Regional Weather Roundup
Issued by NWS

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987
ASUS43 KLOT 160556
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT WED SEP 16 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.

ILZ001-002-007-009-015-016-024-160700-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT RAIN  67  64  90 CALM      30.20R TC  19
6HR MIN TEMP:  67; 6HR MAX TEMP:  73; 6HR PCP:  0.04;

$$

ILZ003-004-008-010-011-017-018-160700-
NORTH CENTRAL ILLINOIS

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

ILZ005-006-012>014-019>023-160700-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    71  66  84 N9        30.19R TC  22
6HR MIN TEMP:  71; 6HR MAX TEMP:  79; 6HR PCP: TRACE;

CHICAGO-MIDWAY NOT AVBL
AURORA         CLOUDY    70  67  90 NE3       30.20R TC  21
6HR MIN TEMP:  68; 6HR MAX TEMP:  76; 6HR PCP: TRACE;

WAUKEGAN       MOCLDY    67  65  93 NE6       30.20S TC  19
6HR MIN TEMP:  67; 6HR MAX TEMP:  72;

DUPAGE AIRPORT MOCLDY    69  66  90 N7        30.19S TC  21
6HR MIN TEMP:  69; 6HR MAX TEMP:  78;

WHEELING       CLOUDY    70  67  90 NE6       30.21R TC  21
6HR MIN TEMP:  70; 6HR MAX TEMP:  79; 6HR PCP:  0.06;

NORTHERLY ISL*   N/A     70  67  90 N3          N/A  TC  21
$$

LMZ740>746-160700-
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 59  310/  6/  6 1019.6R         0
WAUKEGAN HARBOR            65 62  350/  6/  6 1022.3R         0
WILMETTE BUOY              65     330/  6/  8 1024.3R         0
CHICAGO BUOY               68 66              1021.2R         0
NORTHERLY ISL              69     360/  4/  5   N/A
CALUMET HARBOR                    350/  4/  5 1021.9
MICH CITY BUOY             68 65   50/  2/  4   N/A           0
ST. JOSEPH BUOY            68 63   20/  4/  6 1022.7R         0
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-160700-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-160700-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    CLOUDY    75  72  90 NE9       30.12F TC  24
6HR MIN TEMP:  74; 6HR MAX TEMP:  78;

TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-160700-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-160700-
SOUTHWEST ILLINOIS

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

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160700-
SOUTH-CENTRAL ILLINOIS

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

ILZ067-068-072-073-078-083-087-091-160700-
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
$$