336  
ASUS43 KLOT 281508  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 AM CDT TUE JUL 28 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.
 
 
ILZ001-002-007-009-015-016-024-281600-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOSUNNY 79 70 74 NE8 29.85R HX 82 TC 26  
STERLING* MOSUNNY 78 69 73 NE10 29.88R HX 80 TC 26  
SAVANNA* MOSUNNY 75 67 75 NE5 29.88R TC 24  

 
 
ILZ003-004-008-010-011-017-018-281600-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTSUNNY 76 64 66 N9 29.87R TC 24  
FREEPORT* MOSUNNY 74 70 86 NE7 29.89R TC 24  
ROCHELLE* MOSUNNY 73 65 78 N6 29.87R TC 23  
DE KALB* MOSUNNY 73 66 79 NE12G20 29.86R TC 23  
PERU* MOSUNNY 77 66 69 NE12 29.86R TC 25  

 
 
ILZ005-006-012>014-019>023-281600-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE PTSUNNY 71 64 78 NE16 29.83S TC 22  
CHICAGO-MIDWAY CLOUDY 69 65 86 N15 29.82S TC 21  
AURORA MOSUNNY 73 66 78 NE8 29.83S TC 23  
JOLIET* CLOUDY 72 68 89 NE8 29.84S TC 22  
WAUKEGAN PTSUNNY N/A N/A N/A N14 29.84R  
DUPAGE AIRPORT MOSUNNY 73 65 75 NE14 29.83S TC 23  
KANKAKEE* CLOUDY 72 68 87 N8G17 29.83R TC 22  
WHEELING PTSUNNY 71 64 78 NE10 29.85S TC 22  
NORTHERLY ISL* N/A 68 64 87 N14 N/A TC 20  

 
 
LMZ740>746-281600-  
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)  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-281600-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY PTSUNNY 81 75 82 N8 29.84S HX 87 TC 27  
GALESBURG* MOSUNNY 79 71 78 NE9 29.87R HX 82 TC 26  
MACOMB* MOSUNNY 82 76 84 CALM 29.87S HX 88 TC 28  
JACKSONVILLE* MOSUNNY 81 77 88 N6 29.82S HX 88 TC 27  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-281600-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC CLOUDY 74 69 86 MISG 29.85R TC 23  
BLOOMINGTON MOSUNNY 79 71 76 NE12G17 29.84R HX 82 TC 26  
DECATUR MOSUNNY 81 73 76 NE13 29.81R HX 86 TC 27  
PEORIA SUNNY 81 68 64 NE12 29.84R HX 84 TC 27  
LACON* MOSUNNY 77 67 71 N6 29.85R TC 25  
LINCOLN* MOSUNNY 82 74 77 N10 29.82R HX 88 TC 28  
SPRINGFIELD MOSUNNY 82 75 79 N12 29.81S HX 89 TC 28  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-281600-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN PTSUNNY 79 72 79 N13 29.81R HX 82 TC 26  
DANVILLE* CLOUDY 74 69 83 N16 29.81R TC 23  
MATTOON PTSUNNY 80 74 81 N12 29.78R HX 85 TC 27  
PARIS* PTSUNNY 79 72 79 N8 29.78R HX 83 TC 26  

 
 
ILZ079-100>102-281600-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 86 77 74 NW9 29.80S HX 97 TC 30  
BELLEVILLE MOSUNNY 89 80 74 N6 29.77S HX 105 TC 32  
CAHOKIA* PTSUNNY 87 76 69 N8 29.79S HX 97 TC 31  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281600-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE MOSUNNY 88 77 70 NW7 29.78F HX 100 TC 31  
CAIRO* MOSUNNY 88 81 79 W9 29.80F HX 105 TC 31  
EFFINGHAM* PTSUNNY 83 79 88 NW9 29.79S HX 94 TC 28  
MT. VERNON MOSUNNY 87 76 69 VRB5 29.78R HX 97 TC 31  
CENTRALIA* SUNNY 86 77 74 CALM 29.78S HX 97 TC 30  
SALEM* N/A 85 79 80 MISG N/A HX 98 TC 30  
METROPOLIS* MOSUNNY 88 77 69 W8 29.78F HX 100 TC 31  

 
 
ILZ067-068-072-073-078-083-087-091-281600-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
FAIRFIELD* SUNNY 85 75 73 NW7 29.76S HX 93 TC 29  
HARRISBURG* MOSUNNY 88 78 72 NW7 29.77S HX 101 TC 31  
ROBINSON* CLOUDY 81 79 94 N7 29.76R HX 89 TC 27  

 
 
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