As of 6:15PM, a few strong thunderstorms continue to roam some of Chicago’s south and southwest suburbs.
Further to the north, mainly light showers were occurring from downtown Chicago north and northwest to Waukegan and Woodstock.
No watches or warnings are in effect in the Chicago area at this time (6:15PM).
Brief heavy downpours, lightning and some small hail are possible in the stronger storms through 7PM.
We are keeping a close eye on stronger storms that continue to develop across western Illinois, and northern Missouri. This activity may eventually work it way into northeast Illinois.
Above: Radar at 6:30PM indicating the strongest storms are located in northern Missouri and near the Mississippi River in western Illinois. Graphic courtesey of the Storm Prediction Center.
At 5:58PM, the strongest thunderstorms were located over southern Cook County, from just south of the Eisenhower Expressway to Orland Park. The storms are moving east at 30mph.
Pea (0.25″) to penny (0.75″) sized hail was reported in Worth at 5:49PM.
Worth is located 13 miles southwest of downtown Chicago.
No warnings are in effect as of 5:58PM.
At 5:40PM radar indicated a line of strong thunderstorms stretching across some of Chicago’s south and southwestern suburbs between I-80 and I-88.
Pea sized hail (0.25″) was reported in Yorkville at 5:21PM.
Pea sized hail (0.25″) was also reported in Romeoville at 5:41PM
Pea sized hail (0.25″) was reported in Lemont at 5:42PM
Hail must reach 1″ in diameter for a warning to be issued by the National Weather Service. The 1″ threshold is the point at which hail can begin to cause damage in most cases.
No warnings are in effect, but these storms are being closely monitored at the WGN Weather Center for further intensification.
Below: Radar image at 5:50PM showing the thunderstorm activity stretching from Chicago to Kansas City. A tornado watch is in effect until 11PM for the areas outlined in red.
Showers and thunderstorms continue to march across much of northern Illinois approximating the I-80 corridor. Shortly before 5pm the strongest storms are targeting areas in LaSalle County north of Ottawa. At 4:48 pm pea-size hail was reported from the Mendota area.
Shortly after 4:30 pm radar showed an area of showers and thunderstorms developing into the Chicago area from the southwest. Other thunderstorms were approaching from the west and were currently moving into the Aurora area. These storms are capable of producing hail and gusty winds. Strong south winds 30 to 40 mph with gusts to 50 mph are buffetting the area in advance of the thunderstorms and have helped to boost temperatures into the lower and middle 70s.
At 4:20 pm this afternoon, a thunderstorm dropped 3/4 inch diameter hail in the Tinley Park area near 179th Street and 84th avenue. Thunderstorms continue to move into the south suburbs and are capable of producing hail and strong gusty winds.
Farther south pea-size hail was reported in the Peotone area in Will County at 4:26 pm.
South winds have been increasing in strength across the Chicago metro area throughout the afternoon with gusts reaching 50 mph in some area. The strong winds have ushered in a surge of warmer air that has boosted afternoon temperartures well into the 70s making today one of the warmest Easters in more than 20 years.
Some wind gusts as of 4 pm this afternoon
O’Hare Airport 45 mph
Midway Airport 37 mph
Lansing 41 mph
Waukegan 43 mph
West Chicago 43 mph
Wheeling 48 mph
Gary 37 mph
Kenosha 44 mph