A Tornado Watch remains in effect until 1000 PM CST for northwestern Illinois. This storm is producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows! Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. A Tornado Watch remains in effect until 1000 PM CST for northwestern Illinois.

SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southern Whiteside County in northwestern Illinois... * Until 600 PM CST. * At 512 PM CST, a severe thunderstorm was located near Prophetstown, or 10 miles southeast of Morrison, moving east at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Sterling, Rock Falls, Prophetstown, Erie, Tampico, Lyndon, Emerson, Yeoward Addition, Whiteside County Airport, Galt, Portland Corners, Prophetstown State Recreation Area, Spring Hill, Hamilton Corners, Como, Leon Corners, Denrock, Grimes Addition, Douglas Park, and Agnew. This includes Interstate 88 between mile markers 23 and 44.