Full Notification

Severe Thunderstorm Warning
National Weather Service Northern Indiana
113 PM EDT Mon May 18 2026
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
  St. Joseph County in north central Indiana...
  Marshall County in north central Indiana...
* Until 200 PM EDT.
* At 112 PM EDT, a severe thunderstorm was located over Koontz Lake,
  or 10 miles northeast of Knox, moving east at 65 mph.
  HAZARD...60 mph wind gusts.
  SOURCE...Radar indicated.
  IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
  South Bend, Mishawaka, Plymouth, Bremen, Gulivoire Park, Granger,
  Osceola, Walkerton, North Liberty, New Carlisle, Bourbon,
  Lakeville, Roseland, Koontz Lake, La Paz, Indian Village,
  Teegarden, Chain-o-lakes, Crumstown, and Tyner.
This includes Interstate 80 in Indiana between mile markers 62 and
87.

Instructions:

For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4152 8650 4156 8650 4157 8649 4165 8649
4165 8653 4176 8652 4176 8606 4127 8606
4123 8647 4143 8647 4143 8652 4151 8653
TIME...MOT...LOC 1712Z 248DEG 56KT 4142 8650
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH