Regional Weather Roundup
Issued by NWS

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750
ASUS43 KLOT 251459
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT FRI SEP 25 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.

ILZ001-002-007-009-015-016-024-251600-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT RAIN  61  59  93 E7        30.30F TC  16
STERLING*      CLOUDY    63  61  94 E7        30.34R TC  17
$$

ILZ003-004-008-010-011-017-018-251600-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    62  59  90 CALM      30.36S TC  17
$$

ILZ005-006-012>014-019>023-251600-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    63  54  72 E5        30.33S TC  17
CHICAGO-MIDWAY NOT AVBL
AURORA         CLOUDY    62  59  90 E6        30.33S TC  17
WAUKEGAN       CLOUDY    61  55  81 SE5       30.34S TC  16
DUPAGE AIRPORT CLOUDY    62  58  86 NE5       30.34S TC  17
WHEELING       PTSUNNY   62  55  77 E6        30.36R TC  17
NORTHERLY ISL*   N/A     59  51  75 E6          N/A  TC  15
$$

LMZ740>746-251600-
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            63 64   90/  8/ 10 1025.2R         1/ 3
WAUKEGAN HARBOR            62 64   60/  6/  8 1026.1R         1/ 3
WILMETTE BUOY              62     100/  8/ 10 1029.1R         1/ 3
CHICAGO BUOY               60 63              1026.2R         1/ 3
HARRISON CRIB              60     100/  6/  7   N/A
NORTHERLY ISL              59     100/  4/  7   N/A
CALUMET HARBOR                     70/  5/  6 1027.3
MICHIGAN CITY              56     100/  2/  2 1027.0R
MICH CITY BUOY             56 57   80/  4/  6   N/A           1
ST. JOSEPH BUOY            54 51  100/  4/  6 1028.1R         0
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-251600-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-251600-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    CLOUDY    64  60  87 E3        30.30R TC  18
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-251600-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-251600-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          MOSUNNY   64  61  88 E6        30.28R TC  18
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-251600-
SOUTH-CENTRAL ILLINOIS

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

ILZ067-068-072-073-078-083-087-091-251600-
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
$$