265
ASUS43 KLOT 130401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT MON OCT 12 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.
ILZ001-002-007-009-015-016-024-130500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 78 62 57 SW13 29.75S HX 80 TC 26
STERLING* CLEAR 76 62 62 SW12 29.77R TC 24
SAVANNA* CLEAR 78 65 63 SW12G17 29.74S HX 80 TC 25
ILZ003-004-008-010-011-017-018-130500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 76 62 62 S12 29.75S TC 24
FREEPORT* CLEAR 75 65 71 SW13 29.76R TC 24
DE KALB* PTCLDY 74 62 65 SW10 29.79R TC 24
ILZ005-006-012>014-019>023-130500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 80 60 50 SW16G25 29.74S HX 81 TC 27
CHICAGO-MIDWAY MOCLDY 79 60 52 SW13 29.76R HX 80 TC 26
AURORA PTCLDY 75 62 64 SW9 29.77R TC 24
JOLIET* PTCLDY 78 62 56 SW8 29.78S HX 80 TC 26
WAUKEGAN PTCLDY 78 61 55 SW17G28 29.72S HX 80 TC 26
DUPAGE AIRPORT PTCLDY 75 62 64 SW10 29.77R TC 24
WHEELING PTCLDY 80 61 52 SW12G20 29.76R HX 81 TC 27
LANSING* MOCLDY 75 58 56 SW12 29.79R TC 24
NORTHERLY ISL* N/A 80 57 45 S13 N/A HX 80 TC 27
LMZ740>746-130500-
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 74 53 1007.1R 1/ 3
WAUKEGAN HARBOR 75 61 230/ 14/ 21 1008.2R 1/ 3
WILMETTE BUOY 75 190/ 14/ 17 1009.6R 1/ 3
CHICAGO BUOY 77 63 240/ 16/ 21 1006.6R 1/ 2
HARRISON CRIB 82 220/ 25/ 28 N/A
NORTHERLY ISL 81 240/ 9/ 14 N/A
CALUMET HARBOR 80 200/ 10/ 12 1008.0
MICHIGAN CITY 77 170/ 11/ 13 1006.5S
MICH CITY BUOY 72 63 200/ 12/ 16 N/A 1/ 3
ST. JOSEPH BUOY 71 62 190/ 10/ 14 1009.0S 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-130500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 77 57 50 SW9 29.84R TC 25
MACOMB* CLEAR 72 63 73 SW8 29.84R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-130500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 77 60 55 SW13 29.84R TC 25
DECATUR PTCLDY 76 61 59 SW15 29.86R TC 24
PEORIA PTCLDY 74 61 63 SW5 29.82R TC 23
SPRINGFIELD PTCLDY 77 60 55 S10 29.84R TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-130500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 74 60 61 S13 29.86R TC 23
MATTOON PTCLDY 75 60 59 S9 29.87F TC 24
ILZ079-100>102-130500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 76 65 67 SW8 29.86S TC 24
CAHOKIA* CLEAR 79 61 53 VRB7 29.87S HX 80 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-130500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 69 61 75 CALM 29.92S TC 21
MT. VERNON CLEAR 71 61 70 SW5 29.91F TC 22
CENTRALIA* CLEAR 79 61 53 SW13 29.90S HX 80 TC 26
SALEM* CLEAR 80 63 56 MISG 29.90S HX 81 TC 27
ILZ067-068-072-073-078-083-087-091-130500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 68 61 78 S6 29.92R TC 20
FAIRFIELD* CLEAR 70 59 67 CALM 29.92S TC 21
HARRISBURG* CLEAR 69 62 78 CALM 29.94S TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page