925  
ASUS43 KLOT 261606  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1100 AM 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.
 
 
ILZ001-002-007-009-015-016-024-261700-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE PTSUNNY 68 52 56 E9 30.18S TC 20  
STERLING* MOSUNNY 67 50 54 E8 30.22F TC 19  
SAVANNA* MOSUNNY 67 54 62 SE8 30.21F TC 20  

 
 
ILZ003-004-008-010-011-017-018-261700-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTSUNNY 64 51 62 SE6 30.25S TC 18  
FREEPORT* MOSUNNY 65 54 66 SE8 30.25S TC 19  
ROCHELLE* MOSUNNY 66 51 58 E7 30.24F TC 19  
DE KALB* MOSUNNY 64 50 60 SE8 30.25S TC 18  

 
 
ILZ005-006-012>014-019>023-261700-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 64 49 57 E3 30.24S TC 18  
CHICAGO-MIDWAY MOSUNNY 65 47 52 E7 30.24F TC 18  
AURORA MOSUNNY 66 51 58 SE9 30.24F TC 19  
JOLIET* MOSUNNY 67 50 54 SE6 30.24F TC 19  
WAUKEGAN SUNNY 62 49 62 SE9 30.25S TC 17  
DUPAGE AIRPORT MOSUNNY 64 50 60 SE7 30.24F TC 18  
KANKAKEE* MOSUNNY 66 48 52 E6 30.24F TC 19  
WHEELING MOSUNNY 63 48 58 VRB5 30.26F TC 17  
LANSING* SUNNY 65 46 51 SE5 30.24F TC 18  
NORTHERLY ISL* N/A 62 49 62 E5 N/A TC 17  

 
 
LMZ740>746-261700-  
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 61 64 70/ 8/ 12 1022.8R 2/ 4  
WAUKEGAN HARBOR 61 64 90/ 8/ 14 1023.6R 2/ 4  
WILMETTE BUOY 61 120/ 10/ 12 1026.2S 2/ 4  
CHICAGO BUOY 61 63 120/ 6/ 8 1023.1F 2/ 4  
HARRISON CRIB 60 110/ 6/ 7 N/A  
NORTHERLY ISL 63 100/ 5/ 8 N/A  
CALUMET HARBOR 61 70/ 5/ 6 1024.3  
MICHIGAN CITY 63 140/ 3/ 4 1023.5F  
MICH CITY BUOY 61 60 CALM / 2 N/A 1  
ST. JOSEPH BUOY 53 52 340/ 6/ 6 1024.9S 0  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-261700-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY LGT RAIN 63 56 78 SE6 30.18R TC 17  
GALESBURG* PTSUNNY 67 57 68 E7 30.20S TC 20  
MACOMB* CLOUDY 64 56 76 SE7 30.21R TC 18  
JACKSONVILLE* CLOUDY 66 52 61 SE5 30.18F TC 19  
PITTSFIELD* CLOUDY 65 54 67 E5 30.19R TC 18  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-261700-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC PTSUNNY 65 51 60 SE6 30.23F TC 19  
BLOOMINGTON PTSUNNY 67 52 58 E8 30.22F TC 19  
DECATUR PTSUNNY 68 50 52 SE9 30.20S TC 20  
PEORIA PTSUNNY 67 54 63 E7 30.20S TC 19  
LACON* MOSUNNY 67 48 50 SE6 30.21S TC 19  
SPRINGFIELD PTSUNNY 67 53 61 E7 30.19S TC 19  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-261700-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN PTSUNNY 67 52 58 E8 30.21F TC 19  
RANTOUL* MOSUNNY 65 49 56 CALM 30.22F TC 19  
MATTOON PTSUNNY 69 51 52 E5 30.19S TC 21  
PARIS* MOSUNNY 68 50 51 E6 30.21S TC 20  

 
 
ILZ079-100>102-261700-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON CLOUDY 66 52 59 E8 30.18F TC 19  
BELLEVILLE PTSUNNY 68 55 64 E5 30.16S TC 20  
CAHOKIA* PTSUNNY 67 54 63 SE8 30.16F TC 19  
SPARTA* PTSUNNY 67 51 56 CALM 30.19S TC 20  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261700-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLOUDY 66 52 59 CALM 30.17S TC 19  
CAIRO* CLOUDY 72 53 50 CALM 30.16S TC 22  
EFFINGHAM* PTSUNNY 66 51 57 E3 30.21S TC 19  
MARION CLOUDY 68 52 56 E5 30.17F TC 20  
MT. VERNON PTSUNNY 68 50 52 CALM 30.19S TC 20  
CENTRALIA* CLOUDY 66 52 60 E3 30.19S TC 19  
SALEM* CLOUDY 68 53 58 MISG 30.19S TC 20  
METROPOLIS* PTSUNNY 70 48 46 CALM 30.17S TC 21  

 
 
ILZ067-068-072-073-078-083-087-091-261700-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE MOSUNNY 70 50 49 SE3 30.19S TC 21  
FLORA* PTSUNNY 66 54 63 CALM 30.19F TC 19  
FAIRFIELD* PTSUNNY 66 50 55 CALM 30.19S TC 19  
HARRISBURG* PTSUNNY 68 52 57 CALM 30.18S TC 20  
ROBINSON* MOSUNNY 72 52 49 VRB3 30.19R TC 22  

 
 
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