211
ASUS43 KLOT 271110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-271200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 57 52 83 E7 30.10R TC 14
STERLING* PTCLDY 49 49 100 E5 30.13R TC 9
SAVANNA* MOCLDY 50 49 97 CALM 30.13R TC 10
ILZ003-004-008-010-011-017-018-271200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 47 46 97 CALM 30.15R TC 8
FREEPORT* PTCLDY 46 45 94 CALM 30.15R TC 8
ROCHELLE* PTCLDY 46 46 100 CALM 30.13R TC 8
DE KALB* FOG 46 46 100 CALM 30.14R VSB 1/2 TC 8
PERU* PTCLDY 48 46 93 NE3 30.12S FOG TC 9
ILZ005-006-012>014-019>023-271200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 50 47 89 N3 30.11S TC 10
CHICAGO-MIDWAY PTCLDY 51 50 96 NW3 30.12R TC 11
AURORA PTCLDY 47 47 100 CALM 30.12R FOG TC 8
JOLIET* PTCLDY 47 47 100 CALM 30.12S FOG TC 8
WAUKEGAN PTCLDY 46 46 100 CALM 30.12R FOG TC 8
DUPAGE AIRPORT PTCLDY 45 44 97 N5 30.12S TC 7
KANKAKEE* PTCLDY 47 46 95 CALM 30.12S FOG TC 9
WHEELING PTCLDY 48 47 96 CALM 30.13S TC 9
ROMEOVILLE* N/A 50 50 100 N5 30.12S FOG TC 10
LANSING* FOG 44 43 98 CALM 30.12S VSB<1/4 TC 7
NORTHERLY ISL* N/A 58 54 86 CALM N/A TC 14
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 57 64 250/ 6/ 8 1018.6 1/ 3
WAUKEGAN HARBOR 56 63 310/ 6/ 8 1019.4 1/ 3
WILMETTE BUOY 63 80/ 8/ 10 1021.4R 1/ 3
CHICAGO BUOY 63 63 80/ 2/ 4 1018.5 1/ 4
HARRISON CRIB 62 90/ 5/ 5 N/A
NORTHERLY ISL 57 50/ 4/ 6 N/A
CALUMET HARBOR 57 10/ 2/ 3 1019.6
MICHIGAN CITY 51 80/ 3/ 3 1019.2R
MICH CITY BUOY 57 62 90/ 6/ 6 N/A 1/ 3
ST. JOSEPH BUOY 52 53 50/ 2/ 2 1020.4R 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 CLOUDY 58 54 86 CALM 30.09R TC 14
GALESBURG* CLOUDY 57 54 88 CALM 30.10S TC 14
MACOMB* CLOUDY 57 57 100 W3 30.11R TC 14
JACKSONVILLE* CLOUDY 60 60 100 CALM 30.08R TC 16
PITTSFIELD* RAIN 59 58 97 CALM 30.10R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-271200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 44 44 100 CALM 30.12R TC 7
BLOOMINGTON PTCLDY 49 49 100 NE3 30.12R TC 9
DECATUR PTCLDY 48 46 93 NE5 30.10R TC 9
PEORIA MOCLDY 53 50 89 NE3 30.10R TC 12
LACON* PTCLDY 48 46 93 CALM 30.11S TC 9
LINCOLN* PTCLDY 53 50 90 CALM 30.10R TC 12
SPRINGFIELD CLOUDY 60 52 74 E3 30.08R TC 16
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 PTCLDY 52 46 80 NE5 30.10R TC 11
RANTOUL* PTCLDY 49 47 93 CALM 30.10S TC 10
MATTOON PTCLDY 51 47 86 NE3 30.08R TC 11
PARIS* CLEAR 46 45 97 CALM 30.10R TC 8
ILZ079-100>102-271200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 59 55 87 CALM 30.07R TC 15
CAHOKIA* CLOUDY 60 59 96 CALM 30.06R TC 16
SPARTA* CLOUDY 58 56 92 CALM 30.06S TC 15
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* MOCLDY 60 56 87 CALM 30.04R TC 16
EFFINGHAM* PTCLDY 53 50 91 CALM 30.09S TC 12
MARION MOCLDY 54 54 100 NE1 30.05S TC 12
MT. VERNON MOCLDY 56 55 97 CALM 30.07R TC 13
CENTRALIA* MOCLDY 57 55 92 CALM 30.07R TC 14
SALEM* MOCLDY 60 52 74 MISG 30.07R TC 16
METROPOLIS* CLOUDY 56 55 97 CALM 30.04R TC 13
ILZ067-068-072-073-078-083-087-091-271200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 51 48 89 NE6 30.07R TC 11
FLORA* MOCLDY 57 52 82 N5 30.07R TC 14
FAIRFIELD* MOCLDY 58 50 74 N5 30.06R TC 15
HARRISBURG* MOCLDY 59 54 83 CALM 30.06R TC 15
ROBINSON* PTCLDY 46 46 100 NW2 30.07S TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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