Regional Weather Roundup
Issued by NWS

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941
ASUS43 KLOT 121412
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CST WED NOV 12 2025

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.

ILZ001-002-007-009-015-016-024-121500-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         MOSUNNY   42  30  62 W12       30.01R TC   6
STERLING*      SUNNY     40  32  73 W10       29.99R TC   4
$$

ILZ003-004-008-010-011-017-018-121500-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       MOSUNNY   39  29  67 W8        29.95R WCI  33 TC   4
DE KALB*       SUNNY     38  30  72 W17G23    29.94R WCI  29 TC   4
PERU*            N/A    N/A N/A N/A MISG        N/A
$$

ILZ005-006-012>014-019>023-121500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOSUNNY   41  29  62 W13G22    29.89R TC   5
CHICAGO-MIDWAY MOSUNNY   41  30  65 W14       29.91R TC   5
AURORA         MOSUNNY   38  32  79 W14       29.92R WCI  30 TC   3
JOLIET*        MOSUNNY   41  33  73 W8        29.94R TC   5
WAUKEGAN       SUNNY     40  29  64 W9G20     29.85R TC   4
DUPAGE AIRPORT SUNNY     40  30  67 W16G26    29.91R TC   4
WHEELING       SUNNY     41  30  65 NW10G21   29.90R TC   5
MORRIS*        MOSUNNY   39  34  82 W13       29.94R WCI  31 TC   4
ROMEOVILLE*    SUNNY     39  34  81 W15G22    29.93R WCI  31 TC   4
LANSING*       SUNNY     39  28  65 W9        29.91R WCI  33 TC   4
NORTHERLY ISL*   N/A     42  30  62 W14         N/A  TC   6
$$

LMZ740>746-121500-
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)
S. MID LAKE BUOY           46 51  280/ 23/ 29 1009.5R         7/ 5
WINTHROP HARBOR            43 48  240/ 14/ 19   N/A           1/ 2
WAUKEGAN HARBOR            43 46                N/A           1
HARRISON CRIB              42     280/ 18/ 20   N/A
NORTHERLY ISL              40     300/ 10/ 13   N/A
CALUMET HARBOR             40     250/  5/ 12 1010.9R
BURNS HARBOR               43     270/ 11/ 14 1012.2R
MICHIGAN CITY              45     270/ 23/ 27 1010.5R
ST. JOSEPH BUOY            47 50  260/ 23/ 33 1011.2R         7/ 6
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-121500-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         SUNNY     44  33  65 W6        30.09R TC   7
GALESBURG*     MOSUNNY   38  32  77 W8          N/A  WCI  33 TC   4
MACOMB*        SUNNY     40  34  77 W8        30.09R TC   5
JACKSONVILLE*  SUNNY     41  32  70 W8        30.09R TC   5
PITTSFIELD*    SUNNY     46  33  60 W6        30.11R TC   8
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-121500-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        MOSUNNY   40  32  71 W15G21    29.99R TC   5
BLOOMINGTON    MOSUNNY   41  33  73 W13       30.01R TC   5
DECATUR        SUNNY     46  32  58 W12       30.04R TC   8
PEORIA         PTSUNNY   43  30  60 W8        30.03R TC   6
LACON*         MOSUNNY   41  29  62 W8        30.00R TC   5
LINCOLN*       MOSUNNY   44  33  64 W7        30.05R TC   7
SPRINGFIELD    SUNNY     41  32  70 W7        30.07R TC   5
TAYLORVILLE    SUNNY     43  32  65 MISG      30.08R TC   6
$$

ILZ033-039-045-046-055>057-062-063-121500-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      SUNNY     40  33  76 W13       30.01R TC   4
RANTOUL*       MOSUNNY   37  32  81 W12       29.99R WCI  30 TC   3
MATTOON        SUNNY     44  32  62 W9        30.04R TC   7
PARIS*         SUNNY     42  32  68 W15       30.02R TC   5
$$

ILZ079-100>102-121500-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     45  36  70 W5        30.11R TC   7
BELLEVILLE     SUNNY     51  35  55 W3        30.09R TC  10
CAHOKIA*       SUNNY     41  35  79 CALM      30.12R TC   5
SPARTA*        SUNNY     49  32  51 W6        30.12R TC  10
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121500-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     SUNNY     43  33  68 SW7       30.13R TC   6
CAIRO*         SUNNY     45  36  70 SW6       30.17R TC   7
EFFINGHAM*     SUNNY     46  33  61 W12       30.09R TC   8
MARION         SUNNY     43  34  70 SW6       30.12R TC   6
MT. VERNON     SUNNY     42  34  73 S5        30.11R TC   6
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         SUNNY     45  33  62 W5        30.10R TC   7
METROPOLIS*    SUNNY     46  34  62 CALM      30.15R TC   8
$$

ILZ067-068-072-073-078-083-087-091-121500-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  SUNNY     47  32  56 W10       30.07R TC   8
FLORA*         SUNNY     46  32  57 W13       30.09R TC   8
FAIRFIELD*     SUNNY     43  32  64 CALM      30.10R TC   6
HARRISBURG*    SUNNY     44  34  69 MISG      30.13R TC   7
ROBINSON*      SUNNY     45  34  65 W14       30.05R TC   7
$$

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