628  
ASUS43 KLOT 191810  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
100 PM CDT WED AUG 19 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.
 
 
ILZ001-002-007-009-015-016-024-191900-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOSUNNY 83 69 62 CALM 29.92F HX 86 TC 28  
6HR MIN TEMP: 68; 6HR MAX TEMP: 83;  
 
STERLING* PTSUNNY 82 66 58 CALM 29.95F HX 84 TC 28  
SAVANNA* MOSUNNY 80 65 59 CALM 29.95F HX 82 TC 27  

 
 
ILZ003-004-008-010-011-017-018-191900-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOSUNNY 81 64 56 NW3 29.96F HX 82 TC 27  
6HR MIN TEMP: 62; 6HR MAX TEMP: 81;  
 
FREEPORT* SUNNY 78 67 68 CALM 29.98F HX 80 TC 26  
ROCHELLE* MOSUNNY 79 64 60 CALM 29.96F HX 80 TC 26  
DE KALB* MOSUNNY 80 65 61 E3 29.97F HX 82 TC 27  
PERU* CLOUDY 82 72 69 CALM 29.94F HX 87 TC 28  

 
 
ILZ005-006-012>014-019>023-191900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 79 66 64 VRB6 29.94F HX 81 TC 26  
6HR MIN TEMP: 67; 6HR MAX TEMP: 79;  
 
CHICAGO-MIDWAY PTSUNNY 79 68 69 E8 29.94F HX 81 TC 26  
6HR MIN TEMP: 67; 6HR MAX TEMP: 80;  
 
AURORA MOSUNNY 81 65 58 VRB5 29.94F HX 83 TC 27  
6HR MIN TEMP: 63; 6HR MAX TEMP: 81;  
 
WAUKEGAN PTSUNNY 75 66 73 N6 29.96S TC 24  
6HR MIN TEMP: 63; 6HR MAX TEMP: 75;  
 
DUPAGE AIRPORT MOSUNNY 80 65 59 CALM 29.94F HX 82 TC 27  
6HR MIN TEMP: 63; 6HR MAX TEMP: 81; 6HR PCP: TRACE;  
 
KANKAKEE* PTSUNNY 79 71 75 SW6 29.95F HX 82 TC 26  
WHEELING PTSUNNY 76 67 73 NE6 29.97F TC 24  
6HR MIN TEMP: 65; 6HR MAX TEMP: 77;  
 
LANSING* PTSUNNY 79 67 67 NE5 29.95F HX 81 TC 26  
NORTHERLY ISL* N/A 76 66 71 NE6 N/A TC 24  

 
 
LMZ740>746-191900-  
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 72 74 10/ 6/ 10 1020.2 1/ 3  
WAUKEGAN HARBOR 72 74 30/ 8/ 10 1015.5 1/ 3  
WILMETTE BUOY 72 60/ 6/ 8 1018.2S 1  
CHICAGO BUOY 72 74 1013.5 1/ 3  
NORTHERLY ISL 75 50/ 5/ 8 N/A  
CALUMET HARBOR 73 20/ 7/ 10 1014.7F  
MICH CITY BUOY 73 75 10/ 6/ 8 N/A 1  
ST. JOSEPH BUOY 72 76 360/ 6/ 8 1015.5R 1/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-191900-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLOUDY 77 70 79 S5 29.94F TC 25  
GALESBURG* CLOUDY 81 72 73 CALM 29.95F HX 86 TC 27  
JACKSONVILLE* CLOUDY 79 72 77 CALM 29.93F HX 82 TC 26  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-191900-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC PTSUNNY 80 73 77 CALM 29.94F HX 85 TC 27  
BLOOMINGTON CLOUDY 79 72 79 VRB5 29.95F HX 82 TC 26  
DECATUR PTSUNNY 81 71 71 SW6 29.94F HX 85 TC 27  
PEORIA CLOUDY 81 70 69 CALM 29.93F HX 84 TC 27  
6HR MIN TEMP: 70; 6HR MAX TEMP: 82;  
 
LACON* CLOUDY 80 70 72 CALM 29.93F HX 83 TC 27  
LINCOLN* PTSUNNY 83 70 63 SE5 29.94S HX 87 TC 29  
SPRINGFIELD PTSUNNY 81 71 71 CALM 29.93F HX 85 TC 27  
6HR MIN TEMP: 69; 6HR MAX TEMP: 81;  
 
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-191900-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN PTSUNNY 82 72 71 CALM 29.94F HX 87 TC 28  
RANTOUL* PTSUNNY 80 72 77 S5 29.95F HX 83 TC 27  
MATTOON MOSUNNY 80 71 74 S6 29.94F HX 84 TC 27  
PARIS* PTSUNNY 80 71 74 SW5 29.95F HX 83 TC 26  

 
 
ILZ079-100>102-191900-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 79 72 78 SW8 29.95F HX 82 TC 26  
BELLEVILLE PTSUNNY 80 74 82 W9 29.92F HX 84 TC 27  
CAHOKIA* PTSUNNY 78 70 76 W6 29.94S HX 80 TC 26  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191900-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE PTSUNNY 73 70 88 S9 29.94F TC 23  
CAIRO* CLOUDY 73 73 98 SE3 30.00S TC 23  
EFFINGHAM* PTSUNNY 82 74 78 S6 29.96F HX 87 TC 28  
MT. VERNON MOSUNNY 82 70 66 S14 29.95F HX 86 TC 28  
CENTRALIA* MOSUNNY 82 71 68 SW10G16 29.95F HX 86 TC 28  
METROPOLIS* LGT RAIN 72 71 98 S5 30.01F TC 22  

 
 
ILZ067-068-072-073-078-083-087-091-191900-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTSUNNY 78 71 79 SW8 29.97F HX 80 TC 26  
FLORA* MOSUNNY 82 72 69 SW9 29.95F HX 87 TC 28  
FAIRFIELD* MOSUNNY 81 68 64 SW10 29.96F HX 84 TC 27  
HARRISBURG* PTSUNNY 75 70 86 SW6 29.98F TC 24  
ROBINSON* PTSUNNY 81 73 78 SW9 29.95F HX 85 TC 27  

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

 
 
 
 
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