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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 
611
ASUS43 KLOT 111606
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CST THU DEC 11 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.

ILZ001-002-007-009-015-016-024-111700-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    24  17  74 W3        30.04S TC  -4
STERLING*      CLOUDY    26  18  71 CALM      30.05R TC  -3
SAVANNA*       CLOUDY    25  16  69 E3        30.05S TC  -4
$$

ILZ003-004-008-010-011-017-018-111700-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    23  15  71 W3        30.05R TC  -5
FREEPORT*      CLOUDY    23  16  74 CALM      30.05R TC  -5
DE KALB*       CLOUDY    23  15  72 CALM      30.03R TC  -5
PERU*          CLOUDY    26  20  80 W6        30.05R WCI  19 TC  -3
$$

ILZ005-006-012>014-019>023-111700-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    24  13  62 W7        30.03R WCI  16 TC  -4
CHICAGO-MIDWAY CLOUDY    26  15  63 W7        30.04R WCI  18 TC  -3
AURORA         CLOUDY    25  16  68 NW3       30.03R TC  -4
JOLIET*        CLOUDY    28  16  61 CALM      30.05R TC  -2
WAUKEGAN       PTSUNNY   20  11  68 W6        30.03R WCI  12 TC  -7
DUPAGE AIRPORT CLOUDY    24  15  68 W5        30.03R WCI  18 TC  -4
WHEELING       CLOUDY    23  14  68 VRB6      30.05R WCI  16 TC  -5
MORRIS*        CLOUDY    26  19  75 NW6       30.04R WCI  20 TC  -3
ROMEOVILLE*    CLOUDY    27  16  63 W9        30.05R WCI  17 TC  -3
LANSING*       CLOUDY    27  12  53 W5        30.03R WCI  22 TC  -3
NORTHERLY ISL*   N/A     26  16  65 W5          N/A  WCI  21 TC  -3
$$

LMZ740>746-111700-
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              25     320/  8/ 10   N/A
NORTHERLY ISL              25     230/  4/  8   N/A
CALUMET HARBOR             26                   N/A
BURNS HARBOR               27     300/  4/  5 1017.3R
MICHIGAN CITY              26     280/ 11/ 13 1016.8R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-111700-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    26  17  68 CALM      30.04S TC  -3
GALESBURG*     CLOUDY    24  21  89 CALM      30.05S TC  -4
MACOMB*        CLOUDY    25  17  73 CALM      30.07S TC  -4
JACKSONVILLE*  CLOUDY    26  17  66 CALM      30.06F TC  -3
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-111700-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    26  22  82 W6        30.05R WCI  20 TC  -3
BLOOMINGTON    FLURRIES  26  22  84 SW6       30.05R WCI  19 TC  -3
DECATUR        CLOUDY    27  21  78 NW6       30.05S WCI  20 TC  -3
PEORIA         CLOUDY    25  19  78 W3        30.05S TC  -4
LINCOLN*       CLOUDY    28  18  66 W3        30.06F TC  -2
SPRINGFIELD    NOT AVBL
TAYLORVILLE    CLOUDY    28  20  72 W3        30.06F TC  -2
$$

ILZ033-039-045-046-055>057-062-063-111700-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    27  22  81 W8        30.05R WCI  19 TC  -3
DANVILLE*      CLOUDY    29  24  83 W6        30.06  WCI  22 TC  -2
RANTOUL*       MIX PCPN  27  23  85 W6        30.05R WCI  20 TC  -3
MATTOON        CLOUDY    27  23  85 W6        30.05R WCI  20 TC  -3
PARIS*         CLOUDY    28  25  89 W7        30.07R WCI  21 TC  -2
$$

ILZ079-100>102-111700-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    30  19  64 CALM      30.07R TC  -1
BELLEVILLE     CLOUDY    33  25  70 SW5       30.05R WCI  29 TC   1
CAHOKIA*       CLOUDY    32  23  69 SW5       30.06R WCI  27 TC   0
SPARTA*        CLOUDY    32  25  75 SW5       30.08S WCI  27 TC   0
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-111700-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    33  25  72 VRB3      30.08S TC   1
CAIRO*         CLOUDY    35  29  80 CALM      30.11S TC   2
EFFINGHAM*     CLOUDY    30  19  63 W6        30.09S WCI  24 TC  -1
MARION         PTSUNNY   36  25  64 SW5       30.08S WCI  32 TC   2
MT. VERNON     MOSUNNY  N/A N/A N/A SW7       30.07F
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         PTSUNNY   33  21  61 W6        30.06F WCI  28 TC   1
METROPOLIS*    PTSUNNY   33  26  75 CALM      30.11R TC   1
$$

ILZ067-068-072-073-078-083-087-091-111700-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    31  24  75 W7        30.08R WCI  24 TC  -1
FLORA*         CLOUDY    32  23  69 NW6       30.09R WCI  26 TC   0
FAIRFIELD*     PTSUNNY   33  21  61 W3        30.08S TC   0
HARRISBURG*    MOSUNNY   35  23  60 NW3       30.09R TC   2
ROBINSON*      CLOUDY    30  25  80 NW7       30.07S WCI  23 TC  -1
$$

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