Regional Weather Roundup
Issued by NWS

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271
ASUS43 KLOT 102108
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT THU SEP 10 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.

ILZ001-002-007-009-015-016-024-102200-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         SUNNY     80  56  43 CALM      29.98F HX  80  TC  27
$$

ILZ003-004-008-010-011-017-018-102200-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       MOSUNNY   79  54  41 CALM      30.02F TC  26
$$

ILZ005-006-012>014-019>023-102200-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTSUNNY   77  51  40 E5        30.01F TC  25
CHICAGO-MIDWAY CLOUDY    76  55  48 E10       30.00F TC  24
AURORA         PTSUNNY   77  61  57 E3        30.00F TC  25
WAUKEGAN       MOSUNNY   73  55  53 E8        30.00F TC  23
DUPAGE AIRPORT PTSUNNY   76  58  53 E6        30.01F TC  24
WHEELING       PTSUNNY   76  51  41 E7        30.02F TC  24
NORTHERLY ISL*   N/A     76  60  57 NE7         N/A  TC  24
$$

LMZ740>746-102200-
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            72 71   60/  8/  8   N/A           1
WAUKEGAN HARBOR            72 72   80/  6/  8 1016.8F         1
WILMETTE BUOY              72      40/  4/  6 1019.7F         1/ 4
CHICAGO BUOY               73 72              1015.5F         1/ 4
HARRISON CRIB              73      50/  7/  8   N/A
NORTHERLY ISL              73      40/  5/  7   N/A
CALUMET HARBOR             73      20/  6/  8 1016.5F
MICHIGAN CITY              71      30/  7/  7 1015.1F
MICH CITY BUOY             71 70   40/  8/ 10   N/A           1/ 4
ST. JOSEPH BUOY            71 72   30/  6/  8 1017.4F         2/ 4
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-102200-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    73  71  93 N5        29.99F TC  23
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-102200-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DECATUR        CLOUDY    75  67  76 CALM      30.01F TC  24
PEORIA         CLOUDY    75  69  81 NW5       29.99F TC  24
SPRINGFIELD    CLOUDY    76  69  79 W3        29.99F TC  24
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-102200-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      PTSUNNY   74  69  85 CALM      30.00F TC  23
MATTOON        PTSUNNY   75  69  81 N7        29.99F TC  24
$$

ILZ079-100>102-102200-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CAHOKIA*       CLOUDY    79  70  74 N8        29.97F HX  82  TC  26
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-102200-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    79  73  83 NE3       29.95F HX  82  TC  26
MT. VERNON     MOSUNNY   81  70  69 CALM      29.97F HX  84  TC  27
$$

ILZ067-068-072-073-078-083-087-091-102200-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  PTSUNNY   79  69  71 CALM      29.97F HX  81  TC  26
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$