Alert archive / Indiana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 71, NWS Northern Indiana

March 31, 20265 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Mar 31, 2026, 7:55 PM EDT for 5 counties in Indiana. It was in force for 35 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: Mar 31, 2026, 7:55 PM EDT (23:55 UTC)
Expired: Mar 31, 2026, 8:30 PM EDT
In force: 35 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Adams County, IN, Allen County, IN, Huntington County, IN, Wells County, IN, Whitley County, IN

The radar

The Northern Indiana radar (KIWX), 63 km from the middle of the area, began a volume at 23:57 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.

Issued	Product	Office	Lasted
Mar 31, 6:01 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.9 hours before the alert went out and 205 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 14 J/kg
Mixed-layer CIN: -280 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 447 m²/s²
0-3 km storm-relative helicity: 496 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Mar 31, 7:47 PM EDT, 8 minutes earlier.

Area forecast discussion, Mar 31, 7:47 PM EDT, 8 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Mar 31, 4:52 PM EDT, 3 hours 3 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Northern Indiana
452 PM EDT Tue Mar 31 2026

INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-012100-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
452 PM EDT Tue Mar 31 2026 /352 PM CDT Tue Mar 31 2026/

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

.DAY ONE...Tonight.

There is a Slight Risk of severe thunderstorms this evening with all
hazards possible including large hail 1 to 1.5 inches in diameter,
scattered damaging wind gusts in excess of 60 mph, and isolated
tornadoes. Locally heavy rainfall is also possible. The greatest
severe weather threat is from 6 PM to 11 PM EDT along and south of
Interstate 80.

Locally heavy rainfall is also possible tonight, with greatest
rainfall amounts expected along and south of US Route 24.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Isolated storms are possible Wednesday but severe weather is not
expected.

There are additional chances of storms Thursday and Saturday. Some of
the storms during these periods may be strong to severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

LMZ043-012100-
New Buffalo MI to St Joseph MI-
452 PM EDT Tue Mar 31 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT WEDNESDAY...

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

.DAY ONE...Tonight.

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

   Small Craft Advisory.

Small Craft Advisory.

Scattered thunderstorms are expected this evening. A few storms may
produce hail and wind gusts in excess of 35 knots.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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

   Small Craft Advisory.

Hazardous conditions for small craft are possible again late Thursday
afternoon and evening.

There are additional chances of thunderstorms Thursday and Saturday.

LMZ046-012100-
Michigan City IN to New Buffalo MI-
452 PM EDT Tue Mar 31 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT WEDNESDAY...

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

.DAY ONE...Tonight.

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

   Small Craft Advisory.

Small Craft Advisory.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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

   Small Craft Advisory.

Hazardous conditions for small craft are possible again late Thursday
afternoon and evening.

There are additional chances of thunderstorms Thursday and Saturday.

In the hours before

Local storm report, Mar 31, 7:29 PM EDT, 26 minutes before

Preliminary Local Storm Report
National Weather Service Northern Indiana
729 PM EDT Tue Mar 31 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0626 PM     Hail             2 S Claypool            41.10N 85.88W
03/31/2026  M1.00 Inch       Kosciusko          IN   Public

            1 inch hail on the south side of Burket.
            Time estimated via radar.

&&

MJ

Local storm report, Mar 31, 7:32 PM EDT, 23 minutes before

Preliminary Local Storm Report
National Weather Service Northern Indiana
732 PM EDT Tue Mar 31 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0605 PM     Tstm Wnd Dmg     1 N Talma               41.17N 86.31W
03/31/2026                   Fulton             IN   Public

            Photo on Facebook of a tree uprooted onto a
            house n SR 110 on the Marshall and Fulton
            County line. No injuries. Time estimated via
            radar.

&&

MJ

Local storm report, Mar 31, 7:35 PM EDT, 20 minutes before

Preliminary Local Storm Report
National Weather Service Northern Indiana
735 PM EDT Tue Mar 31 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0620 PM     Tstm Wnd Dmg     Beaver Dam Lake         41.09N 85.97W
03/31/2026                   Kosciusko          IN   Public

            Picture on Facebook of large tree branches
            down near Beaver Dam Lake. Public report
            also says a barn was damaged. Time estimated
            via radar.

&&

MJ

Local storm report, Mar 31, 7:36 PM EDT, 19 minutes before

Preliminary Local Storm Report
National Weather Service Northern Indiana
736 PM EDT Tue Mar 31 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0621 PM     Hail             1 ESE Palestine         41.17N 85.94W
03/31/2026  M1.00 Inch       Kosciusko          IN   Public

            Quarter size hail at Palestine Lake. Time
            estimated via radar.

&&

MJ

Local storm report, Mar 31, 7:37 PM EDT, 18 minutes before

Preliminary Local Storm Report
National Weather Service Northern Indiana
737 PM EDT Tue Mar 31 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0624 PM     Hail             3 SW Winona Lake        41.18N 85.85W
03/31/2026  M1.00 Inch       Kosciusko          IN   Public

&&

MJ

Local storm report, Mar 31, 7:49 PM EDT, 6 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 12:38 AM EDT	Special Marine Warning	IWX		67 min
Mar 31, 1:06 AM EDT	Special Marine Warning	IWX		39 min
Mar 31, 2:29 AM EDT	Special Weather Statement	IWX	LaGrange	31 min
Mar 31, 2:21 PM EDT	Special Weather Statement	IWX	Allen	24 min
Mar 31, 2:43 PM EDT	Severe Thunderstorm Warning	IWX	Allen, DeKalb	47 min
Mar 31, 5:40 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, Kosciusko, Marshall, Starke	35 min
Mar 31, 5:47 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Marshall, Saint Joseph, Starke	28 min
Mar 31, 6:07 PM EDT	Areal Flood Advisory	IWX	LaPorte, Marshall, Starke	4 hr
Mar 31, 6:11 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, Kosciusko, Marshall, Wabash, Whitley	34 min
Mar 31, 6:27 PM EDT	Tornado Warning	IWX	Kosciusko, Wabash	33 min
Mar 31, 6:37 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Huntington, Kosciusko, Wabash, Wells, Whitley	23 min
Mar 31, 6:38 PM EDT	Severe Thunderstorm Warning	IWX	Allen, DeKalb, Noble	37 min
Mar 31, 6:40 PM EDT	Tornado Warning	IWX	Huntington, Wabash, Wells, Whitley	25 min
Mar 31, 6:54 PM EDT	Severe Thunderstorm Warning	IWX	Adams, Allen, Huntington, Wells, Whitley	36 min
Mar 31, 7:01 PM EDT	Areal Flood Advisory	IWX	Kosciusko, Marshall	4 hr
Mar 31, 7:03 PM EDT	Severe Thunderstorm Warning	IWX	Allen, DeKalb	27 min
Mar 31, 7:36 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Huntington, Kosciusko, Wabash, Wells, Whitley	24 min
Mar 31, 3:10 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Henry	35 min
Mar 31, 7:10 PM EDT	Tornado Warning	IWX	Defiance, Paulding	35 min
Mar 31, 7:16 PM EDT	Tornado Warning	IWX	Paulding, Van Wert	29 min
Mar 31, 7:27 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Henry, Paulding, Putnam	33 min
Mar 31, 7:42 PM EDT	Tornado Warning	IWX	Allen, Putnam	33 min
Mar 31, 12:45 AM EDT	Special Weather Statement	IWX	Berrien	45 min
Mar 31, 1:21 AM EDT	Severe Thunderstorm Warning	IWX	Berrien	24 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2026 Every 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.