650
ASUS43 KLOT 291110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT TUE SEP 29 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.
ILZ001-002-007-009-015-016-024-291200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 46 45 96 CALM 30.02R TC 8
STERLING* PTCLDY 49 49 100 E5 30.03F TC 9
SAVANNA* PTCLDY 50 50 99 CALM 30.03S FOG TC 10
ILZ003-004-008-010-011-017-018-291200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 48 48 100 CALM 30.05F FOG TC 9
FREEPORT* PTCLDY 48 47 95 E5 30.04F TC 9
ROCHELLE* CLEAR 48 48 100 E3 30.04F TC 9
DE KALB* CLEAR 49 49 100 CALM 30.06S FOG TC 9
PERU* CLEAR 52 50 93 NE5 30.04S TC 11
ILZ005-006-012>014-019>023-291200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 54 53 97 CALM 30.03F FOG TC 12
CHICAGO-MIDWAY PTCLDY 56 55 97 CALM 30.04F TC 13
AURORA CLEAR 46 46 100 CALM 30.04S FOG TC 8
JOLIET* N/A 50 50 100 CALM 30.05F FOG TC 10
WAUKEGAN FOG 48 48 100 CALM 30.04F VSB 1/2 TC 9
DUPAGE AIRPORT FOG 50 49 96 CALM 30.05S VSB 3/4 TC 10
KANKAKEE* FOG 47 45 95 CALM 30.06S VSB 1/2 TC 8
WHEELING FOG 51 51 100 CALM 30.05F VSB 1/4 TC 11
LANSING* CLOUDY 48 48 100 CALM 30.05S FOG TC 9
NORTHERLY ISL* N/A 59 56 89 CALM N/A TC 15
LMZ740>746-291200-
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 58 64 220/ 2/ 2 1016.4 0
WAUKEGAN HARBOR 60 65 340/ 2/ 2 1017.1 0
WILMETTE BUOY 62 350/ 2/ 4 1019.1 0
CHICAGO BUOY 63 64 140/ 2/ 2 1016.4 0
HARRISON CRIB 63 200/ 1/ 1 N/A
NORTHERLY ISL 60 260/ 3/ 3 N/A
CALUMET HARBOR 56 CALM / 2 1017.6
MICHIGAN CITY 57 140/ 7/ 8 1016.5
MICH CITY BUOY 60 62 160/ 2/ 4 N/A 1
ST. JOSEPH BUOY 59 61 140/ 4/ 4 1018.4R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-291200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 56 46 69 SE8 30.00S TC 13
GALESBURG* PTCLDY 50 50 99 SE3 30.04R TC 10
MACOMB* CLEAR 45 45 100 CALM 30.05R TC 7
JACKSONVILLE* CLEAR 45 45 100 CALM 30.02S TC 7
PITTSFIELD* CLEAR 48 47 99 CALM 30.03R TC 9
ILZ028>032-037-038-041>044-048-051>054-059>061-291200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 48 48 100 E5 30.05R FOG TC 9
BLOOMINGTON CLEAR 52 49 89 SE5 30.05S TC 11
DECATUR CLEAR 47 44 90 CALM 30.05R TC 8
PEORIA CLEAR 51 49 92 CALM 30.03R TC 11
LACON* CLEAR 47 45 93 CALM 30.03S TC 8
SPRINGFIELD CLEAR 46 44 93 CALM 30.03R TC 8
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 50 48 93 E6 30.05R TC 10
RANTOUL* CLEAR 48 48 98 CALM 30.06R TC 9
MATTOON CLEAR 49 48 97 CALM 30.04R TC 9
PARIS* FOG 45 44 97 CALM 30.06R VSB 1/2 TC 7
ILZ079-100>102-291200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 51 47 88 CALM 30.03R TC 11
BELLEVILLE CLEAR 52 51 97 CALM 30.01R TC 11
CAHOKIA* CLEAR 50 50 100 CALM 30.02R TC 10
SPARTA* CLEAR 54 48 81 CALM 30.04R TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 53 53 99 CALM 30.03R TC 12
EFFINGHAM* CLEAR 49 47 95 CALM 30.06R TC 9
MARION CLEAR 50 50 100 NE1 30.03R TC 10
MT. VERNON CLEAR 44 43 96 CALM 30.04R TC 7
CENTRALIA* CLEAR 47 45 95 CALM 30.03R TC 8
SALEM* CLEAR 49 48 97 MISG 30.03S TC 9
METROPOLIS* CLEAR 48 48 97 CALM 30.03R TC 9
ILZ067-068-072-073-078-083-087-091-291200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 51 50 96 E3 30.04R TC 11
FLORA* CLEAR 50 N/A N/A CALM 30.04S TC 10
FAIRFIELD* CLEAR 50 48 93 CALM 30.03S TC 10
HARRISBURG* CLEAR 47 47 99 CALM 30.03S TC 9
ROBINSON* FOG 45 45 100 SW1 30.04S VSB<1/4 TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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