039
ASUS43 KLOT 270301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT SUN JUL 26 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.
ILZ001-002-007-009-015-016-024-270400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 83 81 94 S8 29.81F HX 97 TC 28
STERLING* N/A 79 79 100 E7 29.85F HX 84 TC 26
SAVANNA* PTCLDY 82 81 95 SE6 29.83S FOG HX 94
ILZ003-004-008-010-011-017-018-270400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 81 79 94 S3 29.87S HX 90 TC 27
FREEPORT* PTCLDY 80 78 95 S5 29.87F HX 86 TC 27
DE KALB* CLEAR 78 78 100 S6 29.89R FOG HX 80
ILZ005-006-012>014-019>023-270400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 84 77 79 SW8 29.85R HX 94 TC 29
CHICAGO-MIDWAY PTCLDY 83 76 79 SW13 29.87R HX 91 TC 28
AURORA CLEAR N/A N/A N/A S3 29.87R HAZE
JOLIET* PTCLDY 81 79 96 CALM 29.88R HX 90 TC 27
WAUKEGAN MOCLDY 75 72 90 CALM 29.85R TC 24
DUPAGE AIRPORT PTCLDY 81 78 91 SW7 29.87R HX 89 TC 27
KANKAKEE* PTCLDY 77 75 94 SW3 29.89S TC 25
WHEELING MOCLDY 85 76 74 SW3 29.87R HX 94 TC 29
LANSING* CLEAR 77 74 88 S5 29.88R TC 25
NORTHERLY ISL* N/A 83 73 72 W5 N/A HX 89 TC 28
LMZ740>746-270400-
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 1011.2R 1
WAUKEGAN HARBOR 76 73 1012.0R 1
WILMETTE BUOY 77 170/ 4/ 6 1014.3R 1
CHICAGO BUOY 79 75 190/ 4 1010.4R 1
HARRISON CRIB 85 200/ 11/ 12 N/A
NORTHERLY ISL 84 220/ 7/ 9 N/A
CALUMET HARBOR 83 160/ 5/ 6 1011.3
BURNS HARBOR 1012.2R
MICHIGAN CITY 82 190/ 10/ 12 1009.5R
MICH CITY BUOY 78 75 180/ 4/ 6 N/A 0
ST. JOSEPH BUOY 79 73 160/ 4/ 6 1012.4R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-270400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 85 81 88 SW5 29.87R HX 100 TC 29
GALESBURG* MOCLDY 81 81 100 SE3 29.87S HX 91 TC 27
MACOMB* MOCLDY 83 83 100 CALM 29.89R HX 101 TC 29
JACKSONVILLE* PTCLDY 83 83 100 CALM 29.87R HX 100 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-270400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 78 78 100 S5 29.90R FOG HX 81
DECATUR PTCLDY 78 77 96 SE5 29.89S FOG HX 81
PEORIA MOCLDY 84 81 90 CALM 29.87R HX 99 TC 29
LINCOLN* MOCLDY 83 83 100 SE3 29.89R FOG HX 100
SPRINGFIELD MOCLDY 85 83 94 E3 29.87R HX 104 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 74 74 100 SE5 29.90R FOG TC 23
DANVILLE* PTCLDY 75 74 96 CALM 29.91R TC 24
MATTOON MOCLDY 79 78 97 SE3 29.89R FOG HX 83
ILZ079-100>102-270400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 84 81 89 VRB3 29.88R HX 98 TC 29
CAHOKIA* CLEAR 86 78 77 SW3 29.86S HX 98 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 85 83 94 CALM 29.91R HX 103 TC 29
EFFINGHAM* PTCLDY 79 79 99 CALM 29.91R FOG HX 84
MARION PTCLDY 82 75 80 S5 29.89S HX 88 TC 28
MT. VERNON CLEAR 76 74 93 CALM 29.89S TC 24
CENTRALIA* CLEAR 80 74 84 CALM 29.89R HX 84 TC 26
SALEM* CLEAR 79 74 84 MISG 29.89S HX 82 TC 26
ILZ067-068-072-073-078-083-087-091-270400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* CLEAR 75 75 100 W3 29.88F TC 24
FAIRFIELD* CLEAR 75 72 90 CALM 29.89R TC 24
HARRISBURG* PTCLDY 74 74 99 CALM 29.90R TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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