788
ASUS43 KLOT 290511
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT TUE SEP 29 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.

ILZ001-002-007-009-015-016-024-290600-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     51  50  96 CALM      30.02S TC  11
STERLING*      CLEAR     53  50  89 E5        30.04F TC  12
SAVANNA*       CLEAR     57  53  86 CALM      30.03S TC  14
$$

ILZ003-004-008-010-011-017-018-290600-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLEAR     55  52  89 CALM      30.06F TC  13
FREEPORT*      CLEAR     55  51  87 SE3       30.06F TC  13
ROCHELLE*      CLEAR     52  51  95 CALM      30.06S TC  11
DE KALB*       CLEAR     55  52  90 E6        30.06F TC  13
PERU*          CLEAR     55  52  88 E3        30.05S TC  13
$$

ILZ005-006-012>014-019>023-290600-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLEAR     60  58  92 CALM      30.04S TC  16
CHICAGO-MIDWAY CLEAR     61  58  90 CALM      30.05S TC  16
AURORA         CLEAR     52  51  97 CALM      30.06R TC  11
JOLIET*        CLEAR     55  55  99 CALM      30.06S TC  13
WAUKEGAN       PTCLDY    51  51 100 CALM      30.04F TC  11
DUPAGE AIRPORT CLEAR     54  51  90 CALM      30.06S TC  12
KANKAKEE*      FOG       51  50  95 CALM      30.07S VSB 3/4 TC  11
WHEELING       CLEAR     56  55  97 CALM      30.06F TC  13
ROMEOVILLE*    CLEAR     57  55  94 E5        30.06S TC  14
LANSING*       CLEAR     52  51  98 CALM      30.06S FOG     TC  11
NORTHERLY ISL*   N/A     60  58  92 NE2         N/A  TC  16
$$

LMZ740>746-290600-
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            61 65  290/  4/  4 1016.6          0
WAUKEGAN HARBOR            62 65  270/  2/  4 1017.4          0
WILMETTE BUOY              65      90/  2/  2 1019.4F         1
CHICAGO BUOY               64 64  110/  2/  2 1016.7          1
HARRISON CRIB              64      80/  3/  3   N/A
NORTHERLY ISL              60      40/  3       N/A
CALUMET HARBOR             63      50/  4/  5 1017.6F
MICHIGAN CITY              60      80/  5/  6 1016.6F
MICH CITY BUOY             61 63   80/  4/  6   N/A           1
ST. JOSEPH BUOY            61 62   90/  4/  4 1018.3F         1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-290600-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLEAR     59  46  62 SE5       30.03R TC  15
GALESBURG*     CLEAR     50  50 100 CALM      30.04S TC  10
MACOMB*        CLEAR     47  47 100 CALM      30.05S TC   9
JACKSONVILLE*  CLEAR     50  50  99 E3        30.03S TC  10
PITTSFIELD*    CLEAR     54  51  92 CALM      30.05R TC  12
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-290600-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLEAR     54  53  97 SE5       30.06R TC  12
BLOOMINGTON    CLEAR     55  51  86 E7        30.06S TC  13
DECATUR        CLEAR     54  47  77 CALM      30.05S TC  12
PEORIA         CLEAR     55  50  83 E6        30.04S TC  13
LACON*         CLEAR     52  48  85 CALM      30.03F TC  11
SPRINGFIELD    CLEAR     49  47  93 CALM      30.03F TC   9
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-290600-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLEAR     57  50  77 E7        30.05S TC  14
RANTOUL*       CLEAR     57  51  81 NE3       30.06S TC  14
MATTOON        CLEAR     56  52  86 CALM      30.04S TC  13
PARIS*         CLEAR     50  49  97 CALM      30.05S TC  10
$$

ILZ079-100>102-290600-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     55  49  81 CALM      30.02S TC  13
BELLEVILLE     CLEAR     55  53  94 CALM      30.00S TC  13
CAHOKIA*       CLEAR     54  54 100 CALM      30.01S TC  12
SPARTA*        CLEAR     53  50  89 CALM      30.03S TC  12
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290600-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL
CAIRO*         CLEAR     58  55  90 CALM      30.02S TC  14
EFFINGHAM*     CLEAR     53  52  94 CALM      30.06S TC  12
MARION         HAZE      55  48  76 CALM      30.03S VSB 1/4 TC  13
MT. VERNON     CLEAR     49  47  93 CALM      30.04S TC   9
CENTRALIA*     CLEAR     52  48  86 CALM      30.03S TC  11
SALEM*         CLEAR     64  50  61 MISG      30.03S TC  18
METROPOLIS*    CLEAR     51  50  97 CALM      30.03R TC  11
$$

ILZ067-068-072-073-078-083-087-091-290600-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLEAR     57  52  83 CALM      30.04R TC  14
FLORA*         CLEAR     55  50  82 CALM      30.04S TC  13
FAIRFIELD*     CLEAR     60  48  64 CALM      30.03S TC  16
HARRISBURG*    CLEAR     53  50  88 CALM      30.04R TC  12
ROBINSON*      CLEAR     50  50 100 NW2       30.04S TC  10
$$

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