WWUS20 KWNS 141931 SEL9 SPC WW 141931 IAZ000-ILZ000-MNZ000-WIZ000-LMZ000-150300- URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 109 NWS Storm Prediction Center Norman OK 230 PM CDT Tue Apr 14 2026 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Central and Eastern Iowa Northern Illinois Extreme Southeast Minnesota Southern Wisconsin Lake Michigan * Effective this Tuesday afternoon and evening from 230 PM until 1000 PM CDT. * Primary threats include... Several tornadoes and a couple intense tornadoes likely Widespread large hail and scattered very large hail events to 4 inches in diameter likely Scattered damaging winds likely with isolated significant gusts to 75 mph possible SUMMARY...Supercell thunderstorms will pose a threat for very large to giant hail this afternoon and evening as they track eastward, with the largest hailstones potentially reaching up to 3-4 inches in diameter. The threat for several tornadoes will increase later this afternoon and evening along a warm front, and any sustained supercell will be capable of producing a strong tornado. Otherwise, scattered to numerous severe/damaging winds may eventually occur as thunderstorms consolidate into one or more bowing clusters, with peak gusts up to 65-75 mph. The tornado watch area is approximately along and 75 statute miles north and south of a line from 60 miles west southwest of Waterloo IA to 20 miles north northeast of Milwaukee WI. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and 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. && OTHER WATCH INFORMATION...CONTINUE...WW 108... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 4 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 26035. ...Gleason