UV Index Today in Cook County, Illinois (IL) Tuesday, April 7, 2026 -
3:46 AM CDT (GMT-5)
The average maximum UV Index today across 177
locations in Cook County, Illinois (IL) , is 5.4. The highest projected
maximum is 5.5 in Elgin at 1:00 PM CDT, while the lowest
projected maximum is 5.4 in Chicago
at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to
be 5.6. The highest projected maximum is 5.7 in Wheeling at 1:00 PM CDT, and the
lowest projected maximum is 5.3 in Barrington at 1:00 PM CDT.
29 County Subdivisions in Cook County, Illinois (IL) Maximum UV Index Today
Barrington - 5.5
Berwyn - 5.4
Bloom - 5.4
Bremen - 5.4
Calumet - 5.4
Cicero - 5.4
Elk Grove - 5.4
Hanover - 5.5
Lemont - 5.4
Leyden - 5.4
Lyons - 5.4
Maine - 5.4
New Trier - 5.4
Niles - 5.4
Northfield - 5.4
Norwood Park - 5.4
Oak Park - 5.4
Orland - 5.4
Palatine - 5.4
Palos - 5.4
Proviso - 5.4
Rich - 5.4
River Forest - 5.4
Riverside - 5.4
Schaumburg - 5.4
Stickney - 5.4
Thornton - 5.4
Wheeling - 5.4
Worth - 5.4148 Places in Cook County, Illinois (IL) Maximum UV Index Today
Alsip - 5.4
Arlington Heights - 5.4
Barrington - 5.5
Barrington Hills - 5.5
Bartlett - 5.5
Bedford Park - 5.4
Bellwood - 5.4
Bensenville - 5.4
Berkeley - 5.4
Berwyn - 5.4
Blue Island - 5.4
Bridgeview - 5.4
Broadview - 5.4
Brookfield - 5.4
Buffalo Grove - 5.5
Burbank - 5.4
Burnham - 5.4
Burr Ridge - 5.4
Calumet City - 5.4
Calumet Park - 5.4
Chicago - 5.4
Chicago Heights - 5.4
Chicago Ridge - 5.4
Cicero - 5.4
Country Club Hills - 5.4
Countryside - 5.4
Crestwood - 5.4
Crete - 5.4
Deerfield - 5.5
Deer Park - 5.5
Des Plaines - 5.4
Dixmoor - 5.4
Dolton - 5.4
East Dundee - 5.5
East Hazel Crest - 5.4
Elgin - 5.5
Elk Grove Village - 5.4
Elmhurst - 5.4
Elmwood Park - 5.4
Evanston - 5.4
Evergreen Park - 5.4
Flossmoor - 5.4
Ford Heights - 5.4
Forest Park - 5.4
Forest View - 5.4
Frankfort - 5.4
Frankfort Square - 5.4
Franklin Park - 5.4
Glencoe - 5.5
Glenview - 5.4
Glenwood - 5.4
Golf - 5.4
Hanover Park - 5.5
Harvey - 5.4
Harwood Heights - 5.4
Hazel Crest - 5.4
Hickory Hills - 5.4
Highland Park - 5.5
Hillside - 5.4
Hinsdale - 5.4
Hodgkins - 5.4
Hoffman Estates - 5.5
Homer Glen - 5.4
Hometown - 5.4
Homewood - 5.4
Indian Head Park - 5.4
Inverness - 5.4
Itasca - 5.4
Justice - 5.4
Kenilworth - 5.4
La Grange - 5.4
La Grange Park - 5.4
Lansing - 5.4
Lemont - 5.4
Lincolnwood - 5.4
Lockport - 5.4
Long Grove - 5.5
Lynwood - 5.4
Lyons - 5.4
Markham - 5.4
Matteson - 5.4
Maywood - 5.4
Melrose Park - 5.4
Merrionette Park - 5.4
Midlothian - 5.4
Morton Grove - 5.4
Mount Prospect - 5.4
Niles - 5.4
Norridge - 5.4
Northbrook - 5.5
Northfield - 5.4
Northlake - 5.4
North Riverside - 5.4
Oak Brook - 5.4
Oak Forest - 5.4
Oak Lawn - 5.4
Oak Park - 5.4
Olympia Fields - 5.4
Orland Hills - 5.4
Orland Park - 5.4
Palatine - 5.4
Palos Heights - 5.4
Palos Hills - 5.4
Palos Park - 5.4
Park Forest - 5.4
Park Ridge - 5.4
Phoenix - 5.4
Plum Valley - 5.4
Posen - 5.4
Prospect Heights - 5.4
Richton Park - 5.4
Riverdale - 5.4
River Forest - 5.4
River Grove - 5.4
Riverside - 5.4
Riverwoods - 5.5
Robbins - 5.4
Rolling Meadows - 5.4
Romeoville - 5.4
Roselle - 5.4
Rosemont - 5.4
Sauk Village - 5.4
Schaumburg - 5.4
Schiller Park - 5.4
Skokie - 5.4
South Barrington - 5.5
South Chicago Heights - 5.4
South Holland - 5.4
Steger - 5.4
Stickney - 5.4
Stone Park - 5.4
Streamwood - 5.5
Summit - 5.4
Thornton - 5.4
Tinley Park - 5.4
University Park - 5.4
Westchester - 5.4
Western Springs - 5.4
Wheeling - 5.5
Willow Springs - 5.4
Wilmette - 5.4
Winnetka - 5.4
Wood Dale - 5.4
Woodridge - 5.4
Worth - 5.4
Dyer - 5.4
Hammond - 5.4
Munster - 5.4