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

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475
ASUS43 KLOT 010706
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CST MON DEC 01 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.

ILZ001-002-007-009-015-016-024-010800-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    21  17  84 W6        30.48R WCI  13 TC  -6
STERLING*      FOG       13  12  96 CALM      30.47S VSB 3/4 TC -11
$$

ILZ003-004-008-010-011-017-018-010800-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTCLDY    13  12  96 CALM      30.46F TC -11
DE KALB*       PTCLDY    18  17  95 CALM      30.45S TC  -8
PERU*          MOCLDY    21  18  87 CALM      30.47S TC  -6
$$

ILZ005-006-012>014-019>023-010800-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    18  15  88 W3        30.44F TC  -8
CHICAGO-MIDWAY MOCLDY    21  17  84 W7        30.45F WCI  12 TC  -6
AURORA         FOG        3   3 100 CALM      30.45F VSB<1/4 TC -16
JOLIET*        PTCLDY    12  10  90 CALM      30.48S TC -11
WAUKEGAN       PTCLDY    17  14  88 W5        30.44S WCI  10 TC  -8
DUPAGE AIRPORT PTCLDY    10   9  95 S3        30.45S FOG     TC -12
WHEELING       PTCLDY    14  14 100 CALM      30.46F TC -10
MORRIS*        MOCLDY    16  15  97 CALM      30.46F TC  -9
ROMEOVILLE*    PTCLDY    16  16 100 CALM      30.47S FOG     TC  -9
LANSING*       PTCLDY    16  12  83 W3        30.46S TC  -9
NORTHERLY ISL*   N/A     28  19  69 W5          N/A  WCI  23 TC  -2
$$

LMZ740>746-010800-
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           33 46  290/  4/  8 1031.3R         4/ 8
HARRISON CRIB              29     300/  9/ 10   N/A
NORTHERLY ISL              27     290/  6/  6   N/A
CALUMET HARBOR             23     260/  2/  4 1030.4F
BURNS HARBOR               30     150/  4/  7 1031.2R
MICHIGAN CITY              30     150/  8/  9 1031.3R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-010800-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    22  18  85 E5        30.48F WCI  16 TC  -6
GALESBURG*     CLOUDY    23  23 100 CALM        N/A  TC  -5
MACOMB*        CLOUDY    23  20  89 SW5       30.51F WCI  16 TC  -5
JACKSONVILLE*  CLOUDY    21  17  82 CALM      30.49F TC  -6
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-010800-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        MOCLDY    18  15  91 CALM      30.47S FOG     TC  -8
BLOOMINGTON    MOCLDY    17  15  92 NW6       30.46S WCI   9 TC  -8
DECATUR        PTCLDY    16  15  96 SW3       30.48S TC  -9
PEORIA         MOCLDY    22  19  89 W3        30.48F TC  -6
LACON*         MOCLDY    19  16  88 CALM      30.48R TC  -7
LINCOLN*       MOCLDY    20  18  93 CALM      30.50R TC  -7
SPRINGFIELD    MOCLDY    15  13  91 SW3       30.50R TC  -9
TAYLORVILLE    CLOUDY    19  17  93 CALM      30.49F TC  -7
$$

ILZ033-039-045-046-055>057-062-063-010800-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      FOG       11  11 100 NW6       30.46S VSB 3/4 WCI   1
RANTOUL*       PTCLDY    14  12  91 CALM      30.47S TC -10
MATTOON        MOCLDY    19  18  95 CALM      30.47S TC  -7
PARIS*         FOG       12  10  91 W3        30.48F VSB 3/4 TC -11
$$

ILZ079-100>102-010800-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    23  17  77 CALM      30.50S TC  -5
BELLEVILLE     CLOUDY    24  18  79 CALM      30.49  TC  -5
CAHOKIA*       CLOUDY    23  17  78 CALM      30.51S TC  -5
SPARTA*        CLOUDY    23  19  83 CALM      30.50S TC  -5
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010800-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    25  19  78 NE7       30.49F WCI  17 TC  -4
CAIRO*         CLOUDY    27  21  79 NE8       30.47F WCI  19 TC  -3
EFFINGHAM*     MOCLDY    23  20  89 NW5       30.50F WCI  17 TC  -5
MT. VERNON     CLOUDY   N/A N/A N/A NE6       30.48F
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    25  20  80 CALM      30.48F TC  -4
METROPOLIS*    CLOUDY    26  18  71 NE6       30.48F WCI  20 TC  -3
$$

ILZ067-068-072-073-078-083-087-091-010800-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    25  20  81 CALM      30.50S TC  -4
FLORA*         CLOUDY    25  19  80 NW5       30.49F WCI  19 TC  -4
FAIRFIELD*     CLOUDY    25  19  78 N3        30.49F TC  -4
HARRISBURG*    CLOUDY    26  19  76 E6        30.49F WCI  19 TC  -3
ROBINSON*      CLOUDY    25  21  86 N2        30.49F TC  -4
$$

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