Regional Weather Roundup
Issued by NWS

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259
ASUS43 KLOT 011156
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.

ILZ001-002-007-009-015-016-024-011300-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT RAIN  68  65  90 SW7       29.79F TC  20
6HR MIN TEMP:  64; 6HR MAX TEMP:  68; 6HR PCP:  0.08;

$$

ILZ003-004-008-010-011-017-018-011300-
NORTH CENTRAL ILLINOIS

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

ILZ005-006-012>014-019>023-011300-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  LGT RAIN  65  63  93 S6        29.85R TC  18
6HR MIN TEMP:  64; 6HR MAX TEMP:  65; 6HR PCP:  0.06;

CHICAGO-MIDWAY NOT AVBL
AURORA         LGT RAIN  64  63  96 S3        29.84S TC  18
6HR MIN TEMP:  63; 6HR MAX TEMP:  64; 6HR PCP:  0.03;

WAUKEGAN       LGT RAIN  64  63  96 S3        29.84S FOG     TC  18
6HR MIN TEMP:  64; 6HR MAX TEMP:  65; 6HR PCP:  0.06;

DUPAGE AIRPORT LGT RAIN  64  63  96 S3        29.85R TC  18
6HR MIN TEMP:  63; 6HR MAX TEMP:  64;

WHEELING       LGT RAIN  65  64  97 SW3       29.86S TC  18
6HR MIN TEMP:  64; 6HR MAX TEMP:  65; 6HR PCP:  0.03;

NORTHERLY ISL*   N/A     64  62  93 S5          N/A  TC  18
$$

LMZ740>746-011300-
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 63  110/ 10/ 12 1010.6F         1/ 3
WAUKEGAN HARBOR            65 64  130/  6/ 10 1011.4F         1
WILMETTE BUOY              65     130/ 10/ 14 1012.4F         1
CHICAGO BUOY               66 64  170/  8/ 10 1009.9F         1
HARRISON CRIB              66     160/  9/ 10   N/A
NORTHERLY ISL              64     140/  2       N/A
CALUMET HARBOR                    150/  5/  7 1011.1
MICHIGAN CITY              69     180/  7/  7 1010.7F
MICH CITY BUOY             65 63  150/  4/  6   N/A           0
ST. JOSEPH BUOY            65 61  180/  8/  8 1012.9S         0
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-011300-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-011300-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    MOCLDY    74  62  66 S12       29.86S TC  23
6HR MIN TEMP:  73; 6HR MAX TEMP:  76;

TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-011300-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-011300-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     68  63  83 S6        29.89S TC  20
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011300-
SOUTH-CENTRAL ILLINOIS

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

ILZ067-068-072-073-078-083-087-091-011300-
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
$$