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

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359
ASUS43 KLOT 151110
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CST SAT NOV 15 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.

ILZ001-002-007-009-015-016-024-151200-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    62  56  80 SW14G24   29.58F TC  17
STERLING*      CLOUDY    58  57  97 SW8       29.59F TC  14
$$

ILZ003-004-008-010-011-017-018-151200-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    58  55  90 S10       29.57F TC  14
DE KALB*       MOCLDY    55  55  99 S15       29.59F TC  13
PERU*          CLOUDY    60  56  85 SW13      29.62F TC  16
$$

ILZ005-006-012>014-019>023-151200-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    61  55  81 SW21G29   29.58F TC  16
CHICAGO-MIDWAY CLOUDY    61  55  81 SW16      29.61F TC  16
AURORA         CLOUDY    58  55  90 S15       29.60F TC  14
JOLIET*        CLOUDY    60  57  88 S8        29.64F TC  16
WAUKEGAN       CLOUDY    60  55  83 SW15      29.54F TC  16
DUPAGE AIRPORT CLOUDY    58  54  86 S12       29.59F TC  14
WHEELING       CLOUDY    61  55  81 SW15G24   29.58F TC  16
MORRIS*        CLOUDY    60  57  88 SW15      29.63F TC  16
ROMEOVILLE*    CLOUDY    59  55  88 S16       29.63F TC  15
LANSING*       CLOUDY    57  52  81 SW9       29.65F TC  14
NORTHERLY ISL*   N/A     61  53  75 S12         N/A  TC  16
$$

LMZ740>746-151200-
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           54 51  180/ 16/ 19 1001.0F         3/ 4
WINTHROP HARBOR            60 50  220/ 14/ 19   N/A           1/ 3
WAUKEGAN HARBOR            58 47                N/A           1/ 3
HARRISON CRIB              63     220/ 30/ 32   N/A
NORTHERLY ISL              60     190/  7/  9   N/A
CALUMET HARBOR             61     200/ 11/ 16 1002.6
BURNS HARBOR               61     200/ 10/ 13 1004.4F
MICHIGAN CITY              62     180/ 16/ 19 1002.6F
ST. JOSEPH BUOY            56 52  150/ 14/ 17 1003.9F         2/ 3
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-151200-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         PTCLDY    61  57  87 SW9       29.70F TC  16
GALESBURG*     PTCLDY    58  58 100 SW12      29.65F TC  15
MACOMB*        CLEAR     61  58  88 SW16      29.69F TC  16
JACKSONVILLE*  PTCLDY    61  55  82 SW9       29.72F TC  16
PITTSFIELD*    PTCLDY    65  58  79 SW13      29.73S TC  18
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-151200-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        MOCLDY    59  55  86 S12       29.68F TC  15
BLOOMINGTON    PTCLDY    60  57  89 SW20      29.70F TC  16
DECATUR        MOCLDY    61  56  83 SW15      29.74F TC  16
PEORIA         CLEAR     56  54  93 S9        29.68F TC  13
LACON*         MOCLDY    60  53  79 SW9       29.64F TC  16
LINCOLN*       PTCLDY    60  57  88 S5        29.72F TC  16
SPRINGFIELD    PTCLDY    60  56  86 S12       29.71F TC  16
TAYLORVILLE    MOCLDY    61  55  82 MISG      29.75S TC  16
$$

ILZ033-039-045-046-055>057-062-063-151200-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      PTCLDY    58  56  93 S14       29.74F TC  14
RANTOUL*       PTCLDY    61  55  82 SW13G18   29.73F TC  16
MATTOON        MOCLDY    61  56  83 S10       29.77F TC  16
PARIS*         PTCLDY    60  55  82 SW14      29.77F TC  16
$$

ILZ079-100>102-151200-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          PTCLDY    62  57  82 S10       29.77F TC  17
BELLEVILLE     MOCLDY    62  58  84 SW9       29.77F TC  17
CAHOKIA*       PTCLDY    59  56  89 S6        29.78F TC  15
SPARTA*        MOCLDY    61  57  87 S12G17    29.83F TC  16
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151200-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOCLDY    63  56  78 S10       29.85F TC  17
CAIRO*         PTCLDY    62  56  81 S7        29.90F TC  17
EFFINGHAM*     MOCLDY    63  58  85 S8        29.80F TC  17
MT. VERNON     MOCLDY   N/A N/A N/A SW10      29.83F
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         MOCLDY    67  57  71 SW14      29.80F TC  19
METROPOLIS*    MOCLDY    61  53  76 CALM      29.91S TC  16
$$

ILZ067-068-072-073-078-083-087-091-151200-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  MOCLDY    58  54  86 S7        29.83S TC  14
FLORA*         MOCLDY    59  55  88 S10       29.82F TC  15
FAIRFIELD*     MOCLDY    58  54  86 S5        29.83F TC  14
HARRISBURG*    MOCLDY    60  54  79 SW8       29.86F TC  16
ROBINSON*      MOCLDY    61  57  88 SW12      29.80F TC  16
$$

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