458  
ASUS43 KLOT 212310  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
600 PM CDT MON JUL 21 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.
 
 
ILZ001-002-007-009-015-016-024-220000-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLOUDY 79 73 82 E8 29.98S HX 82 TC 26  

 
 
ILZ003-004-008-010-011-017-018-220000-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTSUNNY 81 64 56 E7 30.03F HX 82 TC 27  
ROCHELLE* CLOUDY 80 66 63 SE6 30.02F HX 82 TC 27  
DE KALB* CLOUDY 80 65 60 E7 30.04S HX 82 TC 27  
PERU* CLOUDY 81 73 76 E8 30.00F HX 85 TC 27  

 
 
ILZ005-006-012>014-019>023-220000-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE PTSUNNY 80 62 54 NE12 30.04R HX 81 TC 27  
CHICAGO-MIDWAY PTSUNNY 80 58 46 E8 30.03S HX 80 TC 27  
AURORA CLOUDY 83 66 56 CALM 30.02R HX 85 TC 28  
JOLIET* CLOUDY 82 67 61 CALM 30.02S HX 85 TC 28  
WAUKEGAN SUNNY 73 59 61 NE9 30.05S TC 23  
DUPAGE AIRPORT MOSUNNY 80 61 52 E10 30.02S HX 81 TC 27  
KANKAKEE* CLOUDY 80 70 71 SE5 30.02F HX 83 TC 27  
WHEELING MOSUNNY 75 62 64 E10 30.06S TC 24  
MORRIS* CLOUDY 80 70 72 SE3 30.01S HX 83 TC 27  
ROMEOVILLE* CLOUDY 82 68 61 NE9 30.03R HX 85 TC 28  
LANSING* PTSUNNY 76 66 71 NE8 30.04R TC 25  
NORTHERLY ISL* N/A 72 65 78 NE9 N/A TC 22  

 
 
LMZ740>746-220000-  
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 68 70 10/ 12/ 12 1017.9R 1/ 2  
WINTHROP HARBOR 69 70 330/ 10/ 14 N/A 2/ 4  
WAUKEGAN HARBOR 69 70 340/ 12/ 14 N/A 2/ 4  
WILMETTE BUOY 71 40/ 12/ 16 1019.6R 2/ 4  
CHICAGO BUOY 72 74 10/ 8/ 12 1017.7 2/ 4  
HARRISON CRIB 77 30/ 15/ 16 N/A  
NORTHERLY ISL 72 10/ 7/ 11 N/A  
CALUMET HARBOR 73 10/ 9/ 12 1016.3  
BURNS HARBOR 75 50/ 8/ 8 1017.6S  
MICHIGAN CITY 74 30/ 15/ 15 1015.6R  
MICH CITY BUOY 74 75 20/ 12/ 14 1015.7R 2/ 4  
ST. JOSEPH BUOY 73 75 340/ 16/ 19 1018.1R 2/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-220000-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY PTSUNNY 83 72 69 E6 29.95F HX 88 TC 28  
GALESBURG* PTSUNNY 80 73 79 SE3 30.00S HX 83 TC 27  
MACOMB* CLOUDY 81 76 87 E7 30.00S HX 87 TC 27  
JACKSONVILLE* PTSUNNY 84 72 68 E5 29.97S HX 89 TC 29  
PITTSFIELD* MOSUNNY 83 74 74 CALM 29.97F HX 90 TC 29  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-220000-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC CLOUDY 79 73 80 E6 30.01S HX 83 TC 26  
BLOOMINGTON PTSUNNY 79 75 87 E10 30.02R HX 83 TC 26  
DECATUR PTSUNNY 83 76 79 NE7 29.99R HX 91 TC 28  
PEORIA CLOUDY 81 74 79 E5 29.99S HX 86 TC 27  
LACON* PTSUNNY 80 71 75 E5 29.98F HX 83 TC 27  
LINCOLN* PTSUNNY 81 75 82 E5 29.99S HX 88 TC 27  
SPRINGFIELD PTSUNNY N/A N/A N/A NE7 29.97S  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-220000-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
RANTOUL* PTSUNNY 79 73 80 E9 30.00S HX 83 TC 26  
MATTOON PTSUNNY 82 74 76 N6 29.98R HX 88 TC 28  

 
 
ILZ079-100>102-220000-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 82 75 78 E7 29.98R HX 89 TC 28  
BELLEVILLE MOSUNNY 85 75 72 E3 29.94F HX 93 TC 29  
CAHOKIA* MOSUNNY 86 75 69 SE6 29.96S HX 95 TC 30  
SPARTA* MOSUNNY 87 76 69 NE6 29.98F HX 98 TC 31  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220000-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE MOSUNNY 85 75 72 NE3 29.96S HX 93 TC 29  
CAIRO* MOSUNNY 85 79 81 E7 29.94F HX 98 TC 30  
EFFINGHAM* CLOUDY 85 76 74 SW3 29.98F HX 94 TC 30  
MARION MOSUNNY 84 75 74 NE6 29.96F HX 92 TC 29  
MT. VERNON MOSUNNY 87 74 64 CALM 29.97S HX 95 TC 31  
CENTRALIA* MOSUNNY 85 72 66 CALM 29.98S HX 90 TC 29  
SALEM* MOSUNNY 85 72 64 CALM 29.98R HX 90 TC 29  
METROPOLIS* PTSUNNY 79 78 96 CALM 29.96S HX 83 TC 26  

 
 
ILZ067-068-072-073-078-083-087-091-220000-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE MOSUNNY 87 72 60 W7 29.96S HX 93 TC 31  
FLORA* MOSUNNY 86 73 66 E6 29.96F HX 93 TC 30  
FAIRFIELD* MOSUNNY 86 72 64 CALM 29.96F HX 92 TC 30  
HARRISBURG* PTSUNNY 85 75 70 CALM 29.96F HX 93 TC 30  

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

 
 
 
 
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