Southern Indiana Weather Spotter's Reference
Current Mesoscale Discussions for the USA
Checks for Severe Potential, Heavy Rain, Heavy Snow, and Freezing Rain
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MESOSCALE DISCUSSION 2307 NWS Storm Prediction Center Norman OK 0153 PM CDT Fri Sep 18 2026 AREAS AFFECTED...northern Utah into far southwest Wyoming CONCERNING...Severe potential...Watch unlikely VALID 181853Z - 182130Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...Storms over northern Utah may gradually strengthen, with hail over 1.00" diameter and locally STRONG WIND GUSTS expected. DISCUSSION...An upper low with midlevel cooling continues to move slowly across northern NV and into southern ID this afternoon. Meanwhile, surface heating and boundary layer mixing continue within the surface trough located over eastern NV into UT. Radar trends ....... more

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MESOSCALE DISCUSSION 2306 NWS Storm Prediction Center Norman OK 0113 PM CDT Fri Sep 18 2026 AREAS AFFECTED...portions of northern Georgia into the Carolina Piedmont CONCERNING...Severe potential...Watch unlikely VALID 181813Z - 182015Z PROBABILITY OF WATCH ISSUANCE...5 percent SUMMARY...Widely scattered thunderstorms may bring some potential for isolated DAMAGING WIND GUSTS through this evening. Watch issuance is not anticipated. DISCUSSION...Widely scattered to scattered thunderstorms have begun to initiate across portions of the central Appalachians and Carolina Piedmont as surface temperatures have risen into the low-90s F amid continued insolation. Poor ....... more