Regional Weather Roundup
Issued by NWS

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848
ASUS43 KLOT 290556
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT TUE SEP 29 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.

ILZ001-002-007-009-015-016-024-290700-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     49  49 100 CALM      30.02S TC   9
6HR MIN TEMP:  49; 6HR MAX TEMP:  64;

$$

ILZ003-004-008-010-011-017-018-290700-
NORTH CENTRAL ILLINOIS

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

ILZ005-006-012>014-019>023-290700-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLEAR     57  55  93 CALM      30.03F TC  14
6HR MIN TEMP:  57; 6HR MAX TEMP:  66;

CHICAGO-MIDWAY NOT AVBL
AURORA         CLEAR     53  52  96 CALM      30.04F TC  12
6HR MIN TEMP:  52; 6HR MAX TEMP:  65;

WAUKEGAN       MOCLDY    51  51 100 CALM      30.04S FOG     TC  11
6HR MIN TEMP:  49; 6HR MAX TEMP:  58;

DUPAGE AIRPORT CLEAR     53  52  96 CALM      30.05F TC  12
6HR MIN TEMP:  52; 6HR MAX TEMP:  66;

WHEELING       PTCLDY    55  54  96 CALM      30.06S TC  13
6HR MIN TEMP:  54; 6HR MAX TEMP:  64;

NORTHERLY ISL*   N/A     61  58  90 SE3         N/A  TC  16
$$

LMZ740>746-290700-
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            61 65  270/  4/  6 1016.3F         0
WAUKEGAN HARBOR            61 65  200/  2/  4 1017.0F         0
WILMETTE BUOY              65      90/  2/  4 1019.3F         1
CHICAGO BUOY               64 64  160/  4/  4 1016.4F         1
HARRISON CRIB              63     140/  4/  4   N/A
NORTHERLY ISL              60      90/  2/  4   N/A
CALUMET HARBOR                     60/  2/  4 1017.8
MICHIGAN CITY              59      80/  5/  6 1016.8R
MICH CITY BUOY             61 63  110/  6/  6   N/A           1
ST. JOSEPH BUOY            61 62   80/  2/  6 1018.2F         1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-290700-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-290700-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    CLEAR     48  47  96 CALM      30.04R TC   9
6HR MIN TEMP:  48; 6HR MAX TEMP:  63;

TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-290700-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-290700-
SOUTHWEST ILLINOIS

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

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290700-
SOUTH-CENTRAL ILLINOIS

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

ILZ067-068-072-073-078-083-087-091-290700-
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
$$