047  
ASUS43 KLOT 221811  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
100 PM CDT TUE JUL 22 2025  
 
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.
 
 
ILZ001-002-007-009-015-016-024-221900-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE PTSUNNY 85 75 72 SE12 30.02S HX 93 TC 29  
6HR MIN TEMP: 72; 6HR MAX TEMP: 85;  
 

 
 
ILZ003-004-008-010-011-017-018-221900-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOSUNNY 83 67 58 SE14G22 30.08F HX 85 TC 28  
6HR MIN TEMP: 68; 6HR MAX TEMP: 83;  
 
ROCHELLE* MOSUNNY 81 69 66 SE13 30.09S HX 84 TC 27  
DE KALB* MOSUNNY 82 69 65 SE9G18 30.11S HX 85 TC 28  
PERU* PTSUNNY 84 73 70 SE9 30.07S HX 91 TC 29  

 
 
ILZ005-006-012>014-019>023-221900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 84 65 52 SE9 30.08F HX 86 TC 29  
6HR MIN TEMP: 72; 6HR MAX TEMP: 84;  
 
CHICAGO-MIDWAY MOSUNNY 85 63 47 S9 30.09F HX 86 TC 29  
6HR MIN TEMP: 73; 6HR MAX TEMP: 86;  
 
AURORA MOSUNNY 84 69 60 SE9 30.09S HAZE HX 88  
6HR MIN TEMP: 71; 6HR MAX TEMP: 84;  
 
JOLIET* MOSUNNY 83 69 62 S7 30.10S HX 87 TC 29  
WAUKEGAN SUNNY 80 64 58 SE12 30.10F HX 82 TC 27  
6HR MIN TEMP: 69; 6HR MAX TEMP: 80;  
 
DUPAGE AIRPORT MOSUNNY 84 67 56 SE6 30.09S HX 86 TC 29  
6HR MIN TEMP: 70; 6HR MAX TEMP: 84;  
 
KANKAKEE* MOSUNNY 82 67 61 E12 30.10F HX 84 TC 28  
WHEELING SUNNY 84 66 54 SE7 30.10F HX 86 TC 29  
6HR MIN TEMP: 71; 6HR MAX TEMP: 85;  
 
MORRIS* PTSUNNY 82 70 68 SE8 30.08F HX 85 TC 28  
ROMEOVILLE* SUNNY 82 72 69 SE9 30.11S HX 87 TC 28  
LANSING* MOSUNNY 83 65 54 S9 30.11S HX 84 TC 28  
NORTHERLY ISL* N/A 76 66 71 E10 N/A TC 24  

 
 
LMZ740>746-221900-  
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)  
S. MID LAKE BUOY 71 70 170/ 8/ 10 1019.9S 2/ 4  
WINTHROP HARBOR 71 70 140/ 10/ 14 N/A 3/ 4  
WAUKEGAN HARBOR 72 71 140/ 10/ 12 N/A 3/ 5  
WILMETTE BUOY 72 130/ 12/ 14 1021.7F 2/ 4  
CHICAGO BUOY 76 74 110/ 8/ 10 1019.6 1/ 3  
HARRISON CRIB 80 100/ 13/ 14 N/A  
NORTHERLY ISL 76 90/ 8/ 11 N/A  
CALUMET HARBOR 79 60/ 7/ 9 1018.5R  
BURNS HARBOR 79 110/ 6/ 9 1020.3S  
MICHIGAN CITY 79 100/ 9/ 12 1018.2R  
MICH CITY BUOY 77 75 130/ 6/ 8 1018.5R 1  
ST. JOSEPH BUOY 78 75 140/ 10/ 14 1020.7F 1  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-221900-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY PTSUNNY 87 78 74 SE10 30.00S HX 100 TC 31  
GALESBURG* PTSUNNY 84 74 72 SE7 30.04S HX 92 TC 29  
MACOMB* PTSUNNY 85 78 78 SE8 30.04S HX 96 TC 30  
JACKSONVILLE* PTSUNNY 86 79 77 E8 30.02S HX 100 TC 30  
PITTSFIELD* MOSUNNY 87 82 83 SE8 30.02F HX 106 TC 31  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-221900-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC MOSUNNY 83 73 72 E9 30.08F HX 88 TC 28  
BLOOMINGTON PTSUNNY 83 75 77 SE13 30.08S HX 90 TC 28  
DECATUR PTSUNNY 86 75 69 SE13 30.05F HX 95 TC 30  
PEORIA PTSUNNY 87 75 67 S9 30.04S HX 96 TC 31  
6HR MIN TEMP: 74; 6HR MAX TEMP: 87;  
 
LACON* MOSUNNY 84 73 69 SE9 30.04F HX 90 TC 29  
LINCOLN* MOSUNNY 87 76 70 SE7 30.05S HX 98 TC 31  
SPRINGFIELD PTSUNNY 85 76 74 SE10 30.03F HX 94 TC 29  
TAYLORVILLE MOSUNNY 84 75 74 SE8 30.04F HX 92 TC 29  

 
 
ILZ033-039-045-046-055>057-062-063-221900-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN MOSUNNY 84 75 74 E12 30.08 HX 92 TC 29  
RANTOUL* MOSUNNY 82 71 68 SE8 30.08F HX 86 TC 28  
MATTOON MOSUNNY 85 74 69 SE12 30.05F HX 92 TC 29  

 
 
ILZ079-100>102-221900-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 88 79 74 SE10 30.02F HX 102 TC 31  
BELLEVILLE SUNNY 91 80 71 SE8 29.99F HX 109 TC 33  
CAHOKIA* SUNNY 91 79 67 SE6 30.00F HX 107 TC 33  
SPARTA* SUNNY 93 80 64 E8 30.02F HX 111 TC 34  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221900-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE MOSUNNY 91 78 65 E6 30.01F HX 106 TC 33  
6HR MIN TEMP: 76; 6HR MAX TEMP: 91;  
 
CAIRO* SUNNY 92 79 65 CALM 30.02F HX 109 TC 34  
EFFINGHAM* MOSUNNY 86 76 72 E7 30.06F HX 97 TC 30  
MARION PTSUNNY 90 79 70 SE6 30.02F HX 105 TC 32  
MT. VERNON MOSUNNY 90 78 68 E6 30.04S HX 104 TC 32  
CENTRALIA* MOSUNNY 89 77 68 SE6 30.03F HX 102 TC 32  
SALEM* PTSUNNY 89 77 67 E7 30.04S HX 101 TC 32  
METROPOLIS* SUNNY 91 75 59 CALM 30.03S HX 101 TC 33  

 
 
ILZ067-068-072-073-078-083-087-091-221900-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE MOSUNNY 88 74 63 E10 30.06S HX 96 TC 31  
FLORA* MOSUNNY 86 77 74 SE7 30.05F HX 97 TC 30  
FAIRFIELD* MOSUNNY 86 74 68 SE5 30.04F HX 94 TC 30  
HARRISBURG* MOSUNNY 89 79 73 E7 30.04S HX 104 TC 32  

 
 
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