Regional Weather Roundup
Issued by NWS

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344
ASUS43 KLOT 150056
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT MON SEP 14 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.

ILZ001-002-007-009-015-016-024-150200-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     68  53  58 E9        29.93F TC  20
$$

ILZ003-004-008-010-011-017-018-150200-
NORTH CENTRAL ILLINOIS

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

ILZ005-006-012>014-019>023-150200-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    69  44  40 SE10      30.05F TC  21
CHICAGO-MIDWAY NOT AVBL
AURORA         MOCLDY    64  49  57 SE7       30.04F TC  18
WAUKEGAN       MOCLDY    67  51  56 SE10      30.05F TC  19
DUPAGE AIRPORT MOCLDY    67  47  48 SE8       30.05F TC  19
WHEELING       MOCLDY    68  45  43 SE9       30.07F TC  20
NORTHERLY ISL*   N/A     68  52  56 SE7         N/A  TC  20
$$

LMZ740>746-150200-
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            67 62  110/ 17/ 21 1017.0F         4/ 4
WAUKEGAN HARBOR            68 64  160/ 16/ 21 1017.8F         3/ 4
WILMETTE BUOY              69     160/ 16/ 21 1020.5F         2/ 3
CHICAGO BUOY               71 69              1017.7F         2/ 3
HARRISON CRIB              71     140/ 20/ 23   N/A
NORTHERLY ISL              68     160/  6/ 13   N/A
CALUMET HARBOR                    140/  8/ 11 1018.9
MICHIGAN CITY              68     120/ 10/ 13 1017.8F
MICH CITY BUOY             68 66  140/ 14/ 17   N/A           1/ 5
ST. JOSEPH BUOY            67 66  130/ 10/ 14 1020.3F         1/ 5
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-150200-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-150200-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    CLEAR     78  52  40 SE9       30.01S TC  26
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-150200-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-150200-
SOUTHWEST ILLINOIS

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

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150200-
SOUTH-CENTRAL ILLINOIS

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

ILZ067-068-072-073-078-083-087-091-150200-
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
$$