178
ASUS43 KLOT 270606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT SUN SEP 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 MOCLDY 59 57 93 W5 30.10S TC 15
6HR MIN TEMP: 58; 6HR MAX TEMP: 65;
STERLING* PTCLDY 53 50 89 E6 30.13S TC 12
SAVANNA* MOCLDY 58 52 79 NE6 30.13R TC 15
ILZ003-004-008-010-011-017-018-270700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 53 48 83 CALM 30.15S TC 12
6HR MIN TEMP: 53; 6HR MAX TEMP: 64;
FREEPORT* PTCLDY 51 50 96 E3 30.16R TC 11
ROCHELLE* PTCLDY 51 48 89 CALM 30.14S TC 11
DE KALB* PTCLDY 51 49 93 E6 30.14F TC 10
ILZ005-006-012>014-019>023-270700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 49 86 N3 30.12F TC 12
6HR MIN TEMP: 53; 6HR MAX TEMP: 60;
CHICAGO-MIDWAY PTCLDY 56 53 90 CALM 30.13F TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 61;
AURORA PTCLDY 50 49 96 NE3 30.13F TC 10
6HR MIN TEMP: 49; 6HR MAX TEMP: 62;
JOLIET* CLEAR 52 51 99 CALM 30.13F TC 11
WAUKEGAN PTCLDY 48 48 100 NE3 30.13F TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 55;
DUPAGE AIRPORT PTCLDY 50 47 89 N3 30.13F TC 10
6HR MIN TEMP: 48; 6HR MAX TEMP: 62;
KANKAKEE* CLEAR 49 47 95 CALM 30.13F TC 9
WHEELING PTCLDY 50 49 96 CALM 30.15F TC 10
6HR MIN TEMP: 49; 6HR MAX TEMP: 59;
ROMEOVILLE* CLEAR 52 52 100 NE5 30.13F TC 11
LANSING* CLEAR 49 49 98 CALM 30.14S TC 10
NORTHERLY ISL* N/A 59 54 83 NE2 N/A TC 15
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 60 65 240/ 2/ 6 1019.1F 1/ 3
WAUKEGAN HARBOR 60 64 330/ 4/ 6 1019.9F 1/ 3
WILMETTE BUOY 63 120/ 2/ 4 1022.1F 1/ 3
CHICAGO BUOY 63 63 60/ 2/ 6 1019.1F 2/ 3
HARRISON CRIB 63 70/ 4/ 5 N/A
NORTHERLY ISL 60 50/ 3/ 6 N/A
CALUMET HARBOR 60 40/ 4/ 6 1020.4
MICHIGAN CITY 55 60/ 4/ 4 1019.7S
MICH CITY BUOY 58 61 80/ 4/ 6 N/A 1/ 3
ST. JOSEPH BUOY 53 53 40/ 4/ 8 1020.8F 0
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 CLOUDY 60 57 89 E7 30.07F TC 16
GALESBURG* PTCLDY 57 56 97 CALM 30.11F TC 14
MACOMB* MOCLDY 56 56 100 NE3 30.12R TC 13
JACKSONVILLE* PTCLDY 58 58 100 CALM 30.09S TC 14
PITTSFIELD* MOCLDY 59 57 93 CALM 30.10S TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-270700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 52 50 95 CALM 30.12S TC 11
BLOOMINGTON PTCLDY 53 51 93 E8 30.12S TC 12
DECATUR PTCLDY 57 51 80 CALM 30.09F TC 14
PEORIA CLOUDY 61 49 64 E9 30.09F TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 67;
LACON* PTCLDY 55 48 79 CALM 30.11S TC 13
LINCOLN* CLOUDY 60 54 78 E5 30.09S TC 16
SPRINGFIELD MOCLDY 61 58 90 CALM 30.08F TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 66;
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 MOCLDY 56 49 77 E8 30.11R TC 13
RANTOUL* PTCLDY 54 48 80 NE5 30.11S TC 12
MATTOON MOCLDY 57 52 83 CALM 30.08F TC 14
PARIS* CLEAR 51 50 97 CALM 30.10S TC 11
ILZ079-100>102-270700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 56 54 94 CALM 30.07S TC 13
CAHOKIA* MOCLDY 57 57 100 CALM 30.06S TC 14
SPARTA* PTCLDY 56 52 86 CALM 30.07S TC 13
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
CAIRO* MOCLDY 62 54 75 CALM 30.04F TC 16
EFFINGHAM* MOCLDY 59 56 89 CALM 30.09F TC 15
MARION MOCLDY 63 52 67 NE3 30.05S TC 17
MT. VERNON MOCLDY 60 53 77 CALM 30.06F TC 16
CENTRALIA* PTCLDY 58 55 92 CALM 30.06F TC 14
SALEM* MOCLDY 64 54 69 MISG 30.06F TC 18
METROPOLIS* CLOUDY 62 53 72 CALM 30.04S TC 17
ILZ067-068-072-073-078-083-087-091-270700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 55 52 89 CALM 30.07F TC 13
FLORA* MOCLDY 63 55 77 NE3 30.07S TC 17
FAIRFIELD* MOCLDY 62 53 71 CALM 30.06F TC 17
HARRISBURG* MOCLDY 64 52 64 CALM 30.05F TC 18
ROBINSON* PTCLDY 50 50 100 VRB1 30.08S TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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