WWUS20 KWNS 101938

SEL4  

SPC WW 101938

ILZ000-INZ000-LMZ000-110300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 304

NWS Storm Prediction Center Norman OK

240 PM CDT Wed Jun 10 2026



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of 

  Central and Northeast Illinois

  Far Northwest Indiana

  Lake Michigan



* Effective this Wednesday afternoon and evening from 240 PM

  until 1000 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 65 mph likely

  Scattered large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Thunderstorm intensity has increased along the southern

edge of an organized line moving through southern Wisconsin into

central Illinois. Damaging wind gusts and isolated hail are possible

with this storms this afternoon and evening.



The severe thunderstorm watch area is approximately along and 65

statute miles east and west of a line from 20 miles south of Decatur

IL to 50 miles north northeast of Bloomington IL. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU4).



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 301...WW 302...WW 303...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

27035.



...Mosier