244
ASUS43 KLOT 271101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-271200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 77 76 96 CALM 29.81R TC 25
STERLING* FOG 80 80 100 CALM 29.84R VSB 3/4 HX 89
SAVANNA* FOG 75 74 98 CALM 29.82R VSB 1/4 TC 24
ILZ003-004-008-010-011-017-018-271200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FOG 78 78 100 SE3 29.84R VSB 1/4 HX 81
FREEPORT* CLOUDY 79 77 95 CALM 29.84S VSB 3/4 HX 83
DE KALB* FOG 77 77 100 S6 29.87R VSB 1/4 TC 25
ILZ005-006-012>014-019>023-271200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 79 77 94 SW7 29.85R FOG HX 83
CHICAGO-MIDWAY CLOUDY 78 77 96 SW9 29.86R FOG HX 81
AURORA FOG N/A N/A N/A S5 29.85R VSB 1/4
JOLIET* CLOUDY 78 78 100 CALM 29.86R FOG HX 81
WAUKEGAN CLOUDY 79 78 97 S6 29.83S HX 83 TC 26
DUPAGE AIRPORT FOG 77 77 100 S6 29.85R VSB 1/16TC 25
KANKAKEE* CLOUDY 74 72 95 S5 29.88R FOG TC 23
WHEELING CLOUDY 80 78 94 S5 29.86R HX 88 TC 27
LANSING* CLOUDY 75 75 100 SE3 29.87R FOG TC 24
NORTHERLY ISL* N/A 78 75 90 S3 N/A HX 81 TC 26
LMZ740>746-271200-
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 1010.7S 0
WAUKEGAN HARBOR 75 72 1011.6S 0
WILMETTE BUOY 78 170/ 4/ 6 1014.0S 0
CHICAGO BUOY 78 74 150/ 2 1010.1R 0
HARRISON CRIB 79 150/ 1/ 2 N/A
NORTHERLY ISL 78 210/ 5/ 9 N/A
CALUMET HARBOR 77 190/ 4/ 5 1011.1
BURNS HARBOR 1012.2R
MICHIGAN CITY 75 180/ 5/ 6 1010.1R
MICH CITY BUOY 75 75 170/ 8/ 10 N/A 1
ST. JOSEPH BUOY 74 73 190/ 6/ 8 1012.3R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 78 75 90 S7 29.86R HX 81 TC 26
GALESBURG* CLEAR 77 77 100 S5 29.85S TC 25
MACOMB* CLEAR 74 74 100 CALM 29.87R FOG TC 23
JACKSONVILLE* PTCLDY 76 76 100 SE7 29.88R TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-271200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 77 77 100 S14 29.90R FOG TC 25
DECATUR MOCLDY 77 72 84 SW16G26 29.90R TC 25
PEORIA CLEAR 77 77 100 S6 29.86R FOG TC 25
LINCOLN* CLOUDY 78 78 100 S9 29.89R TC 25
SPRINGFIELD PTCLDY 76 74 93 S9 29.89R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 75 75 100 SW5 29.90R FOG TC 24
DANVILLE* CLOUDY 74 74 98 S5 29.91R VSB 1/4 TC 24
MATTOON PTCLDY 75 73 93 W6 29.89S TC 24
ILZ079-100>102-271200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 79 74 83 SE15G25 29.95R HX 83 TC 26
CAHOKIA* PTCLDY 79 74 84 S12G25 29.94R HX 82 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 74 70 87 CALM 29.98F TC 23
EFFINGHAM* PTCLDY 73 73 99 CALM 29.95R TC 23
MARION CLOUDY 73 67 84 S3 30.00R TC 23
MT. VERNON PTCLDY 72 67 84 SW7 29.94F TC 22
CENTRALIA* PTCLDY 74 68 81 CALM 29.95F TC 23
SALEM* PTCLDY 74 70 87 MISG 29.96R TC 23
ILZ067-068-072-073-078-083-087-091-271200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* MOCLDY 69 67 94 CALM 29.90F TC 21
HARRISBURG* TSTM 70 70 98 S3 29.97S TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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