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

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917
ASUS43 KLOT 190508
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CST TUE NOV 18 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.

ILZ001-002-007-009-015-016-024-190600-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    43  41  93 NE6       30.11R TC   6
STERLING*      CLOUDY    41  40  96 NE7       30.13R TC   5
$$

ILZ003-004-008-010-011-017-018-190600-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    39  37  92 N6        30.14S WCI  35 TC   4
DE KALB*       CLOUDY    39  39 100 NE9       30.12R FOG     WCI  33
PERU*          CLOUDY    43  42  93 N8        30.10R FOG     TC   6
$$

ILZ005-006-012>014-019>023-190600-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    42  39  89 N10       30.10R TC   6
CHICAGO-MIDWAY CLOUDY    43  40  89 NE10      30.10R TC   6
AURORA         CLOUDY    42  40  92 NE7       30.10R FOG     TC   6
JOLIET*        CLOUDY    44  42  91 NE5       30.11R TC   7
WAUKEGAN       CLOUDY    41  37  86 NE6       30.12R TC   5
DUPAGE AIRPORT CLOUDY    41  40  96 NE9       30.10R TC   5
WHEELING       CLOUDY    42  40  92 MISG      30.13R TC   6
MORRIS*        CLOUDY    43  43 100 CALM      30.09S FOG     TC   6
ROMEOVILLE*    CLOUDY    43  41  93 NE10      30.11R TC   6
LANSING*       CLOUDY    40  35  80 NE5       30.10S TC   5
NORTHERLY ISL*   N/A     43  39  86 NE8         N/A  TC   6
$$

LMZ740>746-190600-
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           40 49   70/ 12/ 14 1021.2R         2/ 4
WINTHROP HARBOR            43 48                N/A           3/ 6
WAUKEGAN HARBOR            44 47                N/A           3/ 5
HARRISON CRIB              43      30/ 11/ 12   N/A
NORTHERLY ISL              43      30/  8/ 10   N/A
CALUMET HARBOR             43      50/  7/ 10 1018.8
BURNS HARBOR               41      50/  5/  6 1020.0R
MICHIGAN CITY              40      60/  7/  8 1019.3R
ST. JOSEPH BUOY            40 50   30/  8/ 12 1020.3R         1/ 4
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-190600-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    46  44  93 N7        30.07R FOG     TC   8
GALESBURG*     CLOUDY    42  42 100 N6        30.10R FOG     TC   6
MACOMB*        CLOUDY    44  44  99 NE6       30.10S FOG     TC   7
JACKSONVILLE*  CLOUDY    47  46  99 N7        30.06S TC   8
PITTSFIELD*    CLOUDY    49  48  95 N6        30.08R TC  10
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-190600-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    42  40  95 NE8       30.09R FOG     TC   6
BLOOMINGTON    CLOUDY    42  42 100 NE10      30.07R FOG     TC   6
DECATUR        CLOUDY    45  44  97 NE9       30.06R FOG     TC   7
PEORIA         CLOUDY    43  42  97 NE8       30.08R FOG     TC   6
LACON*         CLOUDY    42  39  90 NE5       30.08S FOG     TC   6
LINCOLN*       CLOUDY    46  46 100 NE6       30.07R FOG     TC   8
SPRINGFIELD    CLOUDY    46  45  96 N3        30.05S TC   8
TAYLORVILLE    CLOUDY    46  46 100 MISG      30.05S TC   8
$$

ILZ033-039-045-046-055>057-062-063-190600-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    43  43 100 NE6       30.06R FOG     TC   6
RANTOUL*       CLOUDY    43  41  93 NE10      30.06S FOG     TC   6
MATTOON        CLOUDY    46  45  96 N14       30.04R TC   8
PARIS*         CLOUDY    45  44  97 NE5       30.05R FOG     TC   7
$$

ILZ079-100>102-190600-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     47  46  95 CALM      30.06R FOG     TC   9
BELLEVILLE     CLOUDY    52  49  87 N7        30.03S TC  11
CAHOKIA*       PTCLDY    49  48  97 N6        30.05S TC   9
SPARTA*        CLOUDY    51  51 100 N6        30.05R TC  11
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190600-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    56  54  93 N8        30.02R TC  13
CAIRO*         CLEAR     63  62  97 N6        29.99R TC  17
EFFINGHAM*     CLOUDY    48  48 100 N5        30.06R FOG     TC   9
MT. VERNON     CLOUDY   N/A N/A N/A VRB7      30.03R
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    51  50  95 N9        30.04R FOG     TC  11
METROPOLIS*    FOG       63  62  97 CALM      29.99R VSB 1   TC  17
$$

ILZ067-068-072-073-078-083-087-091-190600-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    47  47 100 N16       30.03R TC   8
FLORA*         CLOUDY    50 N/A N/A N9        30.04R HAZE    TC  10
FAIRFIELD*     CLOUDY    50  49  94 N8        30.02R FOG     TC  10
HARRISBURG*    MOCLDY    55  53  93 N7        30.01R TC  13
ROBINSON*      CLOUDY    48  48 100 N10       30.03R TC   9
$$

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