Regional Weather Roundup
Issued by NWS

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817
ASUS43 KLOT 031258
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT WED SEP 03 2025

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.

ILZ001-002-007-009-015-016-024-031400-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         PTSUNNY   63  57  81 SW7       29.85F TC  17
$$

ILZ003-004-008-010-011-017-018-031400-
NORTH CENTRAL ILLINOIS

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

ILZ005-006-012>014-019>023-031400-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    65  55  70 SW9       29.82F TC  18
CHICAGO-MIDWAY NOT AVBL
AURORA         PTSUNNY   62  56  80 SW8       29.84F TC  17
WAUKEGAN       PTSUNNY   63  60  90 SW7       29.80F TC  17
DUPAGE AIRPORT CLOUDY    63  56  78 S8        29.83F TC  17
WHEELING       CLOUDY    65  56  72 S5        29.83F TC  18
ROMEOVILLE*    PTSUNNY   63  59  88 S7        29.87S TC  17
NORTHERLY ISL*   N/A     66  53  63 SW9         N/A  TC  19
$$

LMZ740>746-031400-
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)
S. MID LAKE BUOY           68 71  240/ 19/ 23 1009.2F
WINTHROP HARBOR            66 71  200/ 14/ 17   N/A           1
WAUKEGAN HARBOR            63 71                N/A           0
WILMETTE BUOY              67     270/ 12/ 17 1011.8F         1/ 2
CHICAGO BUOY               68 69  230/ 12/ 14 1010.9F         1
HARRISON CRIB              69     230/ 12/ 14   N/A
NORTHERLY ISL              66     220/  4/  9   N/A
CALUMET HARBOR                    210/  4/  7 1010.1
BURNS HARBOR               64     210/  6/  9 1011.9S
MICHIGAN CITY              64     210/ 11/ 12 1009.7F
MICH CITY BUOY             67 72  200/ 12/ 14 1009.4F         2/ 3
ST. JOSEPH BUOY            69 71  180/ 14/ 19 1011.2F         2/ 3
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-031400-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-031400-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    SUNNY     60  55  83 CALM      29.92  TC  16
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-031400-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-031400-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     61  59  94 VRB3      29.95S TC  16
BELLEVILLE     MOSUNNY   63  60  90 CALM      29.92F TC  17
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-031400-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOSUNNY   64  61  90 SW3       29.95R TC  18
MARION         MOSUNNY   64  57  77 CALM      29.95S TC  18
$$

ILZ067-068-072-073-078-083-087-091-031400-
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
$$