Regional Weather Roundup
Issued by NWS

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176
ASUS43 KLOT 040401
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST WED DEC 03 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.

ILZ001-002-007-009-015-016-024-040500-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     16   9  74 NW14      30.29R WCI   2 TC  -9
STERLING*      CLEAR     17  10  74 N9        30.27  WCI   6 TC  -8
$$

ILZ003-004-008-010-011-017-018-040500-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLEAR     16   7  67 NW10      30.25R WCI   4 TC  -9
DE KALB*       CLOUDY    18  10  70 N16       30.21R WCI   4 TC  -8
PERU*          CLOUDY    22  14  71 NW10      30.24R WCI  11 TC  -5
$$

ILZ005-006-012>014-019>023-040500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTCLDY    20   9  62 NW16      30.19R WCI   6 TC  -7
CHICAGO-MIDWAY MOCLDY    23  14  68 NW18G28   30.20R WCI   9 TC  -5
AURORA         CLOUDY    22  14  71 N15       30.20R WCI   9 TC  -6
JOLIET*        CLOUDY    27  18  68 NW6       30.21R WCI  21 TC  -3
WAUKEGAN       CLEAR     17   7  64 NW9G18    30.19R WCI   6 TC  -8
DUPAGE AIRPORT CLOUDY    21  12  68 N18       30.20R WCI   6 TC  -6
WHEELING       CLEAR     19   9  65 N12G23    30.22R WCI   7 TC  -7
MORRIS*        CLOUDY    26  19  77 N7G16     30.20R WCI  18 TC  -4
ROMEOVILLE*    CLOUDY    25  16  68 NW15      30.20R WCI  12 TC  -4
LANSING*       CLOUDY    26  16  65 NW12G17   30.19R WCI  15 TC  -3
NORTHERLY ISL*   N/A     24  14  65 NW16        N/A  WCI  11 TC  -4
$$

LMZ740>746-040500-
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           29 44  320/ 19/ 25 1021.6R
HARRISON CRIB              25     320/ 21/ 24   N/A
NORTHERLY ISL              26     330/  8/ 18   N/A
CALUMET HARBOR             26     300/  9/ 15 1021.4R
BURNS HARBOR               30     330/ 10/ 15 1021.7R
MICHIGAN CITY              29     320/  8/  9 1021.0R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-040500-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         PTCLDY    19  14  81 N15       30.28S WCI   5 TC  -7
GALESBURG*     CLEAR     16  15  93 NW8         N/A  WCI   6 TC  -9
MACOMB*        PTCLDY    16  12  84 NW12      30.31R WCI   3 TC  -9
JACKSONVILLE*  CLOUDY    26  19  76 N15       30.26R WCI  13 TC  -4
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-040500-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    26  18  73 NW16      30.21R WCI  13 TC  -3
BLOOMINGTON    CLOUDY    26  23  88 NW13      30.21R WCI  15 TC  -3
DECATUR        CLOUDY    30  24  78 NW15      30.20R WCI  19 TC  -1
PEORIA         MOCLDY    22  14  71 N7G18     30.25R WCI  13 TC  -6
LACON*         CLOUDY    23  16  74 NW8       30.24R WCI  14 TC  -5
LINCOLN*       CLOUDY    28  19  69 NW8       30.24R WCI  19 TC  -2
SPRINGFIELD    MOCLDY    25  19  78 N15G23    30.24R WCI  13 TC  -4
TAYLORVILLE    CLOUDY    30  26  84 N16       30.23R WCI  19 TC  -1
$$

ILZ033-039-045-046-055>057-062-063-040500-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    30  28  92 NW16G23   30.18R FOG     WCI  19
RANTOUL*       CLOUDY    28  27  94 N15G23    30.18R FOG     WCI  17
MATTOON        CLOUDY    30  28  92 W6        30.18R WCI  24 TC  -1
PARIS*         CLOUDY    29  27  90 SW9       30.19R FOG     WCI  21
$$

ILZ079-100>102-040500-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    34  30  86 N12       30.23R WCI  25 TC   1
BELLEVILLE     MOCLDY    33  30  90 CALM      30.20R TC   1
CAHOKIA*       CLOUDY    35  30  82 N8        30.21R WCI  29 TC   2
SPARTA*        CLOUDY    31  29  93 CALM      30.23R TC   0
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-040500-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    30  27  88 W3        30.21R TC  -1
CAIRO*         MOCLDY    29  28  95 CALM      30.21S TC  -1
EFFINGHAM*     CLOUDY    31  30  94 CALM      30.22R TC   0
MT. VERNON     CLOUDY   N/A N/A N/A CALM      30.21R
SALEM*         CLOUDY    33  30  89 CALM      30.20R TC   0
METROPOLIS*    CLEAR     28  27  97 CALM      30.20F TC  -2
$$

ILZ067-068-072-073-078-083-087-091-040500-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    29  26  89 S5        30.21R WCI  24 TC  -2
FLORA*         CLOUDY    30  30 100 CALM      30.22R FOG     TC  -1
FAIRFIELD*     MOCLDY    31  27  88 CALM      30.21R TC  -1
HARRISBURG*    CLOUDY    30  27  86 W3        30.22R TC  -1
ROBINSON*      CLOUDY    30  28  93 SW3       30.20R FOG     TC  -1
$$

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