378
ASUS43 KLOT 271258
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT MON JUL 27 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-271400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 82 78 88 SE6 29.81F HX 91 TC 28
STERLING* N/A 81 81 100 VRB3 29.83F FOG HX 91
ILZ003-004-008-010-011-017-018-271400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 79 79 100 S9 29.83F FOG HX 84
ILZ005-006-012>014-019>023-271400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 80 77 90 S8 29.84F FOG HX 87
CHICAGO-MIDWAY NOT AVBL
AURORA FOG 77 77 100 S7 29.85F VSB 1/2 TC 25
WAUKEGAN CLOUDY 76 75 97 E9 29.84S FOG TC 24
DUPAGE AIRPORT CLOUDY 78 78 100 S8 29.85S FOG HX 81
WHEELING CLOUDY 80 78 94 S10 29.85F FOG HX 88
NORTHERLY ISL* N/A 78 75 90 S6 N/A HX 81 TC 26
LMZ740>746-271400-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 74 71 1010.9F 1/ 2
WAUKEGAN HARBOR 74 72 1011.7F 1
WILMETTE BUOY 77 160/ 10/ 12 1014.2F 1
CHICAGO BUOY 77 74 180/ 6 1010.2F 1
HARRISON CRIB 77 170/ 11/ 12 N/A
NORTHERLY ISL 78 190/ 8 N/A
CALUMET HARBOR 170/ 5/ 8 1011.8
BURNS HARBOR 1011.9F
MICHIGAN CITY 76 170/ 9/ 12 1009.7F
MICH CITY BUOY 75 75 190/ 8/ 10 N/A 1
ST. JOSEPH BUOY 74 72 190/ 4/ 8 1012.3F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-271400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 79 72 79 S15G25 29.91R HX 82 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-271400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 75 68 78 SW8 29.96S TC 24
ILZ067-068-072-073-078-083-087-091-271400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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