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 
767
ASUS43 KLOT 091301
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CST TUE DEC 09 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.

ILZ001-002-007-009-015-016-024-091400-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     28  24  85 SW8       29.79F WCI  20 TC  -2
STERLING*      CLEAR     23  21  92 SW9       29.79F WCI  13 TC  -5
$$

ILZ003-004-008-010-011-017-018-091400-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       MOCLDY    22  19  89 S8        29.78F WCI  12 TC  -6
FREEPORT*      PTCLDY    24  21  89 SW17      29.76F WCI  11 TC  -4
DE KALB*       CLEAR     20  17  91 CALM      29.78F TC  -7
PERU*          CLEAR     31  25  79 SW17G24   29.81F WCI  19 TC  -1
$$

ILZ005-006-012>014-019>023-091400-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    27  20  75 SW14G28   29.77F WCI  16 TC  -3
CHICAGO-MIDWAY PTCLDY    26  20  77 SW15      29.80F WCI  14 TC  -3
AURORA         CLEAR     22  19  89 S10       29.79F WCI  11 TC  -6
JOLIET*        CLEAR     28  23  81 SW8       29.83F WCI  20 TC  -2
WAUKEGAN       CLOUDY    27  22  81 SW18      29.74F WCI  14 TC  -3
DUPAGE AIRPORT MOCLDY    24  20  84 S13       29.78F WCI  12 TC  -4
WHEELING       CLOUDY    27  21  78 SW13G25   29.79F WCI  16 TC  -3
MORRIS*        CLEAR     27  24  87 SW16      29.82F WCI  14 TC  -3
ROMEOVILLE*    CLEAR     25  21  86 S14       29.83F WCI  13 TC  -4
LANSING*       CLEAR     26  17  70 SW18      29.84F WCI  12 TC  -3
NORTHERLY ISL*   N/A     27  20  75 S13         N/A  WCI  16 TC  -3
$$

LMZ740>746-091400-
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              28     210/ 26/ 29   N/A
NORTHERLY ISL              26     200/ 12/ 16   N/A
CALUMET HARBOR             27     190/ 14/ 19 1009.6
BURNS HARBOR               28     200/ 10/ 15 1010.8F
MICHIGAN CITY              27     190/ 18/ 25 1010.8F
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-091400-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLEAR     33  29  85 SW13      29.88F WCI  24 TC   1
GALESBURG*     CLEAR     25  25 100 S7        29.84F WCI  17 TC  -4
MACOMB*        CLEAR     32  28  87 SW9       29.87F WCI  24 TC   0
JACKSONVILLE*  CLEAR     32  26  78 S10       29.91F WCI  23 TC   0
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-091400-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLEAR     30  24  77 SW17      29.86F WCI  18 TC  -1
BLOOMINGTON    CLEAR     28  25  88 SW18      29.87F WCI  15 TC  -2
DECATUR        MOCLDY    31  25  78 SW18G26   29.94F WCI  19 TC  -1
PEORIA         CLEAR     26  22  84 SW8       29.87F WCI  18 TC  -3
LINCOLN*       CLEAR     32  23  70 S6        29.91F WCI  26 TC   0
SPRINGFIELD    PTCLDY    32  25  75 S10       29.92F WCI  24 TC   0
TAYLORVILLE    MOCLDY    32  26  80 S20       29.95F WCI  20 TC   0
$$

ILZ033-039-045-046-055>057-062-063-091400-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      PTCLDY    28  23  81 S20       29.92F WCI  15 TC  -2
RANTOUL*       PTCLDY    28  23  81 S13       29.91F WCI  17 TC  -2
MATTOON        MOCLDY    29  23  78 S13       29.96F WCI  19 TC  -2
PARIS*         CLOUDY    29  23  76 S16       29.98F WCI  18 TC  -1
$$

ILZ079-100>102-091400-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     30  27  86 S9        29.98F WCI  22 TC  -1
BELLEVILLE     CLOUDY    35  27  72 SW8       29.98F WCI  29 TC   2
CAHOKIA*       CLOUDY    37  27  67 S8        29.99F WCI  31 TC   3
SPARTA*        MOCLDY    33  28  82 S13       30.03F WCI  24 TC   1
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-091400-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOCLDY    32  28  85 S12       30.08S WCI  23 TC   0
CAIRO*         MOCLDY    32  30  92 S6        30.14F WCI  26 TC   0
EFFINGHAM*     MOCLDY    31  24  76 S6        30.02F WCI  26 TC   0
MARION         CLOUDY    34  28  80 S14       30.08  WCI  24 TC   1
MT. VERNON     MOCLDY   N/A N/A N/A S13       30.05F
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         MOCLDY    34  26  72 S13       30.01F WCI  25 TC   1
METROPOLIS*    MOCLDY    31  27  84 CALM      30.14F TC   0
$$

ILZ067-068-072-073-078-083-087-091-091400-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  MOCLDY    30  24  78 S13       30.06F WCI  20 TC  -1
FLORA*         MOCLDY    32  27  80 S14       30.04F WCI  22 TC   0
FAIRFIELD*     MOCLDY    31  26  81 S7        30.07F WCI  24 TC   0
HARRISBURG*    MOCLDY    32  27  82 S9        30.10F WCI  24 TC   0
ROBINSON*      MOCLDY    30  25  80 S13       30.03F WCI  20 TC  -1
$$

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