556  
ASUS43 KLOT 041712  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1200 PM CDT FRI SEP 04 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.
 
 
ILZ001-002-007-009-015-016-024-041800-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOSUNNY 93 72 50 W7 29.95S HX 101 TC 34  
STERLING* PTSUNNY 91 75 59 NE14 29.98R HX 101 TC 33  
SAVANNA* CLOUDY 92 72 51 SW3 29.95S HX 99 TC 33  

 
 
ILZ003-004-008-010-011-017-018-041800-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOSUNNY 82 72 71 E12G21 29.99F HX 87 TC 28  
FREEPORT* PTSUNNY 82 76 81 E14 30.00F HX 89 TC 28  
ROCHELLE* MOSUNNY 85 73 67 E12 29.99F HX 92 TC 30  
DE KALB* PTSUNNY 84 74 71 E14 30.02S HX 91 TC 29  
PERU* PTSUNNY 90 73 58 NW3 29.98R HX 98 TC 32  

 
 
ILZ005-006-012>014-019>023-041800-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 82 70 66 E14 30.01F HX 86 TC 28  
CHICAGO-MIDWAY MOSUNNY 82 69 64 E18G29 30.02R HX 85 TC 28  
AURORA MOSUNNY 85 73 67 E17 30.00S HX 91 TC 29  
JOLIET* MOSUNNY 88 77 69 NE15 30.00R HX 100 TC 31  
WAUKEGAN TSTM 73 70 90 SE10 30.00F TC 23  
DUPAGE AIRPORT MOSUNNY 82 71 69 E15G25 30.02S HX 86 TC 28  
KANKAKEE* SUNNY 91 73 56 NW6 30.00R HX 99 TC 33  
WHEELING PTSUNNY 79 70 74 NE7G20 30.03F HX 82 TC 26  
LANSING* PTSUNNY 84 73 69 N9 30.02R HX 90 TC 29  
NORTHERLY ISL* N/A 79 68 69 E14 N/A HX 81 TC 26  

 
 
LMZ740>746-041800-  
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 71 150/ 17/ 25 1013.1 3/ 5  
WAUKEGAN HARBOR 71 70 130/ 10/ 16 1016.1 3/ 4  
WILMETTE BUOY 74 120/ 14/ 19 1019.0F 4/ 5  
NORTHERLY ISL 77 30/ 14/ 14 N/A  
CALUMET HARBOR 77 10/ 10/ 14 1017.0R  
MICH CITY BUOY 75 73 70/ 16/ 21 N/A 2/ 3  
ST. JOSEPH BUOY 72 73 110/ 12/ 16 1017.0R 2/ 3  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-041800-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY SUNNY 93 71 48 W6 30.00R HX 100 TC 34  
GALESBURG* SUNNY 91 75 57 W8 29.99S HX 102 TC 33  
MACOMB* SUNNY 91 78 66 W7 30.01S HX 105 TC 33  
JACKSONVILLE* SUNNY 93 73 52 CALM 29.99S HX 102 TC 34  
PITTSFIELD* SUNNY 94 71 47 NW6 30.01S HX 100 TC 34  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-041800-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC SUNNY 92 76 61 W7 29.99S HX 104 TC 33  
BLOOMINGTON SUNNY 93 75 55 W10 30.01S HX 104 TC 34  
DECATUR SUNNY 94 71 47 SW9 30.00F HX 101 TC 34  
PEORIA SUNNY 92 73 53 W7 29.98S HX 100 TC 33  
LACON* MOSUNNY 91 72 52 W5 29.97S HX 98 TC 33  
LINCOLN* SUNNY 94 74 51 SW6 29.99S HX 105 TC 35  
SPRINGFIELD SUNNY 95 71 45 NW9 29.99S HX 102 TC 35  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-041800-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN SUNNY 92 75 57 SW7 30.01S HX 103 TC 33  
RANTOUL* SUNNY 92 75 56 W7 30.01S HX 102 TC 33  
MATTOON SUNNY 94 70 45 W8 30.01S HX 100 TC 34  
PARIS* MOSUNNY 94 71 47 NW6 30.02S HX 101 TC 35  

 
 
ILZ079-100>102-041800-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 93 73 52 W6 30.00S HX 102 TC 34  
BELLEVILLE SUNNY 96 73 46 W10 29.98F HX 105 TC 36  
CAHOKIA* SUNNY 97 70 41 VRB7 29.99F HX 103 TC 36  
SPARTA* SUNNY 95 69 41 W3 30.02F HX 100 TC 35  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-041800-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE SUNNY 97 72 44 SW9 30.01F HX 105 TC 36  
CAIRO* SUNNY 96 76 52 CALM 30.02S HX 109 TC 36  
EFFINGHAM* SUNNY 96 65 35 SW9G17 30.03S HX 98 TC 36  
MT. VERNON SUNNY 98 71 41 S6 30.01F HX 106 TC 37  
CENTRALIA* SUNNY 97 68 38 SW9 30.01F HX 102 TC 36  
SALEM* SUNNY 98 69 39 MISG 30.01S HX 104 TC 37  
METROPOLIS* SUNNY 96 73 46 S6 30.02F HX 106 TC 36  

 
 
ILZ067-068-072-073-078-083-087-091-041800-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE SUNNY 99 68 36 W8 30.01S HX 104 TC 37  
FLORA* SUNNY 95 72 46 CALM 30.01F HX 103 TC 35  
FAIRFIELD* SUNNY 96 67 37 SW8 30.00F HX 100 TC 36  
HARRISBURG* SUNNY 97 72 45 SW7 30.02S HX 106 TC 36  
ROBINSON* SUNNY 97 73 46 W7 30.00S HX 107 TC 36  

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

 
 
 
 
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