794
ASUS43 KLOT 290101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-290200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 60 55 83 CALM 30.03R TC 16
STERLING* CLEAR 59 49 69 CALM 30.04S TC 15
SAVANNA* CLEAR 64 60 86 E6 30.04R TC 18
ILZ003-004-008-010-011-017-018-290200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 62 48 60 E3 30.05S TC 17
FREEPORT* CLEAR 61 54 79 SE3 30.06R TC 16
DE KALB* CLEAR 62 49 62 E7 30.06S TC 17
ILZ005-006-012>014-019>023-290200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 64 55 72 E6 30.05S TC 18
CHICAGO-MIDWAY PTCLDY 65 56 72 E6 30.06R TC 18
AURORA CLEAR 61 54 77 E7 30.05R TC 16
JOLIET* CLEAR 64 55 73 E3 30.06S TC 18
WAUKEGAN CLEAR 56 56 100 CALM 30.05S TC 13
DUPAGE AIRPORT CLEAR 62 52 69 CALM 30.06R TC 17
WHEELING CLEAR 62 58 86 CALM 30.07S TC 17
LANSING* CLEAR 60 54 79 CALM 30.07R TC 16
NORTHERLY ISL* N/A 61 58 90 N3 N/A TC 16
LMZ740>746-290200-
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 65 65 40/ 2/ 4 1017.0R 1
WAUKEGAN HARBOR 65 65 20/ 2/ 4 1017.9R 1
WILMETTE BUOY 65 360/ 2/ 4 1020.0R 1/ 3
CHICAGO BUOY 64 64 340/ 2/ 2 1016.9R 1/ 3
HARRISON CRIB 64 40/ 2/ 2 N/A
NORTHERLY ISL 62 30/ 3/ 5 N/A
CALUMET HARBOR 63 350/ 2/ 3 1017.9
MICHIGAN CITY 62 20/ 4/ 4 1017.1R
MICH CITY BUOY 62 62 340/ 4/ 4 N/A 1/ 3
ST. JOSEPH BUOY 61 60 10/ 4/ 4 1018.3R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-290200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 67 51 56 E6 30.03R TC 19
GALESBURG* CLEAR 58 53 84 CALM 30.05R TC 15
MACOMB* CLEAR 58 50 74 CALM 30.06R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-290200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 66 45 46 NE3 30.05R TC 19
DECATUR CLEAR 62 49 62 CALM 30.04R TC 17
PEORIA CLEAR 60 52 74 CALM 30.04R TC 16
LACON* CLEAR 57 50 76 CALM 30.03S TC 14
SPRINGFIELD CLEAR 56 50 80 CALM 30.03R TC 13
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-290200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 59 49 69 E5 30.04S TC 15
MATTOON PTCLDY 64 52 64 CALM 30.03R TC 18
ILZ079-100>102-290200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 59 54 83 CALM 30.01R TC 15
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 64 52 63 CALM 30.00S TC 18
CAIRO* CLEAR 65 56 72 CALM 30.01R TC 18
EFFINGHAM* CLEAR 60 53 76 CALM 30.04S TC 16
MT. VERNON CLEAR 57 51 80 CALM 30.02R TC 14
CENTRALIA* CLEAR 58 50 73 CALM 30.02S TC 15
SALEM* CLEAR 62 50 66 MISG 30.02S TC 16
ILZ067-068-072-073-078-083-087-091-290200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 64 51 62 NE3 30.02R TC 18
FLORA* CLEAR 68 50 52 NW3 30.02S TC 20
FAIRFIELD* CLEAR 62 50 63 CALM 30.02R TC 17
HARRISBURG* CLEAR 62 51 69 CALM 30.02R TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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