430
ASUS43 KLOT 281711
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-281800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 71 54 54 VRB5 30.10F TC 22
STERLING* MOSUNNY 73 48 41 NE5 30.12F TC 23
SAVANNA* SUNNY 70 58 63 W3 30.12F TC 21
ILZ003-004-008-010-011-017-018-281800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 71 53 52 NW5 30.13F TC 22
FREEPORT* MOSUNNY 71 57 61 N3 30.14F TC 21
ROCHELLE* MOSUNNY 70 48 44 NE3 30.12F TC 21
DE KALB* SUNNY 70 48 46 E3 30.12F TC 21
ILZ005-006-012>014-019>023-281800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 69 55 60 NE3 30.10F TC 21
CHICAGO-MIDWAY MOSUNNY 70 56 61 CALM 30.10F TC 21
AURORA SUNNY 69 52 54 VRB3 30.11F TC 21
JOLIET* SUNNY 71 56 59 CALM 30.11F TC 22
WAUKEGAN SUNNY 68 56 65 NE3 30.11S TC 20
DUPAGE AIRPORT SUNNY 69 53 56 VRB3 30.11F TC 21
KANKAKEE* SUNNY 68 54 60 CALM 30.11F TC 20
WHEELING MOSUNNY 68 57 68 NE6 30.12F TC 20
ROMEOVILLE* MOSUNNY 70 57 64 VRB3 30.11F TC 21
LANSING* SUNNY 70 58 66 NE6 30.11S TC 21
NORTHERLY ISL* N/A 67 59 75 NW8 N/A TC 19
LMZ740>746-281800-
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 64 65 350/ 8/ 10 1018.7 1/ 4
WAUKEGAN HARBOR 64 64 330/ 6/ 10 1019.4 1/ 4
WILMETTE BUOY 63 360/ 8/ 10 1021.6F 2/ 4
CHICAGO BUOY 64 64 350/ 8/ 10 1018.3 2/ 4
HARRISON CRIB 63 350/ 9/ 9 N/A
NORTHERLY ISL 67 330/ 9/ 10 N/A
CALUMET HARBOR 64 340/ 9/ 12 1019.6F
MICHIGAN CITY 65 10/ 3/ 4 1018.6S
MICH CITY BUOY 60 61 360/ 2/ 4 N/A 1/ 4
ST. JOSEPH BUOY 57 60 330/ 6/ 8 1019.8F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-281800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 73 50 44 E5 30.10F TC 23
GALESBURG* SUNNY 71 54 55 E6 30.13F TC 22
MACOMB* SUNNY 72 52 50 N3 30.13F TC 22
JACKSONVILLE* SUNNY 70 51 51 NE5 30.11F TC 21
PITTSFIELD* MOSUNNY 74 49 41 NE5 30.12F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-281800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 71 53 52 E6 30.11F TC 22
BLOOMINGTON MOSUNNY 69 53 56 NE7 30.12F TC 21
DECATUR MOSUNNY 67 52 58 E3 30.11F TC 19
PEORIA SUNNY 69 49 48 N5 30.11F TC 21
LACON* SUNNY 68 50 52 N6 30.11F TC 20
SPRINGFIELD SUNNY 71 46 40 N7 30.10F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 65 55 70 VRB3 30.11F TC 18
RANTOUL* MOSUNNY 67 58 71 N5 30.11F TC 20
MATTOON SUNNY 70 49 47 CALM 30.08F TC 21
PARIS* SUNNY 72 49 44 E3 30.09F TC 22
ILZ079-100>102-281800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 75 46 35 VRB5 30.10S TC 24
BELLEVILLE MOSUNNY 77 46 33 E6 30.07F TC 25
CAHOKIA* SUNNY 76 48 37 E3 30.09F TC 24
SPARTA* SUNNY 76 45 32 CALM 30.09F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 75 46 35 NE6 30.08F TC 24
CAIRO* MOSUNNY 78 48 35 E3 30.07F TC 26
EFFINGHAM* SUNNY 72 43 35 CALM 30.10F TC 22
MT. VERNON SUNNY 77 47 34 VRB5 30.08F TC 25
CENTRALIA* SUNNY 76 46 34 CALM 30.09F TC 25
SALEM* SUNNY 76 49 39 MISG 30.09F TC 24
METROPOLIS* SUNNY 77 45 31 SE3 30.07F TC 25
ILZ067-068-072-073-078-083-087-091-281800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 74 49 41 N5 30.08F TC 23
FLORA* SUNNY 73 50 43 E3 30.09F TC 23
FAIRFIELD* SUNNY 76 45 33 N5 30.08F TC 24
HARRISBURG* SUNNY 77 48 35 E5 30.08F TC 25
ROBINSON* SUNNY 75 50 41 NE3 30.07F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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