843  
NZUS59 KLOT 151812  
HRRLOT  
 
CHICAGO AREA WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
100 PM CDT TUE SEP 15 2026  
 
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO  
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.  
 
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT  
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.  
 
ILZ005-006-012>014-019>023-151900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
OHARE PTSUNNY 78 69 73 W6 30.06R HX 80  
6HR MIN TEMP: 67; 6HR MAX TEMP: 78; 6HR PCP: 0.07;  
 
MIDWAY PTSUNNY 80 67 64 SW7 30.06R HX 82  
6HR MIN TEMP: 68; 6HR MAX TEMP: 80; 6HR PCP: TRACE;  
 
AURORA PTSUNNY 79 68 69 SW6 30.07R HX 81  
6HR MIN TEMP: 63; 6HR MAX TEMP: 80; 6HR PCP: 0.09;  
 
LANSING* MOSUNNY 84 65 52 S14 30.06F HX 85  
JOLIET* MOSUNNY 83 69 62 SW5 30.07R HX 86  
WAUKEGAN CLOUDY 71 69 93 SW13 30.06R  
6HR MIN TEMP: 63; 6HR MAX TEMP: 71; 6HR PCP: 0.22;  
 
DUPAGE AIRPORT PTSUNNY 79 69 71 SW12 30.08R HX 81  
6HR MIN TEMP: 65; 6HR MAX TEMP: 79; 6HR PCP: 0.15;  
 
WHEELING CLOUDY 75 68 78 VRB6 30.07S  
6HR MIN TEMP: 66; 6HR MAX TEMP: 75; 6HR PCP: 0.18;  
 
KANKAKEE* SUNNY 87 67 51 SW9 30.08F HX 90  
NORTHERLY ISL* N/A 79 63 57 SW3 N/A HX 80  

 
 
WIZ051-052-058>065-066-070>072-151900-  
SOUTHEAST WISCONSIN  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MILWAUKEE CLOUDY 72 68 87 SW9 30.04R  
6HR MIN TEMP: 64; 6HR MAX TEMP: 72; 6HR PCP: 0.09;  
 
KENOSHA* CLOUDY 69 68 96 W8 30.06S  
RACINE* CLOUDY 70 68 93 W8 30.07R  
BURLINGTON CLOUDY 72 68 88 W6 30.06S  
WEST BEND CLOUDY 72 68 88 SW12G21 30.03R  

 
 
INZ001>003-010>013-019-020-151900-  
NORTHWEST INDIANA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
GARY* SUNNY 86 68 54 S14 30.04F HX 89  
MICHIGAN CITY* NOT AVBL  
RENSSELAER* NOT AVBL  
VALPARAISO MOSUNNY 85 67 54 S14G20 30.07F HX 87  

 
 
LMZ740>746-151900-  
SOUTHERN LAKE MICHIGAN  
 
STATION/POSITION TIME SKY/WX TEMP WIND PRES VSBY  
AIR DIR/SP/G  
(UTC) (F) (DEG/KT/KT) (MB) (MI)  
HARRISON CRIB NOT AVBL  
NORTHERLY ISL 1715 79 220/ 4/ 13 N/A  
CALUMET HARBOR 1724 79 170/ 9/ 15 1016.9  
BURNS HARBOR NOT AVBL  
MICHIGAN CITY NOT AVBL  

 
 
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
The Nexlab IN Page Main Text Page