590  
ASUS43 KLOT 271906  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
200 PM CDT MON JUL 27 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.
 
 
ILZ001-002-007-009-015-016-024-272000-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE SUNNY 95 76 53 SW16G26 29.68F HX 108 TC 35  
STERLING* SUNNY 96 78 56 SW17G23 29.70S HX 112 TC 36  
SAVANNA* MOSUNNY 95 76 54 SW14 29.68S HX 108 TC 35  

 
 
ILZ003-004-008-010-011-017-018-272000-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOSUNNY 94 78 60 SW21G28 29.70R HX 110 TC 34  
FREEPORT* MOSUNNY 94 81 65 W12G22 29.71S HX 114 TC 34  
ROCHELLE* PTSUNNY 90 78 67 SW12G17 29.72R HX 104 TC 32  
DE KALB* CLOUDY 80 75 86 SE15 29.73F THUNDER HX 84  
PERU* PTSUNNY 91 79 66 S10 29.74S HX 107 TC 33  

 
 
ILZ005-006-012>014-019>023-272000-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE LGT RAIN 72 69 90 E10 29.79R TC 22  
CHICAGO-MIDWAY TSTM 72 70 93 SE6G18 29.81R TC 22  
AURORA HVY RAIN 75 72 90 E16G22 29.75R FOG TC 24  
JOLIET* CLOUDY 77 73 88 E16G25 29.80R TC 25  
WAUKEGAN PTSUNNY 71 68 90 SE21G37 29.74F TC 22  
DUPAGE AIRPORT TSTM 73 70 90 E14G22 29.78R TC 23  
KANKAKEE* PTSUNNY 74 68 83 SE7 29.79S TC 23  
WHEELING PTSUNNY 73 70 90 SE12G18 29.76F TC 23  
ROMEOVILLE* RAIN 73 73 100 SE15G23 29.80R VSB 3/4 TC 23  
NORTHERLY ISL* N/A 70 68 93 E10 N/A TC 21  

 
 
LMZ740>746-272000-  
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 69 1005.2 3/ 4  
WAUKEGAN HARBOR 72 72 1009.6 3/ 4  
WILMETTE BUOY 71 1012.0R 2/ 3  
CHICAGO BUOY 74 N/A 2/ 3  
HARRISON CRIB 69 160/ 5/ 6 N/A  
NORTHERLY ISL 69 190/ 12/ 29 N/A  
CALUMET HARBOR 68 240/ 2/ 13 1010.9  
BURNS HARBOR 1010.8R  
MICHIGAN CITY 83 170/ 6/ 8 1007.2R  
MICH CITY BUOY 74 75 190/ 14/ 17 N/A 2/ 3  
ST. JOSEPH BUOY 73 73 1013.1R 2/ 2  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-272000-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY SUNNY 94 77 57 SW18 29.77F HX 108 TC 34  
GALESBURG* MOSUNNY 91 76 61 SW17G26 29.73F HX 103 TC 33  
MACOMB* SUNNY 91 82 74 SW13G22 29.76F HX 113 TC 33  
JACKSONVILLE* SUNNY 92 80 68 SW15G21 29.78F HX 111 TC 34  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-272000-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC MOSUNNY 87 79 75 MISG 29.76F HX 101 TC 31  
BLOOMINGTON SUNNY 93 77 59 SW16G23 29.79F HX 107 TC 34  
DECATUR SUNNY 91 75 59 W15 29.81F HX 101 TC 33  
PEORIA MOSUNNY 92 78 63 SW17 29.75F HX 107 TC 33  
LACON* MOSUNNY 92 77 60 S14 29.73S HX 106 TC 34  
LINCOLN* SUNNY 94 77 57 SW8 29.79R HX 108 TC 35  
SPRINGFIELD SUNNY 92 78 63 SW14G23 29.78F HX 107 TC 33  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-272000-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN MOSUNNY 89 77 67 SW7 29.82F HX 101 TC 32  
DANVILLE* MOSUNNY 85 77 75 SW6 29.83F HX 96 TC 30  
MATTOON SUNNY 91 76 61 SW6 29.83S HX 103 TC 33  
PARIS* MOSUNNY 90 75 62 W7 29.83R HX 101 TC 32  

 
 
ILZ079-100>102-272000-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 93 77 59 SW14G20 29.81F HX 107 TC 34  
BELLEVILLE SUNNY 96 80 60 SW13 29.79F HX 115 TC 35  
CAHOKIA* SUNNY 95 76 53 VRB6G20 29.79F HX 108 TC 35  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-272000-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE SUNNY 93 77 59 MISG 29.84F HX 107 TC 34  
CAIRO* SUNNY 92 82 71 SW8 29.85F HX 114 TC 34  
EFFINGHAM* SUNNY 90 76 63 SW9 29.86S HX 101 TC 32  
MT. VERNON SUNNY 96 75 50 SW14 29.84S HX 108 TC 36  
CENTRALIA* SUNNY 94 76 56 W10 29.84S HX 107 TC 35  
SALEM* SUNNY 92 76 58 MISG 29.84S HX 104 TC 34  
METROPOLIS* SUNNY 92 75 56 SW6 29.87S HX 103 TC 34  

 
 
ILZ067-068-072-073-078-083-087-091-272000-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
FAIRFIELD* SUNNY 91 74 58 SW7 29.84F HX 100 TC 33  
HARRISBURG* SUNNY 92 76 59 SW3 29.85F HX 105 TC 34  
ROBINSON* SUNNY 91 79 66 W8 29.83S HX 107 TC 33  

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

 
 
 
 
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