* WHAT…Heat index values up to 108.
* WHERE…Fayette, Lamar, and Marion Counties.
* WHEN…Until 7 PM CDT Wednesday.
* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.
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SPC – No watches are valid as of Tue Jun 24 17:39:01 UTC 2025
No watches are valid as of Tue Jun 24 17:39:01 UTC 2025.
SPC MD 1426
MD 1426 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR PORTIONS OF FAR NORTHEAST ILLINOIS INTO NORTHERN INDIANA...SOUTHERN LOWER MICHIGAN...AND EXTREME NORTHWEST OHIO Mesoscale Discussion 1426 NWS Storm Prediction Center Norman OK 1236 PM CDT Tue Jun 24 2025 Areas affected...portions of far northeast Illinois into northern Indiana...southern Lower Michigan...and extreme northwest Ohio Concerning...Severe potential...Watch unlikely Valid 241736Z - 241930Z Probability of Watch Issuance...20 percent SUMMARY...The risk for isolated damaging gusts will increase through the afternoon. A Severe Thunderstorm Watch issuance is not currently expected. DISCUSSION...Thunderstorms are developing along the periphery of an upper ridge, where moderate buoyancy (e.g. 1500-2000 J/kg MLCAPE) has
SPC Jun 24, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1225 PM CDT Tue Jun 24 2025 Valid 251200Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM THE CAROLINAS TO THE SOUTHEAST... ...SUMMARY... Severe wind gusts are possible over much of the Southeast, with widely scattered strong to severe storms possible from the northern High Plains eastward toward the Mid Atlantic. ...Synopsis... The CONUS pattern will feature a trough across the western CONUS and a strong ridge across the eastern CONUS Wednesday morning. This pattern will deamplify during the period. A strong