Z-260306T2115Z/
St. Joseph MI-
349 PM EST Fri Mar 6 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EST FOR
NORTHWESTERN ST. JOSEPH COUNTY...
At 348 PM EST, a severe thunderstorm capable of producing a tornado
was located near Three Rivers, moving northeast at 40 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Three Rivers around 355 PM EST.
Other locations impacted by this tornadic thunderstorm include Clear
Lake, Nottawa, Moore Park, Corey Lake, Fishers Lake, and Wasepi.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4188 8576 4198 8576 4207 8561 4192 8544
TIME...MOT...LOC 2048Z 239DEG 33KT 4194 8570
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
FISHER346
WWUS53 KIWX 062052
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
352 PM EST Fri Mar 6 2026
MIC149-062115-
/O.CON.KIWX.TO.W.0002.000000T0000Z-260306T2115Z/
St. Joseph MI-
352 PM EST Fri Mar 6 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EST FOR
NORTHWESTERN ST. JOSEPH COUNTY...
At 352 PM EST, a large and extremely dangerous tornado was located
over Three Rivers, moving northeast at 40 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Radar indicated rotation.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
The tornado will be near...
Three Rivers and Centreville around 355 PM EST.
Other locations impacted by this tornadic thunderstorm include Moore
Park, Fishers Lake, Nottawa, and Wasepi.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, TAKE COVER NOW! Move to
a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4191 8571 4198 8574 4207 8561 4192 8544
TIME...MOT...LOC 2052Z 246DEG 33KT 4195 8566
TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.00 IN
$$
FISHER730 WWUS53 KIWX 062116 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 416 PM EST Fri Mar 6 2026 MIC149-062125- /O.EXP.KIWX.TO.W.0002.000000T0000Z-260306T2115Z/ St. Joseph MI- 416 PM EST Fri Mar 6 2026 ...THE TORNADO WARNING FOR NORTHWESTERN ST. JOSEPH COUNTY HAS EXPIRED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been allowed to expire. && LAT...LON 4191 8571 4198 8574 4207 8561 4192 8544 TIME...MOT...LOC 2115Z 239DEG 34KT 4206 8542 $$ FISHER
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 9:06 PM EST | Dense Fog Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 14 hr |
| Mar 6, 3:14 PM EST | Tornado Warning | IWX | Cass, Saint Joseph | 31 min |
| Mar 6, 4:03 PM EST | Tornado Warning | IWX | Branch, Saint Joseph | 27 min |
| Mar 6, 4:26 PM EST | Tornado Warning | IWX | Branch, Saint Joseph | 20 min |
| Mar 6, 5:43 PM EST | Tornado Warning | IWX | Hillsdale | 22 min |
| Mar 6, 6:23 PM EST | Severe Thunderstorm Warning | IWX | Berrien, Cass | 37 min |
| Mar 6, 6:50 PM EST | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 25 min |
Nearby
Tornado Warnings in Michigan, 2026Every tornado warning in 2026Tornadoes in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.