Regional Weather Roundup
Issued by NWS

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995
ASUS43 KLOT 200056
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT SAT SEP 19 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.

ILZ001-002-007-009-015-016-024-200200-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    71  70  96 N6        29.88R TC  22
$$

ILZ003-004-008-010-011-017-018-200200-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       HVY RAIN  67  66  97 NE3       29.95S FOG     TC  19
$$

ILZ005-006-012>014-019>023-200200-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    69  67  93 CALM      29.93S TC  21
CHICAGO-MIDWAY NOT AVBL
AURORA         CLOUDY    68  68 100 E3        29.94S FOG     TC  20
WAUKEGAN       CLOUDY    65  65 100 E3        29.94F FOG     TC  18
DUPAGE AIRPORT RAIN      68  68 100 CALM      29.95R FOG     TC  20
WHEELING       CLOUDY    66  65  96 CALM      29.96S FOG     TC  19
NORTHERLY ISL*   N/A     67  65  93 E2          N/A  TC  19
$$

LMZ740>746-200200-
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 65  360/  2/  4 1014.9S         2/ 4
WAUKEGAN HARBOR            65 66   40/  4/  6 1014.4F         1/ 4
WILMETTE BUOY              63      70/  2/  4 1015.8F         1/ 4
CHICAGO BUOY               68 67              1013.0F         1
NORTHERLY ISL              67     100/  2/  5   N/A
CALUMET HARBOR                     CALM  /  1 1014.0
MICH CITY BUOY             64 65   50/  8/ 10   N/A           1
ST. JOSEPH BUOY            62 61   40/  2/  4 1015.5R         1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-200200-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-200200-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    CLOUDY    79  73  82 SE5       29.87F HX  82  TC  26
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-200200-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-200200-
SOUTHWEST ILLINOIS

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

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200200-
SOUTH-CENTRAL ILLINOIS

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

ILZ067-068-072-073-078-083-087-091-200200-
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
$$