862
ASUS43 KLOT 270712
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-270800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 59 57 93 CALM 30.10S TC 15
STERLING* PTCLDY 51 49 92 E6 30.13S TC 11
SAVANNA* MOCLDY 56 51 85 E5 30.13S TC 13
ILZ003-004-008-010-011-017-018-270800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 49 48 97 CALM 30.15S TC 9
FREEPORT* PTCLDY 49 48 95 E5 30.15F TC 10
ROCHELLE* PTCLDY 49 47 95 CALM 30.14S TC 9
DE KALB* PTCLDY 49 49 98 NE3 30.14S TC 10
PERU* PTCLDY 52 48 87 NE7 30.12S TC 11
ILZ005-006-012>014-019>023-270800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 49 86 CALM 30.11F TC 12
CHICAGO-MIDWAY PTCLDY 55 52 89 CALM 30.12F TC 13
AURORA PTCLDY 50 49 96 CALM 30.12F TC 10
JOLIET* PTCLDY 55 54 97 CALM 30.12F TC 13
WAUKEGAN PTCLDY 47 47 100 CALM 30.12F TC 8
DUPAGE AIRPORT PTCLDY 48 45 89 N3 30.13S TC 9
KANKAKEE* PTCLDY 46 45 95 CALM 30.13S TC 8
WHEELING PTCLDY 49 48 97 CALM 30.14F TC 9
ROMEOVILLE* PTCLDY 52 52 100 NE3 30.13S FOG TC 11
LANSING* PTCLDY 47 47 97 CALM 30.13S FOG TC 9
NORTHERLY ISL* N/A 59 55 87 NE5 N/A TC 15
LMZ740>746-270800-
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 65 250/ 4/ 6 1018.7 1/ 3
WAUKEGAN HARBOR 61 63 350/ 4/ 6 1019.5 1/ 3
WILMETTE BUOY 64 100/ 4/ 8 1021.6F 1/ 3
CHICAGO BUOY 63 63 90/ 8/ 12 1018.5 2/ 3
HARRISON CRIB 62 80/ 7/ 7 N/A
NORTHERLY ISL 59 50/ 4/ 5 N/A
CALUMET HARBOR 60 50/ 5/ 7 1020.1
MICHIGAN CITY 54 80/ 2/ 3 1019.7S
MICH CITY BUOY 58 62 80/ 4/ 6 N/A 1/ 3
ST. JOSEPH BUOY 53 53 50/ 4/ 4 1020.5F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-270800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 59 57 93 CALM 30.07S TC 15
GALESBURG* MOCLDY 56 56 100 CALM 30.10S TC 13
MACOMB* MOCLDY 55 55 100 CALM 30.10F TC 13
JACKSONVILLE* MOCLDY 58 58 100 CALM 30.08F TC 15
PITTSFIELD* MOCLDY 59 58 96 CALM 30.09S FOG TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-270800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 49 49 99 CALM 30.12S TC 9
BLOOMINGTON PTCLDY 52 50 93 NE5 30.11F TC 11
DECATUR PTCLDY 52 50 93 NE7 30.09S TC 11
PEORIA MOCLDY 59 49 69 E7 30.09S TC 15
LACON* PTCLDY 52 48 86 CALM 30.11S TC 11
LINCOLN* CLOUDY 57 52 81 NE5 30.09S TC 14
SPRINGFIELD MOCLDY 61 58 90 CALM 30.07F TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 54 48 80 E6 30.10F TC 12
RANTOUL* PTCLDY 54 48 82 CALM 30.11S TC 12
MATTOON PTCLDY 54 49 83 E6 30.07F TC 12
PARIS* PTCLDY 49 49 97 CALM 30.10S TC 10
ILZ079-100>102-270800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 58 54 85 CALM 30.07S TC 15
CAHOKIA* MOCLDY 58 57 97 CALM 30.06S TC 14
SPARTA* MOCLDY 58 55 92 CALM 30.06F TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 61 53 75 CALM 30.04S TC 16
EFFINGHAM* MOCLDY 57 55 94 CALM 30.08F TC 14
MARION PTCLDY 57 52 82 SW2 30.05S TC 14
MT. VERNON MOCLDY 60 53 77 N3 30.05F TC 16
CENTRALIA* MOCLDY 59 56 89 CALM 30.06S TC 15
SALEM* CLOUDY 65 54 67 MISG 30.06S TC 18
METROPOLIS* MOCLDY 59 52 78 CALM 30.03F TC 15
ILZ067-068-072-073-078-083-087-091-270800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 55 51 86 NE5 30.07S TC 13
FLORA* CLOUDY 61 55 82 N5 30.06S TC 16
FAIRFIELD* MOCLDY 62 52 70 CALM 30.05S TC 17
HARRISBURG* MOCLDY 61 52 71 CALM 30.05S TC 16
ROBINSON* MOCLDY 50 50 100 N2 30.07F TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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