Southern Indiana Weather Spotter's Reference
Current Mesoscale Discussions for the USA

Checks for Severe Potential, Heavy Rain, Heavy Snow, and Freezing Rain
Note: This page will reload every 2 minutes. Mesoscale Discussions are listed in the order issued.
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MESOSCALE DISCUSSION 1165
NWS Storm Prediction Center Norman OK
0103 PM CDT Wed Jun 17 2026

AREAS AFFECTED...portions of northern/central Missouri...western
Illinois

CONCERNING...Severe potential...Watch likely

VALID 171803Z - 172000Z

PROBABILITY OF WATCH ISSUANCE...95 percent

SUMMARY
...Thunderstorm development likely by the afternoon with
potential for all hazards including damaging wind, large hail, and
STRONG TORNADOes.

DISCUSSION...Morning convection has moved into central/eastern
Illinois, with trailing outflow and a zone of differential heating
extending across northern Missouri into south-central Illinois. This
zone will be the focus of redevelopment
....... more


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MESOSCALE DISCUSSION 1164
NWS Storm Prediction Center Norman OK
1237 PM CDT Wed Jun 17 2026

AREAS AFFECTED...portions of the upper Mississippi River Valley

CONCERNING...Severe potential...Watch possible

VALID 171737Z - 171900Z

PROBABILITY OF WATCH ISSUANCE...60 percent

SUMMARY
...A few severe thunderstorms will develop from portions of
southeastern Minnesota into northeastern Iowa and southwestern
Wisconsin this afternoon, with a threat for primarily large hail and
strong/DAMAGING WIND GUSTS.

DISCUSSION...Regional radar imagery depicts increasing thunderstorm
activity in close proximity to a surface low analyzed west of
Minneapolis, MN, and immediately
....... more