460
ASUS43 KLOT 270210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-270300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 83 81 94 CALM 29.83F HX 97 TC 28
STERLING* FOG 81 81 100 CALM 29.86R VSB 1/2 HX 91
SAVANNA* MOCLDY 83 80 90 S3 29.84S HX 95 TC 28
ILZ003-004-008-010-011-017-018-270300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 82 80 94 S6 29.86S HX 94 TC 28
FREEPORT* CLEAR 82 80 95 SW5 29.87S HX 92 TC 28
ROCHELLE* CLEAR 78 77 94 CALM 29.87R FOG HX 82
DE KALB* MOCLDY 80 80 100 S7 29.88R HX 86 TC 27
PERU* PTCLDY 81 79 94 S5 29.86S FOG HX 89
ILZ005-006-012>014-019>023-270300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 85 76 74 SW6 29.84S HX 94 TC 29
CHICAGO-MIDWAY PTCLDY 84 76 76 SW9 29.84S HX 93 TC 29
AURORA CLEAR N/A N/A N/A SW5 29.86R HAZE
JOLIET* PTCLDY 83 80 91 SW5 29.86S HX 95 TC 28
WAUKEGAN CLEAR 77 72 84 CALM 29.84R TC 25
DUPAGE AIRPORT CLEAR 81 77 88 SW5 29.85S HX 88 TC 27
KANKAKEE* PTCLDY 78 77 95 SW5 29.88R HX 82 TC 26
WHEELING PTCLDY 86 76 71 W3 29.86R HX 96 TC 30
ROMEOVILLE* PTCLDY 81 81 100 S6 29.86S HX 91 TC 27
LANSING* PTCLDY 78 73 85 S3 29.87S HX 80 TC 26
NORTHERLY ISL* N/A 84 73 69 S8 N/A HX 90 TC 29
LMZ740>746-270300-
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 72 1011.1 1
WAUKEGAN HARBOR 75 74 1011.9 1
WILMETTE BUOY 77 150/ 4/ 6 1013.9F 1
CHICAGO BUOY 80 75 190/ 4 1009.7 1
HARRISON CRIB 83 190/ 8/ 9 N/A
NORTHERLY ISL 78 CALM / 3 N/A
CALUMET HARBOR 84 200/ 6/ 8 1011.0S
BURNS HARBOR 1011.5S
MICHIGAN CITY 83 180/ 6/ 8 1009.1R
MICH CITY BUOY 78 75 180/ 4/ 6 N/A 0
ST. JOSEPH BUOY 79 74 150/ 4/ 4 1012.0S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-270300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 86 82 88 SW3 29.85F HX 104 TC 30
GALESBURG* CLOUDY 82 79 91 CALM 29.87S HX 92 TC 28
MACOMB* CLOUDY 86 86 100 CALM 29.88R HX 112 TC 30
JACKSONVILLE* MOCLDY 84 84 100 CALM 29.85S HX 104 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-270300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 78 78 100 MISG 29.87S FOG HX 81
BLOOMINGTON PTCLDY 78 78 100 S7 29.89S FOG HX 81
DECATUR MOCLDY 80 79 96 E5 29.88R FOG HX 88
PEORIA MOCLDY 84 81 90 CALM 29.86R HX 99 TC 29
LACON* MOCLDY 82 79 89 CALM 29.85R HX 92 TC 28
LINCOLN* CLOUDY 84 84 100 CALM 29.87R FOG HX 103
SPRINGFIELD PTCLDY 85 83 94 CALM 29.85S HX 104 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 75 75 100 SE6 29.89S FOG TC 24
DANVILLE* MOCLDY 78 76 94 S3 29.89S HX 80 TC 26
MATTOON MOCLDY 80 78 94 CALM 29.88R FOG HX 88
PARIS* MOCLDY 74 74 98 CALM 29.89S FOG TC 24
ILZ079-100>102-270300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 82 81 94 VRB3 29.87R HX 95 TC 28
CAHOKIA* CLEAR 87 78 74 CALM 29.86R HX 100 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 88 82 84 SW5 29.87R HX 108 TC 31
CAIRO* MOCLDY 87 83 88 CALM 29.89S HX 108 TC 31
EFFINGHAM* CLEAR 80 79 99 E3 29.90R FOG HX 85
MARION CLOUDY 86 77 74 SE9G18 29.89R HX 96 TC 30
MT. VERNON MOCLDY 77 74 90 NE3 29.89R TC 25
CENTRALIA* PTCLDY 81 76 84 CALM 29.88R HX 87 TC 27
SALEM* PTCLDY 82 75 79 MISG 29.88S HX 88 TC 28
METROPOLIS* CLOUDY 82 71 68 NE10G21 29.92R HX 86 TC 28
ILZ067-068-072-073-078-083-087-091-270300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* PTCLDY 75 73 94 SW3 29.88F TC 24
FAIRFIELD* PTCLDY 76 71 85 CALM 29.88S TC 25
HARRISBURG* MOCLDY 74 73 97 NE3 29.89R TC 24
ROBINSON* CLOUDY 81 79 94 S2 29.87S FOG HX 89
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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