National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Regional Weather Roundup
Issued by NWS

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824
ASUS43 KLOT 040110
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.

ILZ001-002-007-009-015-016-024-040200-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         PTCLDY    23  15  71 NW14G23   30.21R WCI  11 TC  -5
STERLING*      CLOUDY    26  19  74 MISG        N/A  TC  -3
$$

ILZ003-004-008-010-011-017-018-040200-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    25  15  66 NW14      30.16R WCI  13 TC  -4
DE KALB*       CLOUDY    25  19  79 N13       30.14R WCI  14 TC  -4
PERU*          CLOUDY    29  23  77 NW12      30.15R WCI  20 TC  -1
$$

ILZ005-006-012>014-019>023-040200-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    27  21  78 NW14      30.11R WCI  16 TC  -3
CHICAGO-MIDWAY CLOUDY    29  24  82 N15       30.11R HAZE    WCI  18
AURORA         CLOUDY    26  22  84 N15       30.12R FOG     WCI  14
JOLIET*        CLOUDY    31  29  90 N10G20    30.13R FOG     WCI  22
WAUKEGAN       CLOUDY    25  16  68 NW12G20   30.11R WCI  14 TC  -4
DUPAGE AIRPORT CLOUDY    26  21  81 NW16      30.12R WCI  14 TC  -3
WHEELING       CLOUDY    27  20  75 N12       30.13R WCI  17 TC  -3
MORRIS*        CLOUDY    29  27  91 N8        30.13R WCI  21 TC  -2
ROMEOVILLE*    FLURRIES  28  27  93 NW7G14    30.12R WCI  21 TC  -2
LANSING*       CLOUDY    28  24  83 SW5       30.11R FOG     WCI  23
NORTHERLY ISL*   N/A     29  25  85 NW13        N/A  WCI  19 TC  -2
$$

LMZ740>746-040200-
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           31 44  310/ 19/ 25 1019.4R         4/ 5
HARRISON CRIB              30     330/ 19/ 21   N/A
NORTHERLY ISL              30     280/  3/  8   N/A
CALUMET HARBOR             29     250/  3/  5 1018.4R
BURNS HARBOR               30     230/  6/  8 1019.6R
MICHIGAN CITY              30     230/  5/  6 1018.9R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-040200-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    30  26  85 N15       30.20R FOG     WCI  19
GALESBURG*     MOCLDY    23  22  95 NW10      30.21R WCI  12 TC  -5
MACOMB*        CLOUDY    27  22  82 NW15      30.22R WCI  15 TC  -3
JACKSONVILLE*  CLOUDY    33  32  98 N16       30.17R WCI  22 TC   1
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-040200-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    31  29  94 W9        30.13R FOG     WCI  23
BLOOMINGTON    CLOUDY    30  28  92 W9        30.14R WCI  22 TC  -1
DECATUR        CLOUDY    30  27  88 SW9       30.16R WCI  22 TC  -1
PEORIA         CLOUDY    29  24  82 NW9G18    30.18R WCI  20 TC  -2
LACON*         CLOUDY    28  21  74 NW16G22   30.16R WCI  17 TC  -2
LINCOLN*       CLOUDY    33  28  83 NW3       30.16R TC   1
SPRINGFIELD    CLOUDY    32  28  85 W5        30.16R WCI  27 TC   0
TAYLORVILLE    CLOUDY    31  28  90 SW5       30.17R WCI  26 TC  -1
$$

ILZ033-039-045-046-055>057-062-063-040200-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    29  27  92 SW9       30.14R WCI  20 TC  -2
RANTOUL*       CLOUDY    30  27  91 W6        30.14R WCI  24 TC  -1
MATTOON        CLOUDY    29  26  89 S7        30.14R WCI  22 TC  -2
PARIS*         MOCLDY    27  24  87 S7        30.15S WCI  19 TC  -3
$$

ILZ079-100>102-040200-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    34  30  86 CALM      30.17R TC   1
BELLEVILLE     CLOUDY    35  31  83 CALM      30.16R TC   2
CAHOKIA*       MOCLDY    34  31  88 CALM      30.16R TC   1
SPARTA*        CLOUDY    32  29  89 S5        30.18R WCI  27 TC   0
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-040200-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    32  27  81 SW7       30.18S WCI  26 TC   0
CAIRO*         CLOUDY    32  29  88 CALM      30.20S TC   0
EFFINGHAM*     CLOUDY    32  29  89 S3        30.19R TC   0
MARION         PTCLDY    30  27  86 SW3       30.18R TC  -1
MT. VERNON     CLOUDY   N/A N/A N/A SW6       30.18R
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    34  29  82 SW5       30.17R WCI  30 TC   1
METROPOLIS*    CLOUDY    31  26  81 CALM      30.19F TC   0
$$

ILZ067-068-072-073-078-083-087-091-040200-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    30  27  88 S5        30.18R WCI  25 TC  -1
FLORA*         MOCLDY    32  28  86 CALM      30.18R TC   0
FAIRFIELD*     CLOUDY    32  28  83 S6        30.18R WCI  27 TC   0
HARRISBURG*    CLOUDY    31  26  80 SW6       30.20R WCI  26 TC   0
ROBINSON*      CLOUDY    30  28  93 S6        30.17R WCI  24 TC  -1
$$

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