Regional Weather Roundup
Issued by NWS

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589
ASUS43 KLOT 310256
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT THU JUL 30 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.

ILZ001-002-007-009-015-016-024-310400-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         MOCLDY    70  66  87 SE5       30.00R TC  21
$$

ILZ003-004-008-010-011-017-018-310400-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTCLDY    67  63  87 CALM      30.05S TC  19
$$

ILZ005-006-012>014-019>023-310400-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    78  61  55 W5        30.04R HX  80  TC  26
CHICAGO-MIDWAY NOT AVBL
AURORA         MOCLDY    67  67 100 CALM      30.05R TC  19
WAUKEGAN       PTCLDY    71  56  58 SW5       30.04R TC  22
DUPAGE AIRPORT PTCLDY    72  66  81 CALM      30.04R TC  22
WHEELING       PTCLDY    74  61  63 CALM      30.06R TC  23
NORTHERLY ISL*   N/A     70  65  84 CALM        N/A  TC  21
$$

LMZ740>746-310400-
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            73     150/  6/  8 1016.3R         1
WAUKEGAN HARBOR            74 72  210/  6/  8 1017.3R         1
WILMETTE BUOY              72     180/  4/  6 1019.8R         1
CHICAGO BUOY               75 73              1015.9R         1/ 2
HARRISON CRIB              75     180/  4/  5   N/A
NORTHERLY ISL              72      CALM  /  2   N/A
CALUMET HARBOR                       CALM     1016.9
BURNS HARBOR                                  1017.9R
MICHIGAN CITY              75     140/  4/  5 1015.6R
MICH CITY BUOY             75 74  140/  4/  4   N/A           0
ST. JOSEPH BUOY            74 74  180/  2/  4 1017.8R         0
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-310400-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-310400-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    PTCLDY    72  66  81 SE5       30.03R TC  22
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-310400-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ079-100>102-310400-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-310400-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL
$$

ILZ067-068-072-073-078-083-087-091-310400-
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
$$