WW 319 SEVERE TSTM IL IN OH 120145Z - 120700Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 319 NWS Storm Prediction Center Norman OK 945 PM EDT Thu Jun 11 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast Illinois Central and Southern Indiana Western into Central Ohio * Effective this Thursday night and Friday morning from 945 PM until 300 AM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...A mature squall line will likely progress east into the Watch area through this evening into tonight. Strong to severe gusts ranging from 55 to 70 mph will be capable of wind damage within the more intense surges of the line. A brief tornado or two with an embedded mesovortex is also possible. The severe thunderstorm watch area is approximately along and 45 statute miles north and south of a line from 40 miles southwest of Mattoon IL to 60 miles east northeast of Dayton OH. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 313...WW 314...WW 315...WW 316...WW 317...WW 318... AVIATION...A few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 400. Mean storm motion vector 27040. ...Smith Read more

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