Hazardous Weather Outlook information for McHenry County and surrounding area.
WEATHER HAZARDS EXPECTED:
NUMEROUS SEVERE THUNDERSTORMS...SOME COULD PRODUCE:
*STRONG TORNADOES
*DAMAGING WINDS OF 80 TO 100 MPH
*ISOLATED HAIL TO THE SIZE OF BASEBALLS
*VERY HEAVY RAINFALL WHICH COULD CAUSE FLASH FLOODING
AREAS AFFECTED AND TIMING:
WHILE A FEW SCATTERED THUNDERSTORMS MAY DEVELOP PRIOR TO 4PM...THE MAIN AREA OF SEVERE STORMS IS ANTICIPATED TO DEVELOP ACROSS FAR EASTERN IOWA SOUTHWEST WISCONSIN...AND NORTHWEST ILLINOIS THROUGH MID TO LATE AFTERNOON. THESE STORMS WILL EVOLVE EAST ACROSS NORTH CENTRAL ILLINOIS...INCLUDING THE ROCKFORD AREA...LATER THIS AFTERNOON INTO EARLY EVENING. THESE STORMS WILL HAVE AN ENHANCED TORNADIC THREAT. THE STORMS WILL MOVE EAST THROUGH THIS EVENING ACROSS ALL OF NORTHERN ILLINOIS AND INTO
NORTHWEST INDIANA. THE STRONGEST THUNDERSTORMS WITH THE GREATEST PROBABILITY TO PRODUCE SEVERE WEATHER WILL IMPACT THE CHICAGOLAND AREA BETWEEN 6 AND 11 PM. THESE STORMS PRIMARY THREATS ARE DAMAGING WINDS AND HEAVY RAINFALL...WITH ISOLATED THREATS OF LARGE HAIL AND TORNADOES. WHILE ALL STORMS WILL BE CAPABLE OF HEAVY RAIN TODAY...THE GREATEST FLASH FLOOD THREAT WILL LIKELY BE ALONG AND NORTH OF THE I-80 CORRIDOR IN NORTHERN ILLINOIS...ALL OF CHICAGOLAND AND THE ROCKFORD METRO AREA...AND
FAR NORTHWEST INDIANA.
Address/Location
City of Crystal Lake
100 W Woodstock St
Crystal Lake, IL 60014
Contact
Emergency: 9-1-1
Non-emergencies: 815-356-3620