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

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251
ASUS43 KLOT 060801
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CST SAT DEC 06 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.

ILZ001-002-007-009-015-016-024-060900-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    33  28  81 NW10      29.83S WCI  25 TC   1
STERLING*      MOCLDY    31  29  92 W9        29.83R WCI  23 TC  -1
$$

ILZ003-004-008-010-011-017-018-060900-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    28  24  85 W6        29.80R WCI  22 TC  -2
DE KALB*       PTCLDY    28  25  88 W9        29.79R WCI  19 TC  -2
PERU*          CLOUDY    32  28  85 W10       29.81R WCI  24 TC   0
$$

ILZ005-006-012>014-019>023-060900-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    28  21  75 W8        29.77R WCI  20 TC  -2
CHICAGO-MIDWAY CLOUDY    30  23  75 W7        29.78S WCI  23 TC  -1
AURORA         CLOUDY    25  23  92 W10       29.78R FOG     WCI  15
JOLIET*        CLOUDY    32  26  77 W5        29.81R WCI  27 TC   0
WAUKEGAN       MOCLDY    28  22  78 W8        29.76R WCI  20 TC  -2
DUPAGE AIRPORT MOCLDY    27  23  85 W7        29.77S WCI  19 TC  -3
WHEELING       CLOUDY    29  23  78 W6        29.78S WCI  23 TC  -2
MORRIS*        CLOUDY    29  27  90 W7        29.79R WCI  22 TC  -1
ROMEOVILLE*    CLOUDY    30  25  80 SW7       29.80R WCI  23 TC  -1
LANSING*       CLOUDY    31  20  65 W6        29.80R WCI  25 TC  -1
NORTHERLY ISL*   N/A     31  23  72 W9          N/A  WCI  23 TC   0
$$

LMZ740>746-060900-
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 44  280/ 16/ 19 1007.8R
HARRISON CRIB              31     270/ 14/ 16   N/A
NORTHERLY ISL              31     260/  5/ 13   N/A
CALUMET HARBOR             30     210/  4/  7 1008.0F
BURNS HARBOR               32     240/  7/  8 1009.1F
MICHIGAN CITY              33     240/ 17/ 19 1008.3F
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-060900-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    35  30  82 W9        29.86S WCI  28 TC   2
GALESBURG*     CLOUDY    33  33 100 NW10G17   29.84S WCI  25 TC   1
MACOMB*        CLOUDY    32  30  93 W7        29.87S WCI  26 TC   0
JACKSONVILLE*  CLOUDY    34  28  80 W6        29.87S WCI  29 TC   1
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-060900-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        MOCLDY    30  25  80 W10       29.81S WCI  21 TC  -1
BLOOMINGTON    CLOUDY    29  24  82 W8        29.83R WCI  21 TC  -2
DECATUR        CLOUDY    31  24  75 SW9       29.86R WCI  23 TC  -1
PEORIA         CLOUDY    27  22  81 SW3       29.84R TC  -3
LINCOLN*       PTCLDY    32  24  71 CALM      29.85S TC   0
SPRINGFIELD    CLOUDY    32  28  85 W9        29.86S WCI  24 TC   0
TAYLORVILLE    CLOUDY    35  28  76 W9        29.87S WCI  27 TC   2
$$

ILZ033-039-045-046-055>057-062-063-060900-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    29  23  78 SW14      29.84S WCI  18 TC  -2
RANTOUL*       CLOUDY    27  21  80 SW9       29.83S WCI  17 TC  -3
MATTOON        MOCLDY    30  23  75 SW9       29.86R WCI  22 TC  -1
PARIS*         MOCLDY    29  21  72 SW14      29.86S WCI  19 TC  -1
$$

ILZ079-100>102-060900-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          MOCLDY    32  27  81 W6        29.91R WCI  26 TC   0
BELLEVILLE     MOCLDY    32  26  76 W5        29.90S WCI  28 TC   0
CAHOKIA*       MOCLDY    36  28  73 SW5       29.92  WCI  32 TC   2
SPARTA*        MOCLDY    32  24  73 SW6       29.94R WCI  27 TC   0
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-060900-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    31  27  85 S5        29.95S WCI  26 TC  -1
CAIRO*         CLEAR     31  29  95 CALM      30.00S TC  -1
EFFINGHAM*     MOCLDY    32  25  77 S6        29.91S WCI  26 TC   0
MT. VERNON     MOCLDY   N/A N/A N/A SW7       29.93S
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         MOCLDY    34  26  72 SW7       29.91R WCI  28 TC   1
METROPOLIS*    CLEAR     29  29  96 CALM      29.99S FOG     TC  -1
$$

ILZ067-068-072-073-078-083-087-091-060900-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  MOCLDY    31  24  75 SW12      29.92S WCI  22 TC  -1
FLORA*         MOCLDY    32  25  74 SW10      29.91S WCI  24 TC   0
FAIRFIELD*     MOCLDY    32  26  77 S6        29.93S WCI  26 TC   0
HARRISBURG*    CLOUDY    31  26  81 SW5       29.96S WCI  26 TC  -1
ROBINSON*      MOCLDY    30  25  80 SW8       29.90S WCI  23 TC  -1
$$

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