Regional Weather Roundup
Issued by NWS

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030
ASUS43 KLOT 111456
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CST THU DEC 11 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.

ILZ001-002-007-009-015-016-024-111600-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    23  17  78 W3        30.04R TC  -5
$$

ILZ003-004-008-010-011-017-018-111600-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    23  15  71 NW5       30.03R WCI  17 TC  -5
$$

ILZ005-006-012>014-019>023-111600-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    24  13  62 NW7       30.00R WCI  16 TC  -4
CHICAGO-MIDWAY NOT AVBL
AURORA         CLOUDY    24  14  65 NW6       30.01R WCI  17 TC  -4
WAUKEGAN       SUNNY     20  12  71 W5        30.00S WCI  13 TC  -7
DUPAGE AIRPORT CLOUDY    23  14  68 CALM      30.01R TC  -5
WHEELING       CLOUDY    22  14  71 N7        30.03R WCI  13 TC  -6
ROMEOVILLE*    CLOUDY    25  16  68 CALM      30.02S TC  -4
NORTHERLY ISL*   N/A     25  14  63 CALM        N/A  TC  -4
$$

LMZ740>746-111600-
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)
HARRISON CRIB              24     330/  6/  7   N/A
NORTHERLY ISL              25     300/  6/  9   N/A
CALUMET HARBOR                    290/  4/  7 1015.9
BURNS HARBOR               27     300/  5/  9 1016.6R
MICHIGAN CITY              27     310/ 14/ 16 1016.2R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-111600-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-111600-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         CLOUDY    24  19  81 W5        30.04S WCI  18 TC  -4
SPRINGFIELD    CLOUDY    26  19  74 W6        30.06R WCI  19 TC  -3
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-111600-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-111600-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    30  19  64 E3        30.06F TC  -1
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-111600-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOSUNNY   31  25  78 SW5       30.08F WCI  26 TC  -1
MARION         PTSUNNY   30  25  80 CALM      30.08F TC  -1
$$

ILZ067-068-072-073-078-083-087-091-111600-
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
$$