Regional Weather Roundup
Issued by NWS

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404
ASUS43 KLOT 011858
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM 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.

ILZ001-002-007-009-015-016-024-012000-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT RAIN  67  66  97 N8        29.85F FOG     TC  19
$$

ILZ003-004-008-010-011-017-018-012000-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       LGT RAIN  64  62  93 N6        29.90S FOG     TC  18
$$

ILZ005-006-012>014-019>023-012000-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  LGT RAIN  69  68  96 SW10      29.86F FOG     TC  21
CHICAGO-MIDWAY NOT AVBL
AURORA         LGT RAIN  69  69 100 SW8       29.87F FOG     TC  21
WAUKEGAN       RAIN      64  63  96 N8        29.86S FOG     TC  18
DUPAGE AIRPORT RAIN      69  68  96 SW13G20   29.87F FOG     TC  21
WHEELING       LGT RAIN  69  68  96 SW7       29.87F FOG     TC  21
NORTHERLY ISL*   N/A     71  66  84 SW7         N/A  TC  22
$$

LMZ740>746-012000-
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            64 63  330/ 14/ 17 1010.5F         1/ 3
WAUKEGAN HARBOR            67 64  350/ 10/ 12 1012.2R         1
CHICAGO BUOY               70 64  260/ 14/ 17 1010.4F         1
HARRISON CRIB              71     240/ 16/ 18   N/A
NORTHERLY ISL              71     260/  8/ 10   N/A
CALUMET HARBOR                    240/  6/ 12 1011.7
MICHIGAN CITY              70     240/  8/ 10 1010.7R
MICH CITY BUOY             67 63  240/  4/  6   N/A           1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-012000-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         HVY RAIN  70  70 100 SW15G30   29.88S VSB 1   TC  21
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-012000-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    PTSUNNY   85  64  49 VRB7      29.87F HX  86  TC  29
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-012000-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-012000-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          MOSUNNY   88  66  48 SW13G22   29.88F HX  90  TC  31
CAHOKIA*       PTSUNNY   92  64  39 SW12G25   29.86F HX  93  TC  33
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-012000-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOSUNNY   90  64  43 MISG      29.91F HX  91  TC  32
$$

ILZ067-068-072-073-078-083-087-091-012000-
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
$$