Regional Weather Roundup
Issued by NWS

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543
ASUS43 KLOT 101806
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CST WED DEC 10 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.

ILZ001-002-007-009-015-016-024-101900-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    30  21  69 N20G37    29.81R WCI  17 TC  -1
6HR MIN TEMP:  30; 6HR MAX TEMP:  36; 6HR PCP: TRACE;

STERLING*      MOSUNNY   30  24  78 NW17G25   29.77R WCI  18 TC  -1
SAVANNA*       CLOUDY    30  19  63 N14G25    29.80R WCI  20 TC  -1
$$

ILZ003-004-008-010-011-017-018-101900-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTSUNNY   29  22  75 NW18G26   29.74R WCI  16 TC  -2
6HR MIN TEMP:  28; 6HR MAX TEMP:  35; 6HR PCP:  0.02;

FREEPORT*      CLOUDY    30  22  73 NW20G25   29.76R WCI  17 TC  -1
DE KALB*         N/A     28  23  80 N18G29    29.69R WCI  16 TC  -2
PERU*          CLOUDY    32  25  77 NW20G30   29.73R WCI  20 TC   0
$$

ILZ005-006-012>014-019>023-101900-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    31  24  75 NW14G28   29.62R WCI  21 TC  -1
6HR MIN TEMP:  30; 6HR MAX TEMP:  37; 6HR PCP:  0.03;

CHICAGO-MIDWAY CLOUDY    32  26  78 N22G33    29.62R WCI  19 TC   0
6HR MIN TEMP:  31; 6HR MAX TEMP:  37; 6HR PCP: TRACE;

AURORA         PTSUNNY   29  24  82 N26G38    29.66R WCI  14 TC  -2
6HR MIN TEMP:  28; 6HR MAX TEMP:  35; 6HR PCP: TRACE;

JOLIET*        CLOUDY    33  27  80 NW13G21   29.66R WCI  24 TC   1
WAUKEGAN       CLOUDY    31  23  72 N16G25    29.63R WCI  20 TC  -1
6HR MIN TEMP:  30; 6HR MAX TEMP:  35; 6HR PCP:  0.01;

DUPAGE AIRPORT CLOUDY    30  23  75 NW24G38   29.65R WCI  16 TC  -1
6HR MIN TEMP:  29; 6HR MAX TEMP:  36;

WHEELING       CLOUDY    31  25  78 N18G31    29.64R WCI  19 TC  -1
6HR MIN TEMP:  30; 6HR MAX TEMP:  37; 6HR PCP:  0.01;

MORRIS*        CLOUDY    31  27  83 N14G22    29.66R WCI  21 TC   0
ROMEOVILLE*    CLOUDY    32  28  86 NW14      29.64R WCI  22 TC   0
LANSING*       CLOUDY    32  26  79 NW18      29.60R WCI  20 TC   0
NORTHERLY ISL*   N/A     32  26  79 W15         N/A  WCI  22 TC   0
$$

LMZ740>746-101900-
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              32     320/ 30/ 32   N/A
NORTHERLY ISL              32     320/ 13/ 21   N/A
CALUMET HARBOR             32     300/ 10/ 19 1001.5R
BURNS HARBOR               36     350/ 17/ 20 1001.4R
MICHIGAN CITY              36     340/ 38/ 40  999.5R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-101900-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    31  25  78 NW22G39   29.86R WCI  18 TC  -1
GALESBURG*     CLOUDY    30  29  96 NW20      29.82R WCI  17 TC  -1
MACOMB*        CLOUDY    32  27  83 NW29G35   29.84R WCI  18 TC   0
JACKSONVILLE*  CLOUDY    33  26  78 NW21G30   29.81R WCI  20 TC   0
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-101900-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    31  27  84 NW24G32   29.69R WCI  17 TC  -1
BLOOMINGTON    FLURRIES  31  28  89 NW24G36   29.70R WCI  17 TC  -1
DECATUR        CLOUDY    34  30  85 NW23G35   29.70R WCI  22 TC   1
PEORIA         LGT SNOW  31  27  85 NW10G25   29.77R FOG     WCI  22
6HR MIN TEMP:  31; 6HR MAX TEMP:  39; 6HR PCP:  0.01;

LACON*         CLOUDY    30  23  74 N15G24    29.76R WCI  19 TC  -1
LINCOLN*       CLOUDY    35  27  71 N8G18     29.74R WCI  29 TC   2
SPRINGFIELD    CLOUDY    33  29  85 W24G35    29.75R WCI  20 TC   1
6HR MIN TEMP:  33; 6HR MAX TEMP:  41; 6HR PCP: TRACE;

TAYLORVILLE    CLOUDY    33  29  85 W25G31    29.75R WCI  20 TC   1
6HR MIN TEMP:  33; 6HR MAX TEMP:  41; 6HR PCP:  0.03;

$$

ILZ033-039-045-046-055>057-062-063-101900-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    33  30  88 NW18G29   29.65R WCI  22 TC   1
RANTOUL*       LGT RAIN  32  30  91 NW17G26   29.64R WCI  21 TC   0
MATTOON        CLOUDY    34  30  85 W29G38    29.67R WCI  20 TC   1
PARIS*         FLURRIES  34  31  90 W25       29.64R WCI  21 TC   1
$$

ILZ079-100>102-101900-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    36  27  69 NW29G40   29.82R WCI  23 TC   2
BELLEVILLE     CLOUDY    40  27  60 NW20G30   29.80R TC   4
CAHOKIA*       CLOUDY    38  25  59 NW30G44   29.83R WCI  26 TC   3
SPARTA*        CLOUDY    41  27  58 NW17G30   29.81R TC   5
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-101900-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    43  29  57 NW22G38   29.78R TC   6
6HR MIN TEMP:  42; 6HR MAX TEMP:  48; 6HR PCP: TRACE;

CAIRO*         CLOUDY    51  35  53 NW14G25   29.77R TC  11
EFFINGHAM*     CLOUDY    35  30  82 W24G30    29.73R WCI  23 TC   2
MARION         PTSUNNY   45  28  53 NW22G31   29.77R TC   7
MT. VERNON     CLOUDY   N/A N/A N/A W9G17     29.77R
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    38  29  72 NW21G37   29.76R WCI  27 TC   3
METROPOLIS*    CLOUDY    49  29  46 NW16G28   29.76R TC   9
$$

ILZ067-068-072-073-078-083-087-091-101900-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  LGT RAIN  38  34  85 NW23G32   29.68R WCI  27 TC   3
FLORA*         CLOUDY    37  32  81 NW24G36   29.74R WCI  26 TC   3
FAIRFIELD*     LGT RAIN  38  33  81 W9G23     29.73R WCI  32 TC   4
HARRISBURG*    CLOUDY    45  28  51 NW25G38   29.75R TC   7
ROBINSON*      CLOUDY    39  36  87 NW31G37   29.66S WCI  27 TC   4
$$

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