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

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585
ASUS43 KLOT 021110
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CST TUE DEC 02 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.

ILZ001-002-007-009-015-016-024-021200-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    18  16  92 NW8       30.02S FOG     WCI   8
STERLING*      CLOUDY    16  15  96 NW5       30.02S FOG     WCI   9
$$

ILZ003-004-008-010-011-017-018-021200-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    16  14  92 NW9       30.01R FOG     WCI   4
DE KALB*       FOG       15  14  95 CALM      29.98S VSB 1   TC  -9
PERU*          CLEAR     16  14  90 W7        30.01S FOG     WCI   6
$$

ILZ005-006-012>014-019>023-021200-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTCLDY    19  17  92 W5        29.96S WCI  12 TC  -7
CHICAGO-MIDWAY CLOUDY    22  19  89 NW8       29.98S FOG     WCI  12
AURORA         FOG        3   2  95 CALM      29.98S VSB<1/4 TC -16
JOLIET*        CLOUDY    20  19  95 CALM      30.01R FOG     TC  -7
WAUKEGAN       PTCLDY    19  17  92 NW8       29.96R WCI   9 TC  -7
DUPAGE AIRPORT FOG       14  14 100 CALM      29.97S VSB 1   TC -10
WHEELING       PTCLDY    20  18  92 CALM      29.99R TC  -7
MORRIS*        FOG       12  11  94 W5        29.99S VSB 1/4 WCI   4
ROMEOVILLE*    CLOUDY    19  18  93 NW8       29.99S FOG     WCI   9
LANSING*       CLOUDY    22  19  87 NW7       29.99S FOG     WCI  14
NORTHERLY ISL*   N/A     24  21  88 W5          N/A  WCI  18 TC  -4
$$

LMZ740>746-021200-
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 46  270/  8/ 12 1014.8R         2/ 4
HARRISON CRIB              25     310/ 11/ 12   N/A
NORTHERLY ISL              25     270/  3/ 11   N/A
CALUMET HARBOR             23     250/  2/  4 1014.7
BURNS HARBOR               26     210/  4/  6 1015.6S
MICHIGAN CITY              26     200/  8/  9 1015.2F
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-021200-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    19  18  95 W5        30.05S WCI  12 TC  -7
GALESBURG*     CLOUDY    19  19 100 W3          N/A  FOG     TC  -7
MACOMB*        CLOUDY    18  16  95 CALM      30.07R TC  -8
JACKSONVILLE*  CLOUDY    17  17  98 CALM      30.06F TC  -8
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-021200-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    20  18  91 NW9       30.01S WCI   9 TC  -7
BLOOMINGTON    LGT SNOW  19  17  92 NW15      30.02R FOG     WCI   5
DECATUR        CLOUDY    19  18  95 NW15      30.03S WCI   5 TC  -7
PEORIA         CLOUDY    18  16  92 W5        30.04R FOG     WCI  11
LACON*         CLOUDY    18  15  88 NW6       30.03S FOG     WCI  10
LINCOLN*       CLOUDY    19  17  92 NW3       30.06R FOG     TC  -7
SPRINGFIELD    CLOUDY    19  17  92 NW8       30.05S WCI   9 TC  -7
TAYLORVILLE    CLOUDY    20  18  91 NW7       30.06R WCI  11 TC  -6
$$

ILZ033-039-045-046-055>057-062-063-021200-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    21  18  88 NW14      30.00S VSB 1   WCI   8
RANTOUL*       CLOUDY    21  18  89 NW10      30.00S WCI  10 TC  -6
MATTOON        CLOUDY    21  19  92 NW17      30.01R WCI   7 TC  -6
PARIS*         CLOUDY    23  20  89 NW9       30.01R WCI  13 TC  -5
$$

ILZ079-100>102-021200-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    23  18  83 NW7       30.08R WCI  14 TC  -5
BELLEVILLE     CLOUDY    24  20  84 NW9       30.07R WCI  15 TC  -4
CAHOKIA*       CLOUDY    24  18  77 NW15      30.09R WCI  11 TC  -4
SPARTA*        CLOUDY    24  20  86 NW10G16   30.08S WCI  13 TC  -4
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-021200-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    26  21  81 NW13      30.07R WCI  15 TC  -3
CAIRO*         CLOUDY    30  26  83 NW12      30.07R WCI  21 TC  -1
EFFINGHAM*     CLOUDY    22  20  91 W8        30.05R WCI  13 TC  -5
MT. VERNON     CLOUDY   N/A N/A N/A CALM      30.06R
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    25  22  86 NW8       30.04S WCI  16 TC  -4
METROPOLIS*    CLOUDY    29  25  86 CALM      30.06R TC  -2
$$

ILZ067-068-072-073-078-083-087-091-021200-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    24  21  88 NW12      30.03R WCI  13 TC  -4
FLORA*         CLOUDY    23  19  86 NW7       30.05R WCI  15 TC  -5
FAIRFIELD*     CLOUDY    23  19  85 NW9       30.06R WCI  13 TC  -5
HARRISBURG*    CLOUDY    26  21  82 NW8       30.07R WCI  18 TC  -3
ROBINSON*      MOCLDY    21  19  93 NW6       30.02R WCI  14 TC  -6
$$

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