ASUS43 KLOT 240256
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT SUN AUG 23 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.

ILZ001-002-007-009-015-016-024-240400-
NORTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     60  57  89 CALM      30.05S TC  16           
$$

ILZ003-004-008-010-011-017-018-240400-
NORTH CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLEAR     58  54  86 CALM      30.06R TC  14           
$$

ILZ005-006-012>014-019>023-240400-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTCLDY    68  53  58 W5        30.02R TC  20           
CHICAGO-MIDWAY NOT AVBL                                               
AURORA         CLEAR     58  57  97 W5        30.04R TC  14           
WAUKEGAN       NOT AVBL                                               
DUPAGE AIRPORT NOT AVBL                                               
WHEELING       MOCLDY    66  55  67 CALM      30.04R TC  19           
NORTHERLY ISL*   N/A     70  50  49 NW6         N/A  TC  21           
$$

LMZ740>746-240400-
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 73  280/  8/ 10 1015.8R         2/ 7
WAUKEGAN HARBOR            69 73  270/  8/ 10 1016.8R         2/ 5
WILMETTE BUOY              73     360/ 10/ 14 1019.1R         3/ 6
CHICAGO BUOY               73 73              1015.5R         2/ 5
NORTHERLY ISL              71     310/  7/ 10   N/A
CALUMET HARBOR                    280/  2/  4 1016.5
MICH CITY BUOY             71 74  330/  6/  8   N/A           2/ 6
ST. JOSEPH BUOY            69 73  350/  4/  6 1017.0R         3/ 5
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-240400-
WEST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-240400-
CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL                                               
SPRINGFIELD    PTCLDY    62  60  93 CALM      30.07R TC  17           
TAYLORVILLE    NOT AVBL                                               
$$

ILZ033-039-045-046-055>057-062-063-240400-
EAST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ079-100>102-240400-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     64  61  88 N5        30.06S TC  18           
CAHOKIA*       PTCLDY    64  60  87 CALM      30.05S TC  18           
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240400-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL                                               
$$

ILZ067-068-072-073-078-083-087-091-240400-
SOUTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

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