738
ASUS43 KLOT 281412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT MON SEP 28 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.
ILZ001-002-007-009-015-016-024-281500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 58 54 86 E3 30.13F TC 14
STERLING* MOSUNNY 55 55 100 CALM 30.15S TC 13
SAVANNA* MOSUNNY 58 58 99 CALM 30.13F TC 15
ILZ003-004-008-010-011-017-018-281500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 56 53 90 CALM 30.15S TC 13
FREEPORT* MOSUNNY 58 56 95 CALM 30.16S TC 14
ROCHELLE* MOSUNNY 55 55 100 CALM 30.14S TC 13
DE KALB* PTSUNNY 56 56 100 CALM 30.14S TC 13
PERU* MOSUNNY 61 54 77 CALM 30.14S TC 16
ILZ005-006-012>014-019>023-281500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 60 52 74 N3 30.11S TC 16
CHICAGO-MIDWAY MOSUNNY 61 55 81 N6 30.11S TC 16
AURORA MOSUNNY 58 54 86 NW5 30.13R TC 14
JOLIET* MOSUNNY 57 57 100 CALM 30.13S TC 14
WAUKEGAN PTSUNNY 57 53 86 NW6 30.12R TC 14
DUPAGE AIRPORT MOSUNNY 57 53 86 N5 30.13S TC 14
KANKAKEE* PTSUNNY 55 54 95 CALM 30.13S TC 13
WHEELING PTSUNNY 59 53 80 NW5 30.13S TC 15
LANSING* MOSUNNY 60 56 88 CALM 30.12S TC 15
NORTHERLY ISL* N/A 65 58 78 N6 N/A TC 18
LMZ740>746-281500-
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 64 320/ 8/ 12 1018.5 1/ 4
WAUKEGAN HARBOR 60 64 290/ 8/ 12 1019.3 1/ 4
WILMETTE BUOY 61 330/ 10/ 14 1021.4R 2/ 4
CHICAGO BUOY 61 63 330/ 10/ 17 1018.5 2/ 4
HARRISON CRIB 60 330/ 10/ 10 N/A
NORTHERLY ISL 63 310/ 3/ 5 N/A
CALUMET HARBOR 58 260/ 2/ 4 1019.6
MICHIGAN CITY 62 310/ 1/ 1 1018.5R
MICH CITY BUOY 60 61 20/ 4/ 6 N/A 1/ 4
ST. JOSEPH BUOY 56 59 20/ 4/ 6 1020.0R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-281500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 62 54 74 SE5 30.12S TC 17
GALESBURG* SUNNY 60 55 82 CALM 30.15S TC 16
MACOMB* SUNNY 59 56 87 CALM 30.16S TC 15
JACKSONVILLE* MOSUNNY 58 53 83 CALM 30.13S TC 14
PITTSFIELD* MOSUNNY 64 51 62 E5 30.14S TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-281500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 55 55 100 CALM 30.14S TC 13
BLOOMINGTON MOSUNNY 59 55 87 N6 30.14S TC 15
DECATUR MOSUNNY 56 56 100 N3 30.14R TC 13
PEORIA SUNNY 57 53 86 CALM 30.14R TC 14
LACON* FOG 52 50 95 CALM 30.14R VSB<1/4 TC 11
LINCOLN* MOSUNNY 59 57 94 NE6 30.13F TC 15
SPRINGFIELD MOSUNNY 56 51 84 CALM 30.13S TC 13
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FOG 55 54 96 N5 30.13R VSB 1/4 TC 13
RANTOUL* FOG 54 53 99 N5 30.13R VSB 1/4 TC 12
MATTOON MOSUNNY 53 53 100 N5 30.11R FOG TC 12
PARIS* SUNNY 58 53 83 NE3 30.11S TC 14
ILZ079-100>102-281500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 61 46 59 E3 30.12R TC 16
CAHOKIA* MOSUNNY 63 51 65 E3 30.11R TC 17
SPARTA* MOSUNNY 64 49 59 NE3 30.11S TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 55 52 88 CALM 30.10R TC 13
CAIRO* SUNNY 65 53 65 CALM 30.09S TC 18
EFFINGHAM* SUNNY 58 51 77 CALM 30.13R TC 15
MT. VERNON MOSUNNY 61 50 67 NE5 30.11R TC 16
CENTRALIA* MOSUNNY 60 51 72 CALM 30.11S TC 15
SALEM* MOSUNNY 62 52 71 MISG 30.11R TC 17
METROPOLIS* SUNNY 64 49 58 CALM 30.08S TC 18
ILZ067-068-072-073-078-083-087-091-281500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 59 51 75 CALM 30.10R TC 15
FLORA* SUNNY 59 52 77 N5 30.11R TC 15
FAIRFIELD* SUNNY 58 49 73 CALM 30.10R TC 14
HARRISBURG* SUNNY 60 51 72 N5 30.10R TC 16
ROBINSON* SUNNY 57 54 88 VRB3 30.10S TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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