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Regional Weather Roundup
Issued by NWS

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874
ASUS43 KLOT 110401
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST WED DEC 10 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.

ILZ001-002-007-009-015-016-024-110500-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    25  20  81 NW13G20   30.01R WCI  14 TC  -4
STERLING*      MOCLDY    26  23  88 W13       29.98S WCI  15 TC  -3
SAVANNA*       CLOUDY    26  20  79 NW9       29.99S WCI  16 TC  -3
$$

ILZ003-004-008-010-011-017-018-110500-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    28  21  75 NW7       29.96R WCI  21 TC  -2
FREEPORT*      CLOUDY    28  22  79 NW10      29.98R WCI  18 TC  -2
DE KALB*       CLOUDY    27  22  79 CALM      29.95R TC  -3
PERU*          CLOUDY    28  24  83 W12       29.98S WCI  18 TC  -2
$$

ILZ005-006-012>014-019>023-110500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    28  16  60 NW13      29.92R WCI  17 TC  -2
CHICAGO-MIDWAY FLURRIES  29  19  66 N12       29.93R WCI  19 TC  -2
AURORA         CLOUDY    27  23  85 NW6       29.94R WCI  20 TC  -3
JOLIET*        CLOUDY    31  24  73 NW5       29.96R WCI  26 TC   0
WAUKEGAN       CLOUDY    26  13  57 NW10G20   29.92R WCI  16 TC  -3
DUPAGE AIRPORT CLOUDY    27  18  69 NW9       29.93R WCI  18 TC  -3
WHEELING       CLOUDY    28  18  66 NW10      29.94R WCI  19 TC  -2
MORRIS*        CLOUDY    29  25  83 NW8       29.95S WCI  21 TC  -1
ROMEOVILLE*    CLOUDY    28  19  69 NW15      29.95R WCI  17 TC  -2
LANSING*       CLOUDY    28  14  55 N9G18     29.94R WCI  20 TC  -2
NORTHERLY ISL*   N/A     29  18  63 W12         N/A  WCI  19 TC  -2
$$

LMZ740>746-110500-
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              29     330/ 16/ 19   N/A
NORTHERLY ISL              29     310/ 11/ 17   N/A
CALUMET HARBOR             29     280/  5/  9 1013.0
BURNS HARBOR               30     300/  9/ 15 1013.5R
MICHIGAN CITY              30     280/ 19/ 21 1012.5R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-110500-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    29  24  82 NW16      30.05R WCI  17 TC  -2
GALESBURG*     CLOUDY    26  25  96 W13G24    30.03S WCI  15 TC  -3
MACOMB*        CLOUDY    27  24  87 NW17      30.06R WCI  14 TC  -3
JACKSONVILLE*  CLOUDY    30  23  75 NW13      30.04S WCI  20 TC  -1
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-110500-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    29  25  84 W14       29.97S WCI  19 TC  -1
BLOOMINGTON    CLOUDY    28  23  81 NW15      29.98S WCI  16 TC  -2
DECATUR        CLOUDY    30  24  78 W10       30.00S WCI  21 TC  -1
PEORIA         CLOUDY    28  22  78 NW14G22   30.01R WCI  17 TC  -2
LINCOLN*       CLOUDY    30  21  68 W7        30.01S WCI  24 TC  -1
SPRINGFIELD    CLOUDY    30  24  78 NW14      30.02R WCI  19 TC  -1
TAYLORVILLE    CLOUDY    31  25  79 W12       30.02S WCI  21 TC  -1
$$

ILZ033-039-045-046-055>057-062-063-110500-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    29  24  82 W9        29.98R WCI  20 TC  -2
RANTOUL*       CLOUDY    29  24  78 NW12      29.97S WCI  20 TC  -1
MATTOON        CLOUDY    30  24  78 NW12      29.99S WCI  20 TC  -1
PARIS*         CLOUDY    30  22  73 NW8       29.99S WCI  22 TC  -1
$$

ILZ079-100>102-110500-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          PTCLDY    28  21  74 W5        30.06R WCI  23 TC  -2
BELLEVILLE     PTCLDY    31  23  74 CALM      30.05R TC  -1
CAHOKIA*       CLEAR     30  22  72 W5        30.07R WCI  25 TC  -1
SPARTA*        MOCLDY    30  23  75 CALM      30.08R TC  -1
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-110500-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLEAR     30  24  78 NW5       30.07R WCI  25 TC  -1
CAIRO*         CLEAR     31  25  78 NW3       30.08R TC   0
EFFINGHAM*     CLOUDY    31  25  77 W10       30.04S WCI  22 TC   0
MT. VERNON     CLOUDY   N/A N/A N/A NW5       30.06R
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    33  24  72 W6        30.04R WCI  27 TC   0
METROPOLIS*    CLEAR     33  24  68 CALM      30.06S TC   1
$$

ILZ067-068-072-073-078-083-087-091-110500-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    32  22  66 NW14      30.02R WCI  22 TC   0
FLORA*         CLOUDY    32  23  69 NW12      30.04S WCI  23 TC   0
FAIRFIELD*     CLOUDY    32  23  68 NW7       30.05R WCI  26 TC   0
HARRISBURG*    CLOUDY    34  22  62 NW13G20   30.07R WCI  25 TC   1
ROBINSON*      CLOUDY    32  23  69 NW12G21   30.01R WCI  23 TC   0
$$

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