863  
ASUS43 KLOT 152106  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
400 PM CDT MON JUN 15 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.  
 
ILZ001-002-007-009-015-016-024-152200-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE NOT AVBL  
STERLING* MOSUNNY 77 47 34 W14 29.90F TC 25  
SAVANNA* MOSUNNY 78 45 31 W8 29.89F TC 25  
 
 
ILZ003-004-008-010-011-017-018-152200-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD CLOUDY 75 44 33 W9G23 29.89F TC 24  
FREEPORT* PTSUNNY 76 47 35 W14G21 29.90F TC 25  
ROCHELLE* MOSUNNY 74 44 33 W16 29.90F TC 24  
DE KALB* PTSUNNY 74 49 40 SW13 29.90F TC 23  
 
 
ILZ005-006-012>014-019>023-152200-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE PTSUNNY 75 44 33 SW12G18 29.87F TC 24  
CHICAGO-MIDWAY PTSUNNY 75 45 34 W15G22 29.88F TC 24  
AURORA MOSUNNY 77 47 34 W16G22 29.89F TC 25  
JOLIET* MOSUNNY 77 45 32 W7 29.91S TC 25  
WAUKEGAN PTSUNNY 74 46 36 W10 29.86F TC 23  
DUPAGE AIRPORT MOSUNNY 75 47 36 W12 29.88F TC 24  
KANKAKEE* SUNNY 75 46 35 NW10G16 29.93F TC 24  
WHEELING MOSUNNY 75 46 35 SW13 29.88F TC 24  
MORRIS* MOSUNNY 75 46 35 W10G16 29.90F TC 24  
ROMEOVILLE* MOSUNNY 75 46 35 W8G18 29.90F TC 24  
LANSING* MOSUNNY 73 47 38 SW10G17 29.91F TC 23  
NORTHERLY ISL* N/A 75 43 31 W9 N/A TC 24  
 
 
LMZ740>746-152200-  
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 69 54 1011.2 1  
WAUKEGAN HARBOR 69 53 250/ 10/ 16 1012.2 0  
WILMETTE BUOY 69 300/ 6/ 8 1014.6F 1  
CHICAGO BUOY 71 62 250/ 8/ 12 1010.7 1  
HARRISON CRIB 73 240/ 10/ 13 N/A  
NORTHERLY ISL 73 260/ 5/ 15 N/A  
CALUMET HARBOR 74 230/ 7/ 14 1012.6  
BURNS HARBOR 260/ 5/ 7 1013.2F  
MICHIGAN CITY 70 250/ 4/ 5 1011.6F  
MICH CITY BUOY 69 65 200/ 2/ 4 991.4F 1  
ST. JOSEPH BUOY 67 65 190/ 4/ 6 1013.7F 1/ 3  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-152200-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY MOSUNNY 76 47 35 NW10 29.95F TC 24  
GALESBURG* SUNNY 76 48 37 W12 29.94S TC 25  
MACOMB* MOSUNNY 76 49 38 CALM 29.96F TC 25  
JACKSONVILLE* SUNNY 75 49 39 W9 29.95F TC 24  
PITTSFIELD* SUNNY 76 49 37 W10 29.97F TC 25  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-152200-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PONTIAC MOSUNNY 75 49 39 MISG 29.92F TC 24  
BLOOMINGTON SUNNY 74 48 39 SW9 29.95F TC 23  
DECATUR SUNNY 74 47 38 SW6 29.95F TC 23  
PEORIA SUNNY 76 48 37 SW8 29.93F TC 24  
LACON* MOSUNNY 76 42 30 W9 29.91F TC 24  
SPRINGFIELD MOSUNNY 75 49 39 W6 29.95F TC 24  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-152200-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN MOSUNNY 74 48 39 S6 29.95F TC 23  
DANVILLE* MOSUNNY 74 48 39 W10G16 29.95F TC 24  
MATTOON MOSUNNY 73 47 39 VRB3 29.96F TC 23  
PARIS* MOSUNNY 73 49 42 W3 29.97S TC 23  
 
 
ILZ079-100>102-152200-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON MOSUNNY 75 46 35 VRB5 29.98F TC 24  
BELLEVILLE MOSUNNY 77 53 41 N6 29.94F TC 25  
CAHOKIA* MOSUNNY 78 49 35 VRB3 29.96F TC 26  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152200-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE MOSUNNY 78 53 41 VRB3 29.97F TC 26  
CAIRO* MOSUNNY 78 58 50 CALM 29.98F TC 26  
EFFINGHAM* MOSUNNY 74 48 39 W6 29.98F TC 24  
MT. VERNON SUNNY 78 49 35 VRB6 29.97F TC 26  
CENTRALIA* MOSUNNY 77 45 31 CALM 29.97F TC 25  
METROPOLIS* PTSUNNY 78 57 48 W5 29.98F TC 26  
 
 
ILZ067-068-072-073-078-083-087-091-152200-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE MOSUNNY 76 48 37 VRB6 29.96F TC 24  
FLORA* MOSUNNY 75 50 41 N5 29.97F TC 24  
FAIRFIELD* PTSUNNY 76 47 36 CALM 29.97F TC 24  
ROBINSON* MOSUNNY 73 48 40 W5 29.96F TC 23  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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