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 0936 NWS Storm Prediction Center Norman OK 1251 PM CDT Mon Jun 01 2026 AREAS AFFECTED...Northeast CO...NE Panhandle...southeast WY...far southwest SD CONCERNING...Severe potential...Watch likely VALID 011751Z - 012015Z PROBABILITY OF WATCH ISSUANCE...80 percent SUMMARY...Severe storms are initially expected along the higher terrain before spreading eastward into this evening. Large to very large hail and severe gusts are the main concerns. One or more watches are likely this afternoon. DISCUSSION...Increasingly agitated boundary-layer cumulus is evolving along the higher terrain from CO into WY this afternoon. Continued diurnal heating ....... more

MESOSCALE DISCUSSION 0935 NWS Storm Prediction Center Norman OK 1231 PM CDT Mon Jun 01 2026 AREAS AFFECTED...south-central Missouri...northern/central Arkansas CONCERNING...Severe potential...Tornado Watch likely VALID 011731Z - 011930Z PROBABILITY OF WATCH ISSUANCE...80 percent SUMMARY...Thunderstorm development is likely over the next 1-2 hours. Hazards will include DAMAGING WINDS and hail. DISCUSSION...An outflow boundary continues to sag south and westward across south-central MO into northern AR this afternoon. Cumulus development along this boundary has become increasingly agitated over the last hour. Thunderstorm development is likely over the next 1-2 ....... more