359  
ASUS43 KLOT 171404  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
900 AM CDT THU JUL 17 2025  
 
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.
 
 
ILZ001-002-007-009-015-016-024-171500-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLOUDY 68 64 87 NW8 30.04R TC 20  

 
 
ILZ003-004-008-010-011-017-018-171500-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD DRZL/FOG 67 63 87 NW13 30.05R VSB 1 TC 19  
ROCHELLE* CLOUDY 69 65 88 N10 30.03S TC 20  
PERU* CLOUDY 71 68 90 W5 30.02S TC 22  

 
 
ILZ005-006-012>014-019>023-171500-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE CLOUDY 71 64 78 N7 30.00R TC 22  
CHICAGO-MIDWAY PTSUNNY 75 63 66 N7 30.00R TC 24  
AURORA PTSUNNY 73 66 78 NW8 30.01R TC 23  
JOLIET* CLOUDY 75 68 80 N5 30.00F TC 24  
WAUKEGAN CLOUDY 67 60 78 N3 30.01S TC 19  
DUPAGE AIRPORT CLOUDY 73 64 73 N7 30.01R TC 23  
KANKAKEE* MOSUNNY 75 67 77 N8 30.01S TC 24  
WHEELING CLOUDY 70 63 78 N6 30.03R TC 21  
MORRIS* PTSUNNY 73 69 86 NW3 30.00S TC 23  
ROMEOVILLE* PTSUNNY 73 70 88 CALM 30.01S TC 23  
LANSING* CLOUDY 71 66 84 NE6 30.01S TC 22  
NORTHERLY ISL* N/A 70 62 76 N9 N/A TC 21  

 
 
LMZ740>746-171500-  
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)  
S. MID LAKE BUOY 63 69 350/ 12/ 16 1016.2R  
WINTHROP HARBOR 65 67 10/ 4/ 6 N/A 3/ 7  
WAUKEGAN HARBOR 64 64 20/ 4/ 8 N/A 3/ 8  
WILMETTE BUOY 68 10/ 8/ 12 1017.8S 4/ 8  
CHICAGO BUOY 69 72 360/ 12/ 14 1016.4R 3/ 7  
HARRISON CRIB 74 360/ 11/ 14 N/A  
NORTHERLY ISL 69 360/ 8/ 12 N/A  
CALUMET HARBOR 69 350/ 8/ 10 1015.0R  
BURNS HARBOR 69 350/ 6/ 8 1016.6R  
MICHIGAN CITY 69 340/ 7/ 8 1015.0R  
MICH CITY BUOY 69 76 340/ 8/ 12 1015.0R 6/ 8  
ST. JOSEPH BUOY 68 76 350/ 14/ 19 1016.7R 5/ 8  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-171500-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY PTSUNNY 75 70 84 N13 30.01S TC 24  
GALESBURG* CLOUDY 71 67 89 N6 30.05R TC 21  
MACOMB* CLOUDY 74 69 87 N7 30.05F TC 23  
PITTSFIELD* PTSUNNY 77 71 82 N3 30.02F TC 25  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-171500-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC CLOUDY 74 70 87 N7 30.01S TC 23  
BLOOMINGTON PTSUNNY 76 72 87 N9 30.02R TC 24  
DECATUR PTSUNNY 79 72 79 VRB5 30.01F HX 82 TC 26  
PEORIA PTSUNNY 77 70 79 NW6 30.02R TC 25  
LACON* CLOUDY 72 67 85 W3 30.02R TC 22  
LINCOLN* PTSUNNY 76 76 100 N7 30.00F TC 24  
SPRINGFIELD MOSUNNY 76 71 85 CALM 30.00R TC 24  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-171500-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
RANTOUL* PTSUNNY 75 71 88 CALM 30.02R TC 24  
MATTOON PTSUNNY 77 73 87 N8 30.01R TC 25  

 
 
ILZ079-100>102-171500-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON MOSUNNY 79 73 83 N5 30.00S HX 82 TC 26  
CAHOKIA* MOSUNNY 83 72 69 VRB3 29.99S HX 88 TC 28  
SPARTA* PTSUNNY 85 77 76 CALM 30.01R HX 95 TC 29  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171500-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE MOSUNNY 84 77 79 SW5 29.99F HX 94 TC 29  
CAIRO* SUNNY 85 79 82 SW3 30.01F HX 96 TC 29  
EFFINGHAM* PTSUNNY 78 73 85 CALM 30.03S HX 81 TC 26  
MARION MOSUNNY 82 77 83 S7 30.01F HX 91 TC 28  
MT. VERNON MOSUNNY 80 76 87 NE3 30.02S HX 86 TC 27  
CENTRALIA* PTSUNNY 79 73 82 CALM 30.02R HX 83 TC 26  
SALEM* PTSUNNY 80 69 71 CALM 30.02S HX 82 TC 26  
METROPOLIS* MOSUNNY 84 77 79 CALM 30.01F HX 94 TC 29  

 
 
ILZ067-068-072-073-078-083-087-091-171500-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE MOSUNNY 82 75 79 NW5 30.01R HX 89 TC 28  
FLORA* PTSUNNY 79 72 78 N3 30.02R HX 82 TC 26  
FAIRFIELD* MOSUNNY 80 73 78 CALM 30.01S HX 85 TC 27  
HARRISBURG* MOSUNNY 83 76 79 SW6 30.01F HX 92 TC 29  

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

 
 
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page Main Text Page