WWUS20 KWNS 102239 SEL5 SPC WW 102239 IAZ000-ILZ000-INZ000-MIZ000-WIZ000-LMZ000-110500- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 35 NWS Storm Prediction Center Norman OK 540 PM CDT Tue Mar 10 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Iowa Northern Illinois Northwest Indiana Southwest Lower Michigan Southern Wisconsin Lake Michigan * Effective this Tuesday afternoon from 540 PM until Midnight CDT. * Primary threats include... Scattered large hail likely with isolated very large hail events to 3 inches in diameter possible Scattered damaging winds and isolated significant gusts to 75 mph possible SUMMARY...Thunderstorms are expected to develop and overspread the watch area through the evening. These storms will pose a risk of large hail, and perhaps damaging wind gusts. The severe thunderstorm watch area is approximately along and 50 statute miles north and south of a line from Cedar Rapids IA to 15 miles southeast of Grand Rapids MI. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). 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 31...WW 32...WW 33...WW 34... AVIATION...A few severe thunderstorms with hail surface and aloft to 3 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 25030. ...Hart