488
ASUS43 KLOT 280103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM 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.
ILZ001-002-007-009-015-016-024-280200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 60 57 89 CALM 30.07R TC 16
STERLING* PTCLDY 64 50 60 CALM 30.08S TC 18
SAVANNA* PTCLDY 63 57 80 CALM 30.08S TC 17
ILZ003-004-008-010-011-017-018-280200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 58 52 80 CALM 30.10R TC 14
FREEPORT* PTCLDY 60 53 78 CALM 30.11S TC 16
DE KALB* MOCLDY 62 50 66 NE3 30.09S TC 16
ILZ005-006-012>014-019>023-280200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 62 54 74 N10 30.08R TC 17
CHICAGO-MIDWAY PTCLDY 62 55 77 N5 30.07S TC 17
AURORA MOCLDY 57 52 83 NE5 30.08R TC 14
JOLIET* PTCLDY 62 53 71 CALM 30.09R TC 17
WAUKEGAN PTCLDY 54 54 100 CALM 30.08S TC 12
DUPAGE AIRPORT MOCLDY 59 49 69 N5 30.08S TC 15
WHEELING PTCLDY 58 55 90 CALM 30.10S TC 14
LANSING* PTCLDY 60 53 80 N3 30.08S TC 15
NORTHERLY ISL* N/A 61 54 77 MISG N/A TC 16
LMZ740>746-280200-
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 65 360/ 6/ 8 1017.7R 1/ 2
WAUKEGAN HARBOR 64 64 340/ 6/ 10 1018.4S 1/ 3
WILMETTE BUOY 65 20/ 8/ 10 1020.6F 1/ 2
CHICAGO BUOY 65 64 10/ 8/ 10 1017.4S 1/ 2
HARRISON CRIB 64 10/ 8/ 8 N/A
NORTHERLY ISL 61 10/ 5/ 7 N/A
CALUMET HARBOR 63 350/ 5/ 7 1018.4
MICHIGAN CITY 61 20/ 6/ 7 1017.5S
MICH CITY BUOY 62 63 20/ 6/ 8 N/A 1
ST. JOSEPH BUOY 56 58 300/ 2/ 2 1018.7F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-280200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 61 57 87 N3 30.07R TC 16
GALESBURG* MOCLDY 60 57 89 N6 30.08S TC 16
MACOMB* CLOUDY 64 59 84 NW5 30.09S TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-280200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 62 47 57 N7 30.07R TC 17
DECATUR PTCLDY 62 49 62 CALM 30.05R TC 17
PEORIA MOCLDY 64 51 62 CALM 30.07R TC 18
LACON* MOCLDY 59 52 77 CALM 30.06S TC 15
LINCOLN* PTCLDY 64 54 68 CALM 30.06R TC 18
SPRINGFIELD PTCLDY 61 56 83 NW5 30.05R TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 59 48 67 N6 30.05R TC 15
MATTOON MOCLDY 60 52 74 CALM 30.03R TC 16
ILZ079-100>102-280200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 64 57 77 VRB3 30.04S TC 18
CAHOKIA* PTCLDY 65 56 72 CALM 30.03R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 67 54 63 CALM 30.01R TC 19
EFFINGHAM* MOCLDY 58 53 83 CALM 30.05R TC 15
MT. VERNON PTCLDY 57 52 83 CALM 30.03R TC 14
SALEM* PTCLDY 62 51 67 MISG 30.03R TC 17
ILZ067-068-072-073-078-083-087-091-280200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 62 48 60 N5 30.02R TC 17
FLORA* PTCLDY 61 54 77 CALM 30.03R TC 16
FAIRFIELD* PTCLDY 61 48 63 CALM 30.02S TC 16
HARRISBURG* PTCLDY 62 51 66 CALM 30.02S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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