674
ASUS43 KLOT 270306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT SAT SEP 26 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.
ILZ001-002-007-009-015-016-024-270400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 61 58 90 CALM 30.09S TC 16
STERLING* MOCLDY 58 52 80 E7 30.12S TC 14
SAVANNA* CLOUDY 64 51 64 E5 30.11R TC 18
ILZ003-004-008-010-011-017-018-270400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 57 48 72 VRB6 30.15S TC 14
FREEPORT* MOCLDY 58 52 81 CALM 30.15R TC 15
ROCHELLE* MOCLDY 55 50 84 E5 30.14S TC 13
DE KALB* PTCLDY 52 48 87 E5 30.15S TC 11
ILZ005-006-012>014-019>023-270400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 56 48 74 CALM 30.14R TC 13
CHICAGO-MIDWAY PTCLDY 59 50 72 NE3 30.14S TC 15
AURORA PTCLDY 54 49 83 NE3 30.14R TC 12
JOLIET* PTCLDY 58 52 82 E5 30.14S TC 14
WAUKEGAN PTCLDY 48 48 100 CALM 30.14S TC 9
DUPAGE AIRPORT PTCLDY 50 46 86 NE3 30.14S TC 10
KANKAKEE* PTCLDY 53 50 90 NE7 30.14R TC 12
WHEELING PTCLDY 52 50 93 CALM 30.16S TC 11
ROMEOVILLE* PTCLDY 54 52 94 NE8 30.14S TC 12
LANSING* PTCLDY 54 51 89 CALM 30.14S TC 12
NORTHERLY ISL* N/A 61 54 77 E6 N/A TC 16
LMZ740>746-270400-
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 64 50/ 10/ 14 1019.4R 1/ 2
WAUKEGAN HARBOR 64 64 50/ 10/ 12 1020.1R 1/ 2
WILMETTE BUOY 63 80/ 10/ 14 1022.2R 1/ 2
CHICAGO BUOY 63 64 90/ 8/ 12 1019.3R 1/ 2
HARRISON CRIB 63 80/ 10/ 11 N/A
NORTHERLY ISL 60 70/ 6/ 8 N/A
CALUMET HARBOR 61 60/ 6/ 7 1020.6R
MICHIGAN CITY 60 40/ 13/ 14 1019.8R
MICH CITY BUOY 60 61 50/ 14/ 17 N/A 1/ 2
ST. JOSEPH BUOY 55 53 40/ 8/ 10 1021.3S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-270400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 60 55 83 SE3 30.08R TC 16
GALESBURG* MOCLDY 57 57 99 CALM 30.12R TC 14
MACOMB* CLOUDY 57 57 100 CALM 30.11F TC 14
JACKSONVILLE* PTCLDY 58 58 100 CALM 30.09S TC 15
PITTSFIELD* MOCLDY 58 57 94 E5 30.10S FOG TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-270400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 56 52 84 E6 30.12S TC 14
BLOOMINGTON MOCLDY 60 50 69 NE5 30.12R TC 16
DECATUR MOCLDY 61 52 72 CALM 30.09S TC 16
PEORIA MOCLDY 64 56 75 CALM 30.09S TC 18
LACON* MOCLDY 61 48 62 E9 30.10S TC 16
LINCOLN* MOCLDY 66 55 68 CALM 30.09S TC 19
SPRINGFIELD CLOUDY 63 57 81 CALM 30.09R TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 58 50 75 E8 30.10S TC 14
RANTOUL* PTCLDY 59 49 69 E3 30.11S TC 15
MATTOON MOCLDY 61 52 72 CALM 30.08S TC 16
PARIS* PTCLDY 56 52 89 CALM 30.10S TC 13
ILZ079-100>102-270400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 61 59 92 CALM 30.06S TC 16
CAHOKIA* FOG 58 58 100 CALM 30.07F VSB 3/4 TC 14
SPARTA* PTCLDY 60 51 72 CALM 30.09S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 64 53 69 CALM 30.07S TC 18
EFFINGHAM* MOCLDY 60 56 88 CALM 30.10S TC 16
MARION MOCLDY 63 52 67 NE2 30.07S TC 17
MT. VERNON MOCLDY 61 56 83 CALM 30.08S TC 16
CENTRALIA* MOCLDY 61 56 85 CALM 30.08S TC 16
SALEM* MOCLDY 64 56 74 MISG 30.09R TC 18
METROPOLIS* MOCLDY 61 52 71 CALM 30.06F TC 16
ILZ067-068-072-073-078-083-087-091-270400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 61 52 72 CALM 30.08S TC 16
FLORA* MOCLDY 64 54 68 N3 30.08S TC 18
FAIRFIELD* MOCLDY 64 52 64 CALM 30.08R TC 18
HARRISBURG* MOCLDY 64 53 66 N3 30.07F TC 18
ROBINSON* PTCLDY 54 54 100 W1 30.08S TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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