Regional Weather Roundup
Issued by NWS

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961
ASUS43 KLOT 010957
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT THU OCT 01 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.

ILZ001-002-007-009-015-016-024-011100-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         MOCLDY    65  64  97 VRB3      29.80S TC  18
$$

ILZ003-004-008-010-011-017-018-011100-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    64  63  96 CALM      29.83F TC  18
$$

ILZ005-006-012>014-019>023-011100-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  LGT RAIN  65  63  93 S3        29.86R TC  18
CHICAGO-MIDWAY NOT AVBL
AURORA         LGT RAIN  63  63 100 E5        29.85F FOG     TC  17
WAUKEGAN       LGT RAIN  64  63  96 S6        29.86R TC  18
DUPAGE AIRPORT LGT RAIN  63  62  97 CALM      29.87R TC  17
WHEELING       LGT RAIN  64  64 100 CALM      29.88R TC  18
NORTHERLY ISL*   N/A     64  61  90 CALM        N/A  TC  18
$$

LMZ740>746-011100-
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            65 64  120/  6/  8 1011.2F         1
WAUKEGAN HARBOR            65 65  160/  4/  6 1012.3R         0
WILMETTE BUOY              65     150/  6/ 10 1013.2R         1
CHICAGO BUOY               66 64  170/  4/  6 1010.6R         1
HARRISON CRIB              66     150/  9/ 10   N/A
NORTHERLY ISL              64     160/  1/  5   N/A
CALUMET HARBOR                     CALM  /  2 1011.5
MICHIGAN CITY              68     180/  4/  5 1010.5F
MICH CITY BUOY             66 63  160/  4/  6   N/A           0
ST. JOSEPH BUOY            63 61  150/  4/  4 1012.7F         0
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-011100-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-011100-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    MOCLDY    74  61  63 S7        29.86R TC  23
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-011100-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-011100-
SOUTHWEST ILLINOIS

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

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011100-
SOUTH-CENTRAL ILLINOIS

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

ILZ067-068-072-073-078-083-087-091-011100-
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
$$