ACUS11 KWNS 270021
SWOMCD
SPC MCD 270021=20
INZ000-ILZ000-270115-

Mesoscale Discussion 0294
NWS Storm Prediction Center Norman OK
0721 PM CDT Thu Mar 26 2026

Areas affected...Central portions of Illinois and Indiana

Concerning...Severe Thunderstorm Watch 76...

Valid 270021Z - 270115Z

The severe weather threat for Severe Thunderstorm Watch 76
continues.

SUMMARY...The risk for large hail and damaging winds continues
across the watch area.

DISCUSSION...A south/southeast-moving cold front extended across
central portions of IN/IL at 00z, with scattered strong/severe
storms located in the vicinity of the front, primarily across the IN
portion of the watch. These storms have a history of wind damage and
large hail up to the size of golfballs. The downstream environment
will remain favorable for a continued severe threat through 03-04z
with upwards of 1000 J/kg MLCAPE and sufficient shear for organized
storms.

Farther west, some increase in reflectivity has been noted with
convective elements along the front over far west-central IL.
High-res guidance, notably recent runs of the HRRR, suggests that
additional thunderstorm development will be possible over the next
couple of hours, with some severe hail/wind threat accompanying the
strongest storms.

..Bunting.. 03/27/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_XLJI-fE761YcFuqa2MW3YAb_HZc2vn7T3YW3klPfQDSMuRtr6PsmYNodqYekOQQIA8401g6a= Jf5eALYU0aw_em0_us$ for graphic product...

ATTN...WFO...ILN...IWX...IND...LOT...ILX...LSX...DVN...

LAT...LON 40719094 40989005 40958942 40768835 40608756 40518696
40578643 40728591 40948553 40798491 40018485 39798536
39568665 39528745 39538816 39518889 39568979 39519103
40219147 40719094=20

MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


=3D =3D =3D
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