Alert archive / Indiana / Tornado Watches in 2026

Tornado Watch 344

June 17, 202647 counties in Indiana

The Storm Prediction Center issued this tornado watch at Jun 17, 2026, 5:37 PM EDT for 47 counties in Indiana. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued: Jun 17, 2026, 5:37 PM EDT (21:37 UTC)
Expired: Jun 18, 2026, 3:00 AM EDT
In force: 9 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 70 kt

All 47 counties

Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, White County, IN

The radar

The Indianapolis radar (KIND), 43 km from the middle of the area, began a volume at 21:41 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 70%
One or more EF2 to EF5 tornadoes: 60%
Ten or more severe wind reports: 80%
One or more gusts of 65 knots or more: 70%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

38 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 17, 7:45 PM EDT	Severe Thunderstorm Warning	IND	Clay, Vigo	45 min
Jun 17, 8:15 PM EDT	Tornado Warning	IND	Clay, Parke, Putnam, Vigo	30 min
Jun 17, 8:28 PM EDT	Tornado Warning	IND	Clay, Vigo	47 min
Jun 17, 8:43 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Morgan, Putnam	47 min
Jun 17, 9:09 PM EDT	Tornado Warning	IND	Clay, Owen, Vigo	51 min
Jun 17, 9:15 PM EDT	Tornado Warning	IND	Clay, Greene, Sullivan, Vigo	45 min
Jun 17, 9:24 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Johnson, Marion, Morgan, Shelby	36 min
Jun 17, 9:28 PM EDT	Flash Flood Warning	IND	Clay, Vigo	3 hr
Jun 17, 9:37 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan, Owen	38 min
Jun 17, 9:38 PM EDT	Tornado Warning	IND	Johnson, Shelby	19 min
Jun 17, 9:48 PM EDT	Tornado Warning	IND	Monroe, Morgan, Owen	42 min
Jun 17, 9:49 PM EDT	Flash Flood Warning	IND	Clay, Owen, Putnam, Vigo	3 hr
Jun 17, 9:52 PM EDT	Tornado Warning Tornado observed	IND	Monroe, Morgan, Owen	38 min
Jun 17, 9:56 PM EDT	Severe Thunderstorm Warning	IND	Brown, Clay, Greene, Monroe, Owen, Sullivan and 1 more	34 min
Jun 17, 9:57 PM EDT	Tornado Warning Tornado observedConsiderable damage threat	IND	Bartholomew, Brown, Johnson, Monroe, Morgan	48 min
Jun 17, 10:04 PM EDT	Tornado Warning	IND	Greene, Knox, Sullivan	41 min
Jun 17, 10:13 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson, Shelby	47 min
Jun 17, 10:15 PM EDT	Tornado Warning	IND	Bartholomew, Brown, Jackson, Monroe	30 min
Jun 17, 10:28 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings, Monroe	47 min
Jun 17, 10:36 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Johnson, Shelby	39 min
Jun 17, 10:39 PM EDT	Tornado Warning	IND	Daviess, Greene, Sullivan	13 min
Jun 17, 10:42 PM EDT	Tornado Warning	IND	Bartholomew, Brown, Jackson, Jennings	33 min
Jun 17, 10:47 PM EDT	Tornado Warning	IND	Bartholomew	16 min
Jun 17, 10:52 PM EDT	Severe Thunderstorm Warning	IND	Decatur	38 min
Jun 17, 10:57 PM EDT	Severe Thunderstorm Warning	IND	Clay, Vigo	33 min
Jun 17, 11:10 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jackson, Jennings	35 min
Jun 17, 11:27 PM EDT	Severe Thunderstorm Warning	IND	Clay, Monroe, Owen	15 min
Jun 17, 11:33 PM EDT	Severe Thunderstorm Warning	IND	Brown, Jackson, Lawrence, Monroe	27 min
Jun 17, 11:50 PM EDT	Tornado Warning	IND	Bartholomew, Brown, Jackson, Lawrence, Monroe	25 min
Jun 18, 12:12 AM EDT	Tornado Warning Tornado observed	IND	Bartholomew, Decatur, Jackson, Jennings	25 min
Jun 18, 12:47 AM EDT	Severe Thunderstorm Warning	IND	Greene, Monroe, Owen	43 min
Jun 18, 12:49 AM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	41 min
Jun 18, 1:26 AM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox, Martin	49 min
Jun 18, 1:26 AM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Monroe	49 min
Jun 18, 2:07 AM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jennings	23 min
Jun 18, 2:15 AM EDT	Severe Thunderstorm Warning	IND	Daviess, Jackson, Knox, Lawrence, Martin	30 min
Jun 18, 2:37 AM EDT	Severe Thunderstorm Warning	IND	Lawrence, Martin	23 min
Jun 18, 2:46 AM EDT	Flash Flood Warning	IND	Daviess, Lawrence, Martin	3 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 166 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2139 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 239 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 9:16 AM EDT	Mesoscale Discussion	SPC	Fountain, Vermillion, Vigo, Warren	59 min
Jun 17, 11:43 AM EDT	Mesoscale Discussion	SPC	Clay, Fountain, Parke, Sullivan, Vermillion, Vigo	2 hr
Jun 17, 5:00 PM EDT	Mesoscale Discussion	SPC	Clay, Fountain, Knox, Parke, Sullivan, Vermillion and 2 more	60 min
Jun 17, 7:50 PM EDT	Mesoscale Discussion	SPC	Clay, Greene, Sullivan, Vigo	115 min

Nearby

Tornado Watches in Indiana, 2026 Every tornado watch 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.