332
ASUS43 KLOT 270610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-270700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 81 79 94 CALM 29.82S HX 90 TC 27
6HR MIN TEMP: 78; 6HR MAX TEMP: 87;
STERLING* MOCLDY 77 77 100 E3 29.86R TC 25
SAVANNA* FOG 81 80 97 E3 29.83F VSB 3/4 HX 90
ILZ003-004-008-010-011-017-018-270700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 78 77 96 S8 29.86R FOG HX 81
6HR MIN TEMP: 77; 6HR MAX TEMP: 84;
FREEPORT* CLOUDY 80 78 95 S7 29.87R VSB 3/4 HX 88
ROCHELLE* FOG 79 77 94 S6 29.86S VSB 1/2 HX 83
DE KALB* FOG 77 77 100 S6 29.87R VSB 1/2 TC 25
PERU* CLOUDY 79 79 100 S3 29.86R FOG HX 83
ILZ005-006-012>014-019>023-270700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 80 77 90 S5 29.83F HX 87 TC 27
6HR MIN TEMP: 80; 6HR MAX TEMP: 89;
CHICAGO-MIDWAY CLEAR 79 77 94 S8 29.84F HX 83 TC 26
6HR MIN TEMP: 79; 6HR MAX TEMP: 87;
AURORA MOCLDY N/A N/A N/A S3 29.85R FOG
WAUKEGAN CLEAR 77 76 96 SW5 29.82F TC 25
6HR MIN TEMP: 75; 6HR MAX TEMP: 82;
DUPAGE AIRPORT MOCLDY 77 77 100 S6 29.84S FOG TC 25
6HR MIN TEMP: 77; 6HR MAX TEMP: 84;
WHEELING PTCLDY 80 78 94 S6 29.85S HX 88 TC 27
6HR MIN TEMP: 79; 6HR MAX TEMP: 89;
LANSING* CLEAR 74 74 98 S3 29.86F FOG TC 24
NORTHERLY ISL* N/A 80 75 84 S8 N/A HX 85 TC 27
LMZ740>746-270700-
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 73 70 1010.2 0
WAUKEGAN HARBOR 76 72 1011.1 0
WILMETTE BUOY 78 190/ 6/ 8 1013.7S 0
CHICAGO BUOY 78 74 190/ 4 1009.8 1
HARRISON CRIB 82 210/ 12/ 12 N/A
NORTHERLY ISL 80 210/ 7/ 8 N/A
CALUMET HARBOR 80 200/ 6/ 9 1011.0
BURNS HARBOR 1011.9S
MICHIGAN CITY 77 190/ 7/ 8 1009.5R
MICH CITY BUOY 77 75 200/ 6/ 10 N/A 1
ST. JOSEPH BUOY 76 75 200/ 8/ 10 1011.8F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-270700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 81 78 91 S5 29.87S HX 89 TC 27
GALESBURG* MOCLDY 80 80 100 CALM 29.86S HX 86 TC 27
JACKSONVILLE* PTCLDY 84 84 100 SW5 29.85F HX 102 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-270700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 75 75 100 MISG 29.87F FOG TC 24
BLOOMINGTON CLOUDY 77 77 100 S7 29.89S FOG TC 25
DECATUR CLOUDY 80 78 94 S5 29.88S FOG HX 88
PEORIA CLOUDY 81 80 97 SE3 29.86R FOG HX 91
6HR MIN TEMP: 81; 6HR MAX TEMP: 89;
LACON* CLEAR 78 76 93 S3 29.85R FOG HX 82
LINCOLN* PTCLDY 80 80 100 SE3 29.86F FOG HX 91
SPRINGFIELD PTCLDY 81 78 91 E3 29.85F HX 89 TC 27
6HR MIN TEMP: 81; 6HR MAX TEMP: 91;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 74 74 100 SE6 29.89S FOG TC 23
MATTOON PTCLDY 77 76 96 SE5 29.88F FOG TC 25
PARIS* CLOUDY 72 72 98 CALM 29.90S FOG TC 22
ILZ079-100>102-270700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 81 79 93 CALM 29.88F HX 91 TC 27
BELLEVILLE CLOUDY 83 82 96 CALM 29.85F HX 97 TC 28
CAHOKIA* MOCLDY 81 79 94 CALM 29.87S HX 90 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* RAIN 78 78 100 SE12 29.91S HX 81 TC 26
MT. VERNON CLOUDY 77 73 87 S7 29.88F TC 25
SALEM* MOCLDY 78 74 85 MISG 29.87F HX 81 TC 26
METROPOLIS* CLEAR 76 75 96 CALM 29.92R TC 24
ILZ067-068-072-073-078-083-087-091-270700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* PTCLDY 74 70 86 S10 29.87F TC 24
HARRISBURG* CLOUDY 74 73 95 S16G22 29.91F TC 23
ROBINSON* MOCLDY 73 73 100 S2 29.87F FOG TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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