Regional Weather Roundup
Issued by NWS

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385
ASUS43 KLOT 180956
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT SAT OCT 18 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.

ILZ001-002-007-009-015-016-024-181100-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    65  61  87 SW6       29.66R TC  18
STERLING*      MOCLDY    64  63  94 SW8       29.68R TC  18
$$

ILZ003-004-008-010-011-017-018-181100-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       TSTM      63  63 100 S12       29.69S TC  17
$$

ILZ005-006-012>014-019>023-181100-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    66  58  75 S7        29.67S TC  19
CHICAGO-MIDWAY NOT AVBL
AURORA         CLOUDY    64  59  83 W5        29.69R TC  18
WAUKEGAN       TSTM      66  59  78 SW13      29.67R TC  19
DUPAGE AIRPORT CLOUDY    66  58  75 SW8       29.69R TC  19
WHEELING       CLOUDY    67  58  72 SW8       29.70R THUNDER TC  19
NORTHERLY ISL*   N/A     65  55  70 S12         N/A  TC  18
$$

LMZ740>746-181100-
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           66 65  190/ 19/ 23 1004.5R
WINTHROP HARBOR            60 55                N/A           2/ 4
WAUKEGAN HARBOR            65 61                N/A           2/ 4
WILMETTE BUOY              66     200/ 14/ 17 1006.1F         2/ 4
CHICAGO BUOY               66     200/ 12/ 17 1005.8S         2/ 3
HARRISON CRIB              67     200/ 21/ 23   N/A
NORTHERLY ISL              65     190/ 10/ 15   N/A
CALUMET HARBOR             66     190/ 10/ 12 1004.7
BURNS HARBOR               63     170/  8/ 11 1006.8F
MICHIGAN CITY              64     170/ 16/ 23 1005.0F
ST. JOSEPH BUOY            62 56  140/ 16/ 21 1007.1F         2/ 3
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-181100-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-181100-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    PTCLDY    65  58  78 S9        29.73R TC  18
TAYLORVILLE    CLEAR     64  59  82 MISG      29.75S TC  18
$$

ILZ033-039-045-046-055>057-062-063-181100-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-181100-
SOUTHWEST ILLINOIS

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

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181100-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     PTCLDY    66  61  84 S8        29.82R TC  19
$$

ILZ067-068-072-073-078-083-087-091-181100-
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
$$