826  
ASUS43 KLOT 261910  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
200 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.  
 
ILZ001-002-007-009-015-016-024-262000-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE CLOUDY 73 51 46 E5 30.15F TC 23  
STERLING* MOSUNNY 72 46 39 SE6 30.18F TC 22  
SAVANNA* PTSUNNY 73 51 46 SE5 30.17F TC 23  
 
 
ILZ003-004-008-010-011-017-018-262000-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD PTSUNNY 71 47 42 E7 30.19F TC 22  
FREEPORT* MOSUNNY 72 51 47 SE3 30.20F TC 22  
ROCHELLE* MOSUNNY 71 46 41 SE6 30.19F TC 21  
DE KALB* MOSUNNY 69 48 47 S5 30.20F TC 20  
PERU* MOSUNNY 72 50 46 NE3 30.17F TC 22  
 
 
ILZ005-006-012>014-019>023-262000-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE PTSUNNY 68 47 46 NE9 30.18F TC 20  
CHICAGO-MIDWAY PTSUNNY 67 46 47 NE6G16 30.19F TC 19  
AURORA MOSUNNY 70 48 45 SE7 30.18F TC 21  
JOLIET* MOSUNNY 71 48 43 NE5 30.18F TC 22  
WAUKEGAN MOSUNNY 62 49 62 E7 30.21F TC 17  
DUPAGE AIRPORT MOSUNNY 68 50 52 VRB6 30.18 TC 20  
KANKAKEE* MOSUNNY 71 46 40 E7 30.18F TC 22  
WHEELING MOSUNNY 66 46 48 NE7 30.22F TC 19  
LANSING* MOSUNNY 69 47 45 E7 30.19F TC 21  
NORTHERLY ISL* N/A 65 50 58 NE7 N/A TC 18  
 
 
LMZ740>746-262000-  
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 65 20/ 6/ 10 1021.3 2/ 3  
WAUKEGAN HARBOR 61 64 40/ 6/ 10 1022.2 1/ 4  
WILMETTE BUOY 61 40/ 6/ 8 1025.0F 1/ 4  
CHICAGO BUOY 62 64 50/ 8/ 12 1021.3 1/ 4  
HARRISON CRIB 61 50/ 7/ 7 N/A  
NORTHERLY ISL 65 30/ 4/ 6 N/A  
CALUMET HARBOR 64 20/ 8/ 10 1022.9  
MICHIGAN CITY 62 20/ 9/ 10 1022.0F  
MICH CITY BUOY 59 61 20/ 10/ 14 N/A 1/ 2  
ST. JOSEPH BUOY 53 53 360/ 4/ 6 1023.3F 1  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-262000-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY CLOUDY 62 57 83 E8 30.15F TC 17  
GALESBURG* CLOUDY 69 54 58 E5 30.18F TC 21  
MACOMB* CLOUDY 66 54 65 CALM 30.20F TC 19  
JACKSONVILLE* CLOUDY 68 50 51 CALM 30.16F TC 20  
PITTSFIELD* LGT RAIN 65 56 72 CALM 30.18S TC 19  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-262000-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PONTIAC MOSUNNY 73 45 35 E6 30.16F TC 23  
BLOOMINGTON MOSUNNY 72 50 45 SE6 30.17F TC 22  
DECATUR CLOUDY 74 47 38 SE5 30.15F TC 23  
PEORIA CLOUDY 70 51 51 NE5 30.16F TC 21  
LACON* MOSUNNY 72 45 38 CALM 30.16F TC 22  
LINCOLN* CLOUDY 76 50 39 E5 30.15F TC 25  
SPRINGFIELD PTSUNNY 71 50 47 CALM 30.16F TC 22  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-262000-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN MOSUNNY 72 48 42 VRB5 30.16F TC 22  
RANTOUL* MOSUNNY 74 46 36 SE6 30.16F TC 23  
MATTOON MOSUNNY 75 43 31 CALM 30.14F TC 24  
PARIS* MOSUNNY 74 48 39 E6 30.15F TC 23  
 
 
ILZ079-100>102-262000-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON CLOUDY 72 48 43 E5 30.16 TC 22  
BELLEVILLE PTSUNNY 74 50 42 CALM 30.11F TC 23  
CAHOKIA* CLOUDY 69 55 60 CALM 30.14F TC 21  
SPARTA* PTSUNNY 73 47 39 SE6 30.13F TC 23  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-262000-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE N/A 75 46 35 VRB5 30.12F TC 24  
CAIRO* MOSUNNY 79 47 32 NE9 30.10F TC 26  
EFFINGHAM* PTSUNNY 73 46 37 CALM 30.16F TC 23  
MARION MOSUNNY 75 43 31 E6 30.13F TC 24  
MT. VERNON CLOUDY 72 46 39 E5 30.14F TC 22  
CENTRALIA* CLOUDY 71 48 44 CALM 30.15F TC 22  
SALEM* CLOUDY 71 51 48 MISG 30.15F TC 22  
METROPOLIS* PTSUNNY 74 46 37 NE3 30.12F TC 24  
 
 
ILZ067-068-072-073-078-083-087-091-262000-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE MOSUNNY 76 43 30 MISG 30.13F TC 24  
FLORA* PTSUNNY 75 48 38 CALM 30.14F TC 24  
FAIRFIELD* PTSUNNY 72 44 37 CALM 30.13F TC 22  
HARRISBURG* PTSUNNY 73 47 39 E3 30.12F TC 23  
ROBINSON* MOSUNNY 77 48 36 VRB2 30.13F TC 25  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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