An earlier Severe Thunderstorm Warning has been upgrade to a Severe Thunderstorm Watch for northern Kane County as of 4:46 p.m., according to the National Weather Service.
"AT 438 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES EAST OF KENOSHA TO FOX LAKE TO HARVARD ... AND
MOVING SOUTH AT 35 MPH.
"HAZARD: HALF DOLLAR SIZE HAIL AND 70 MPH WIND GUSTS.
"SOURCE: RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES ...
ROOFS AND OUTBUILDINGS."
Not only are residents in danger, but so are the high school football games scheduled for Friday night.
The National Weather Service Chicago issued a Severe Thunderstorm Watch for Kane County, in effect until 9 p.m.
The NWS-C also has issued a Special Weather Statement regarding the heat.
"Heat Index values will top out at between 100 and 105 degrees this afternoon," it says. "Hot weather safety precautions should be taken for anyone spending a prolonged period of time outdoors through the afternoon."
The hot, humid air mass is running ahead of a cold front pushing south, setting the stage for "a broken line of thunderstorms mid- to late this afternoon into this evening," the National Weather Service says.
The most intense storms could produce damaging wind gusts and hail as well as lightning and torrential downpours.