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Home Return to list Severe Thunderstorm Warning 0065 Issued by the Grand Rapids Forecast Office
Action: New Issued At: 2026-05-18 14:07:52
978
WUUS53 KGRR 181907
SVRGRR
MIC037-057-065-073-075-182000-
/O.NEW.KGRR.SV.W.0065.260518T1907Z-260518T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Rapids MI
307 PM EDT Mon May 18 2026
The National Weather Service in Grand Rapids has issued a
* Severe Thunderstorm Warning for...
Jackson County in south central Michigan...
Ingham County in south central Michigan...
Gratiot County in central Michigan...
Southern Isabella County in central Michigan...
Clinton County in south central Michigan...
* Until 400 PM EDT.
* At 307 PM EDT, severe thunderstorms were located along a line
extending from 7 miles southeast of Howard City to near Portland to
near Homer, moving northeast at 55 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near...
Grand Ledge around 310 PM EDT.
Lansing, DeWitt, Capital Region International Airport, and
Edgemont Park around 315 PM EDT.
Jackson, Mason, St. Johns, East Lansing, and Leslie around 320 PM
EDT.
Other locations in the path of these severe thunderstorms include
Alma, Ithaca, Williamston, Elsie, St. Louis, Stockbridge, Mount
Pleasant, Shepherd and Breckenridge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across Western and Mid Michigan. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows!
&&
LAT...LON 4207 8414 4207 8471 4242 8472 4242 8460
4277 8460 4277 8484 4346 8484 4347 8508
4353 8508 4371 8461 4347 8461 4346 8437
4278 8436 4278 8416
TIME...MOT...LOC 1905Z 245DEG 50KT 4332 8535 4284 8485 4216 8476
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
CAS
Action: Continued Issued At: 2026-05-18 14:29:52
717
WWUS53 KGRR 181929
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
329 PM EDT Mon May 18 2026
MIC037-057-065-073-075-182000-
/O.CON.KGRR.SV.W.0065.000000T0000Z-260518T2000Z/
Jackson MI-Ingham MI-Gratiot MI-Isabella MI-Clinton MI-
329 PM EDT Mon May 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR JACKSON...INGHAM...GRATIOT...SOUTHERN ISABELLA AND CLINTON
COUNTIES...
At 329 PM EDT, severe thunderstorms were located along a line
extending from near Edmore to near St. Johns to 9 miles northeast of
Jonesville, moving northeast at 60 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Lansing, Jackson, Mason, Ithaca, East Lansing, Leslie, Elsie,
Vandercook Lake, Alma, St. Louis, Williamston, Mount Pleasant,
Shepherd, Breckenridge, Stockbridge and Grass Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across West and Southwest Michigan. SEEK SHELTER NOW
inside a sturdy structure and stay away from windows.
&&
LAT...LON 4207 8414 4207 8471 4242 8472 4242 8460
4277 8460 4277 8484 4346 8484 4347 8508
4353 8508 4371 8461 4347 8461 4346 8437
4278 8436 4278 8416
TIME...MOT...LOC 1929Z 244DEG 50KT 4343 8504 4295 8454 4209 8455
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
THOMAS
Action: Continued Issued At: 2026-05-18 14:51:53
353
WWUS53 KGRR 181951
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
351 PM EDT Mon May 18 2026
MIC037-057-065-073-075-182000-
/O.CON.KGRR.SV.W.0065.000000T0000Z-260518T2000Z/
Jackson MI-Ingham MI-Gratiot MI-Isabella MI-Clinton MI-
351 PM EDT Mon May 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR JACKSON...INGHAM...GRATIOT...SOUTHEASTERN ISABELLA AND EASTERN
CLINTON COUNTIES...
At 351 PM EDT, severe thunderstorms were located along a line
extending from near Shepherd to near Henderson to near Grass Lake,
moving northeast at 70 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Lansing... Jackson... Mount Pleasant...
Alma... Mason... St. Johns...
Ithaca... East Lansing... St. Louis...
Williamston... Leslie... Shepherd...
Breckenridge... Stockbridge... Brooklyn...
Grass Lake... Elsie... Edgemont Park...
Vandercook Lake... DeWitt...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across West and Southwest Michigan. SEEK SHELTER NOW
inside a sturdy structure and stay away from windows.
&&
LAT...LON 4207 8414 4207 8469 4242 8460 4277 8460
4297 8454 4346 8484 4349 8489 4358 8496
4371 8461 4347 8461 4346 8437 4278 8436
4278 8416
TIME...MOT...LOC 1951Z 243DEG 61KT 4356 8467 4308 8418 4222 8419
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
THOMAS
Action: Expired Issued At: 2026-05-18 14:57:53
487
WWUS53 KGRR 181957
SVSGRR
Severe Weather Statement
National Weather Service Grand Rapids MI
357 PM EDT Mon May 18 2026
MIC037-057-065-073-075-182005-
/O.EXP.KGRR.SV.W.0065.000000T0000Z-260518T2000Z/
Jackson MI-Ingham MI-Gratiot MI-Isabella MI-Clinton MI-
357 PM EDT Mon May 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR JACKSON...INGHAM...GRATIOT...
SOUTHEASTERN ISABELLA AND EASTERN CLINTON COUNTIES WILL EXPIRE AT 400
PM EDT...
Severe thunderstorms have moved out of Gratiot, Isabella, and
Clinton Counties. Damaging winds in excess of 60 mph are possible
for Jackson and Southeast Ingham Counties through 445 pm so a new
Severe Thunderstorm Warning has been issued. See that product for
the latest information.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
south central and central Michigan.
LAT...LON 4207 8414 4207 8469 4242 8460 4277 8460
4297 8454 4346 8484 4349 8489 4358 8496
4371 8461 4347 8461 4346 8437 4278 8436
4278 8416
TIME...MOT...LOC 1955Z 245DEG 50KT 4357 8465 4309 8416 4223 8417
$$
THOMAS
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