Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 80, NWS Northern Indiana

April 3, 2026Cass County, Miami County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 3, 2026, 6:32 PM EDT for Cass County, Miami County, Indiana. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 3, 2026, 6:32 PM EDT (22:32 UTC)
Expired
Apr 3, 2026, 7:15 PM EDT
In force
43 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Cass County, IN, Miami County, IN

The radar

The Northern Indiana radar (KIWX), 78 km from the middle of the area, began a volume at 22:32 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 3, 6:18 PM EDTTornado WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 215 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2026-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2026-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1023 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 3, 2:22 PM EDT, 4 hours 10 minutes earlier.

Area forecast discussion, Apr 3, 2:22 PM EDT, 4 hours 10 minutes before
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Hazardous weather outlook, Apr 3, 2:40 PM EDT, 3 hours 52 minutes before
Hazardous Weather Outlook
National Weather Service Northern Indiana
240 PM EDT Fri Apr 3 2026

INZ005>009-012>015-017-018-103-104-116-203-204-216-MIZ078>080-177-
277-041845-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-Northern La Porte-Eastern St. Joseph IN-
Northern Kosciusko-Southern La Porte-Western St. Joseph IN-
Southern Kosciusko-Cass MI-St. Joseph MI-Branch-Northern Berrien-
Southern Berrien-
240 PM EDT Fri Apr 3 2026 /140 PM CDT Fri Apr 3 2026/

...FLOOD WATCH IN EFFECT FROM 11 PM EDT  /10 PM CDT/ THIS EVENING
THROUGH SATURDAY AFTERNOON...

This Hazardous Weather Outlook is for northern Indiana and
southwest Michigan.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

Isolated thunderstorms late this afternoon and evening become
more widespread overnight. A few storms may be severe.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ020-022>027-032>034-MIZ081-OHZ001-002-004-005-015-016-024-025-
041845-
White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-
Jay-Hillsdale-Williams-Fulton OH-Defiance-Henry-Paulding-Putnam-
Van Wert-Allen OH-
240 PM EDT Fri Apr 3 2026

This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.

.DAY ONE...This afternoon and tonight.

Isolated thunderstorms late this afternoon and evening become
more widespread overnight. A few storms may be severe. Locally heavy
rainfall is possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

On Saturday, there is a risk of severe thunderstorms over northwest
Ohio. Locally heavy rainfall is possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LMZ043-046-041845-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
240 PM EDT Fri Apr 3 2026

This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Conditions hazardous to small craft are possible this weekend.

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 8:00 PM EDTSpecial Weather StatementIWXKosciusko30 min
Apr 2, 8:06 PM EDTSevere Thunderstorm WarningIWXFulton, Kosciusko, Marshall, Miami, Noble, Wabash and 1 more39 min
Apr 2, 8:30 PM EDTSevere Thunderstorm WarningIWXCass, Fulton, Miami30 min
Apr 2, 8:37 PM EDTSevere Thunderstorm WarningIWXDeKalb, LaGrange, Noble, Steuben23 min
Apr 2, 8:52 PM EDTSpecial Weather StatementIWXGrant38 min
Apr 2, 9:06 PM EDTSpecial Weather StatementIWXDeKalb, Steuben54 min
Apr 2, 9:45 PM EDTSpecial Marine WarningIWX90 min
Apr 2, 9:57 PM EDTSpecial Weather StatementIWXAllen48 min
Apr 2, 10:00 PM EDTSmall Craft AdvisoryIWX7 hr
Apr 2, 10:35 PM EDTRiver Flood WarningIWXPulaski9 days
Apr 2, 10:51 PM EDTRiver Flood WarningIWXMarshall, Saint Joseph, Starke4 days
Apr 2, 10:51 PM EDTRiver Flood WarningIWXCarroll, Pulaski, White21 days
Apr 2, 11:16 PM EDTSpecial Marine WarningIWX59 min
Apr 3, 12:39 AM EDTSpecial Marine WarningIWX51 min
Apr 3, 4:39 AM EDTRiver Flood WarningIWXAdams, Wells42 hr
Apr 3, 2:17 PM EDTFlood WatchIWXAllen, DeKalb, Elkhart, Fulton, Kosciusko, LaGrange and 8 more27 hr
Apr 3, 7:07 PM EDTSevere Thunderstorm WarningIWXGrant, Huntington, Wabash38 min
Apr 3, 7:13 PM EDTSevere Thunderstorm WarningIWXCass, Miami, Wabash25 min
Apr 3, 7:41 PM EDTTornado WarningIWXGrant, Huntington34 min
Apr 3, 1:00 AM EDTSpecial Weather StatementIWXBerrien45 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2026Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.