602  
ASUS43 KLOT 130310  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 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.
 
 
ILZ001-002-007-009-015-016-024-130400-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLEAR 78 63 59 SW10 29.75R HX 80 TC 26  
STERLING* PTCLDY 77 62 59 SW12 29.76R TC 25  
SAVANNA* CLEAR 77 65 65 SW13 29.73S TC 25  

 
 
ILZ003-004-008-010-011-017-018-130400-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOCLDY 73 62 68 S9 29.75R TC 23  
FREEPORT* PTCLDY 78 65 64 SW15G22 29.75S TC 25  
ROCHELLE* PTCLDY 74 62 65 S6 29.76S TC 24  
DE KALB* MOCLDY 73 62 68 SW10 29.78R TC 23  

 
 
ILZ005-006-012>014-019>023-130400-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOCLDY 81 60 48 SW14G28 29.74R HX 82 TC 27  
CHICAGO-MIDWAY MOCLDY 80 60 50 SW15G28 29.75S HX 81 TC 27  
AURORA MOCLDY 74 61 63 S6 29.76R TC 23  
JOLIET* MOCLDY 80 61 52 S8 29.77S HX 81 TC 27  
WAUKEGAN PTCLDY 78 61 55 SW16 29.72R HX 80 TC 26  
DUPAGE AIRPORT MOCLDY 77 61 57 SW15 29.76R TC 25  
KANKAKEE* PTCLDY 75 58 55 S9 29.81S TC 24  
WHEELING PTCLDY 81 60 48 SW13G22 29.75R HX 82 TC 27  
ROMEOVILLE* MOCLDY 79 61 53 S13G20 29.78R HX 80 TC 26  
LANSING* PTCLDY 75 58 55 SW10 29.78S TC 24  
NORTHERLY ISL* N/A 81 56 42 S10 N/A HX 81 TC 27  

 
 
LMZ740>746-130400-  
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 73 53 1007.0 1/ 3  
WAUKEGAN HARBOR 76 62 230/ 16/ 21 1008.1 1/ 3  
WILMETTE BUOY 75 180/ 14/ 17 1009.4S 1/ 3  
CHICAGO BUOY 75 63 230/ 14/ 19 1006.4 1/ 2  
HARRISON CRIB 81 210/ 21/ 25 N/A  
NORTHERLY ISL 81 210/ 8/ 14 N/A  
CALUMET HARBOR 80 200/ 10/ 14 1007.9S  
MICHIGAN CITY 78 180/ 14/ 17 1006.5F  
MICH CITY BUOY 72 63 190/ 10/ 14 N/A 1/ 3  
ST. JOSEPH BUOY 71 62 180/ 10/ 12 1009.0F 1/ 2  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-130400-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLEAR 78 58 49 SW12 29.82R TC 26  
GALESBURG* PTCLDY 73 64 72 SW5 29.81R TC 23  
MACOMB* CLEAR 76 63 63 SW7 29.83R TC 24  
JACKSONVILLE* CLEAR 77 61 56 S9 29.83R TC 25  
PITTSFIELD* CLEAR 79 60 50 S8 29.84S HX 80 TC 26  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-130400-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC MOCLDY 79 61 54 S12 29.80R HX 80 TC 26  
BLOOMINGTON PTCLDY 78 61 55 SW13 29.83S HX 80 TC 26  
DECATUR CLEAR 77 59 53 SW13 29.85S TC 25  
PEORIA PTCLDY 76 62 62 SW12 29.80R TC 24  
LACON* MOCLDY 78 61 55 SW6 29.77S HX 80 TC 26  
SPRINGFIELD CLEAR 78 60 53 S13 29.83R TC 26  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-130400-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN PTCLDY 73 59 61 S13 29.85S TC 23  
RANTOUL* PTCLDY 75 58 55 S8 29.84F TC 24  
MATTOON CLEAR 77 60 55 S9 29.88R TC 25  
PARIS* PTCLDY 74 58 57 S12 29.89R TC 23  

 
 
ILZ079-100>102-130400-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON CLEAR 79 59 50 S12 29.87S HX 80 TC 26  
BELLEVILLE CLEAR 75 64 68 SW6 29.86S TC 24  
CAHOKIA* CLEAR 78 62 57 S5 29.87R HX 80 TC 26  
SPARTA* CLEAR 78 62 57 S7 29.92S TC 25  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-130400-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 69 61 75 S6 29.92S TC 21  
CAIRO* CLEAR 74 60 60 S5 29.96R TC 24  
EFFINGHAM* CLEAR 75 58 54 SE5 29.91S TC 24  
MARION CLEAR 72 59 64 SW6 29.93S TC 22  
MT. VERNON CLEAR 71 60 68 SW5 29.92R TC 22  
SALEM* CLEAR 81 63 54 MISG 29.90S HX 82 TC 27  
METROPOLIS* CLEAR 68 59 73 SE3 29.96R TC 20  

 
 
ILZ067-068-072-073-078-083-087-091-130400-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE CLEAR 70 62 76 S8 29.91S TC 21  
FLORA* CLEAR 73 61 64 S7 29.91S TC 23  
FAIRFIELD* CLEAR 73 59 61 S5 29.92S TC 23  
HARRISBURG* CLEAR 67 61 82 CALM 29.94S TC 19  
ROBINSON* CLEAR 73 61 64 S9 29.90S TC 23  

 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  

 
 
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page Main Text Page