Regional Weather Roundup
Issued by NWS

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270
ASUS43 KLOT 160301
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM 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.

ILZ001-002-007-009-015-016-024-160400-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     52  37  56 NW13G23   29.80R TC  11
STERLING*      CLEAR     53  37  54 NW14G20   29.77R TC  12
$$

ILZ003-004-008-010-011-017-018-160400-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       MOCLDY    53  36  52 W13       29.76R TC  12
DE KALB*       PTCLDY    51  38  60 NW14      29.74R TC  11
PERU*          CLEAR     53  39  57 NW15G24   29.75R TC  12
$$

ILZ005-006-012>014-019>023-160400-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    55  36  48 NW10G21   29.69R TC  13
CHICAGO-MIDWAY MOCLDY    57  38  48 NW13G23   29.69R TC  14
AURORA         CLEAR     50  39  66 NW12      29.72R TC  10
JOLIET*        CLEAR     57  38  50 NW7G17    29.71R TC  14
WAUKEGAN       PTCLDY    53  35  50 NW8       29.67R TC  12
DUPAGE AIRPORT PTCLDY    54  37  52 NW14      29.71R TC  12
WHEELING       PTCLDY    55  36  48 NW8       29.70R TC  13
MORRIS*        CLEAR     52  41  66 NW12      29.71R TC  11
ROMEOVILLE*    CLEAR     55  37  50 NW13G22   29.71R TC  13
LANSING*       CLEAR     56  35  43 NW9G18    29.68R TC  14
NORTHERLY ISL*   N/A     57  34  41 NW10        N/A  TC  14
$$

LMZ740>746-160400-
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  300/ 16/ 19 1003.9R
WINTHROP HARBOR            54 51  240/ 12/ 16   N/A           1/ 2
WAUKEGAN HARBOR            55 47                N/A           1/ 4
HARRISON CRIB              58     310/ 22/ 25   N/A
NORTHERLY ISL              58     320/ 10/ 19   N/A
CALUMET HARBOR             59     290/  9/ 18 1003.9
BURNS HARBOR               55     310/  9/ 11 1005.1R
MICHIGAN CITY              54     280/  8/  8 1003.0
ST. JOSEPH BUOY            54 52  310/ 14/ 21 1004.1R         2/ 4
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-160400-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLEAR     55  42  61 NW13      29.84R TC  13
GALESBURG*     CLEAR     52  43  71 NW10      29.82R TC  11
MACOMB*        CLEAR     53  40  62 NW17      29.84R TC  12
JACKSONVILLE*  CLEAR     54  41  61 NW7       29.82R TC  12
PITTSFIELD*    CLEAR     59  43  55 NW13      29.84R TC  15
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-160400-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLEAR     54  39  57 NW16G22   29.74R TC  12
BLOOMINGTON    CLEAR     56  40  55 NW14      29.77R TC  13
DECATUR        CLEAR     59  39  47 NW14      29.77R TC  15
PEORIA         CLEAR     56  38  50 NW10G18   29.78R TC  13
LACON*         CLEAR     55  37  51 NW10G18   29.76R TC  13
SPRINGFIELD    CLEAR     59  41  51 NW10      29.79R TC  15
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-160400-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLEAR     54  41  61 NW12      29.75R TC  12
MATTOON        CLEAR     58  43  57 NW13      29.73R TC  14
PARIS*         CLEAR     55  43  65 CALM      29.73R TC  13
$$

ILZ079-100>102-160400-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     64  45  48 N9        29.79R TC  18
BELLEVILLE     CLEAR     64  48  57 NW7       29.76R TC  18
CAHOKIA*       CLEAR     64  47  53 N8        29.78R TC  18
SPARTA*        CLEAR     64  52  64 N6        29.79R TC  18
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160400-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     PTCLDY    65  60  84 W5        29.76R TC  18
CAIRO*         PTCLDY    67  61  81 SW8       29.76R TC  19
EFFINGHAM*     CLEAR     59  46  62 W6        29.77R TC  15
MT. VERNON     CLEAR    N/A N/A N/A CALM      29.76R
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLEAR     62  47  57 NW9       29.76R TC  17
METROPOLIS*    MOCLDY    67  58  73 CALM      29.76S TC  19
$$

ILZ067-068-072-073-078-083-087-091-160400-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLEAR     60  48  64 NW9       29.72R TC  16
FLORA*         CLEAR     63  48  59 NW8       29.75R TC  17
FAIRFIELD*     CLEAR     65  50  57 NW3       29.75R TC  19
HARRISBURG*    CLEAR     60  57  88 W3        29.75R TC  16
$$

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