602  
ASUS43 KLOT 140210  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
900 PM CDT THU AUG 13 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.  
 
ILZ001-002-007-009-015-016-024-140300-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE MOCLDY 75 72 90 E12 29.94R TC 24  
STERLING* CLOUDY 72 72 100 E9 29.99R TC 22  
SAVANNA* TSTM 73 71 95 CALM 29.99R TC 23  
 
 
ILZ003-004-008-010-011-017-018-140300-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD CLOUDY 68 66 93 E5 30.01R TC 20  
FREEPORT* CLOUDY 68 67 95 E6 30.02R TC 20  
ROCHELLE* RAIN 69 68 94 E7 29.99F TC 21  
DE KALB* CLOUDY 68 68 100 E5 30.03R FOG TC 20  
PERU* CLOUDY 73 72 94 NE9 30.00R FOG TC 23  
 
 
ILZ005-006-012>014-019>023-140300-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE CLOUDY 69 65 86 E5 30.01R TC 21  
CHICAGO-MIDWAY CLOUDY 70 68 93 SE7 30.00R TC 21  
AURORA TSTM 70 69 97 E5 30.01R FOG TC 21  
JOLIET* LGT RAIN 75 73 94 E8 29.99F TC 24  
WAUKEGAN PTCLDY 65 65 100 N3 30.01R FOG TC 18  
DUPAGE AIRPORT CLOUDY 69 68 96 E6 30.00R FOG TC 21  
KANKAKEE* CLOUDY 74 72 95 NE10 29.99S TC 23  
WHEELING CLOUDY 69 67 93 S3 30.02R TC 21  
ROMEOVILLE* TSTM 72 72 100 E13 30.00S FOG TC 22  
LANSING* N/A N/A N/A N/A MISG N/A  
NORTHERLY ISL* N/A 70 66 87 SE7 N/A TC 21  
 
 
LMZ740>746-140300-  
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 71 73 250/ 4/ 6 1011.3 1/ 3  
WAUKEGAN HARBOR 72 73 330/ 2/ 4 1016.7 1/ 3  
WILMETTE BUOY 72 190/ 10/ 14 1018.9R 1/ 3  
CHICAGO BUOY 74 73 1015.2 2/ 3  
HARRISON CRIB 73 120/ 12/ 13 N/A  
NORTHERLY ISL 70 130/ 6/ 14 N/A  
CALUMET HARBOR 71 70/ 7/ 10 1016.2  
MICHIGAN CITY 72 130/ 4/ 5 1014.7S  
MICH CITY BUOY 73 73 110/ 8/ 10 N/A 1/ 3  
ST. JOSEPH BUOY 73 74 190/ 6/ 8 1017.0R 0  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-140300-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY PTCLDY 80 78 94 NE7 29.88R HX 88 TC 27  
GALESBURG* CLOUDY 75 74 98 E10 29.95R TC 24  
MACOMB* PTCLDY 75 75 99 NE7 29.94R TC 24  
JACKSONVILLE* PTCLDY 78 73 84 SE7 29.88R HX 81 TC 26  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-140300-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PONTIAC CLOUDY 75 75 100 NE8 29.97R TC 24  
BLOOMINGTON PTCLDY 75 75 100 NE7 29.96S TC 24  
DECATUR PTCLDY 75 72 90 SE5 29.92R TC 24  
PEORIA CLOUDY 77 74 90 NE10 29.94R TC 25  
LACON* CLOUDY 74 71 89 E7 29.95R TC 24  
LINCOLN* PTCLDY 78 72 82 NE5 29.92R HX 80 TC 26  
SPRINGFIELD MOCLDY 79 73 82 SE7 29.89R HX 82 TC 26  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-140300-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN PTCLDY 74 73 97 S6 29.94R TC 23  
DANVILLE* N/A 74 72 94 E5 29.98R TC 23  
RANTOUL* PTCLDY 74 69 86 E5 29.97R TC 23  
MATTOON PTCLDY 77 72 84 SE10 29.94R TC 25  
PARIS* PTCLDY 73 72 98 SE3 29.95R TC 23  
 
 
ILZ079-100>102-140300-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON CLEAR 86 79 79 S9 29.90R HX 99 TC 30  
BELLEVILLE CLEAR 84 82 91 S6 29.88R HX 100 TC 29  
CAHOKIA* CLEAR 85 80 85 S6 29.88R HX 99 TC 29  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-140300-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE CLEAR 82 79 89 S6 29.92R HX 93 TC 28  
CAIRO* CLEAR 86 78 78 CALM 29.95R HX 98 TC 30  
EFFINGHAM* PTCLDY 78 77 98 E7 29.95R TC 25  
MARION CLEAR 81 78 89 S3 29.95R HX 89 TC 27  
MT. VERNON CLEAR 85 78 80 S3 29.93R HX 96 TC 29  
CENTRALIA* CLEAR 85 78 81 S3 29.93R HX 96 TC 29  
SALEM* N/A 86 80 82 MISG 29.92R HX 101 TC 30  
METROPOLIS* CLEAR 80 79 97 CALM 29.96R HX 86 TC 27  
 
 
ILZ067-068-072-073-078-083-087-091-140300-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE PTCLDY 79 76 90 E6 29.94R HX 83 TC 26  
FLORA* CLEAR 81 81 100 S5 29.93R HX 91 TC 27  
FAIRFIELD* CLEAR 83 78 84 CALM 29.93R HX 92 TC 28  
HARRISBURG* CLEAR 82 78 89 S3 29.94S HX 91 TC 28  
ROBINSON* PTCLDY 75 75 100 VRB1 29.94R TC 24  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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