Regional Weather Roundup
Issued by NWS

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409
ASUS43 KLOT 201401
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CST THU NOV 20 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.

ILZ001-002-007-009-015-016-024-201500-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    45  44  97 SE3       30.05F FOG     TC   7
STERLING*      CLOUDY    44  44 100 SE5       30.08F FOG     TC   7
$$

ILZ003-004-008-010-011-017-018-201500-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       FOG       43  42  97 SE3       30.09F VSB 1   TC   6
$$

ILZ005-006-012>014-019>023-201500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    43  41  93 S3        30.09F FOG     TC   6
CHICAGO-MIDWAY CLOUDY    43  42  97 S5        30.10F FOG     TC   6
AURORA         FOG       43  43 100 SE6       30.08F VSB 1/2 TC   6
JOLIET*        CLOUDY    45  45  99 S3        30.11S FOG     TC   7
WAUKEGAN       CLOUDY    42  41  96 SW6       30.09S FOG     TC   6
DUPAGE AIRPORT CLOUDY    42  42 100 SE5       30.08F FOG     TC   6
WHEELING       CLOUDY    43  42  97 SW5       30.11S FOG     TC   6
MORRIS*        FOG       43  43 100 S7        30.09F VSB 1   TC   6
ROMEOVILLE*    FOG       43  43 100 VRB3      30.10F VSB 1/2 TC   6
LANSING*       FOG       42  40  91 S6        30.11F VSB 1   TC   6
$$

LMZ740>746-201500-
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           46 49  210/  6/  8 1019.7F
WINTHROP HARBOR            44 47  180/  6/  8   N/A           1
WAUKEGAN HARBOR            44 48  190/  6/ 10   N/A           1
HARRISON CRIB              43     170/  8/  9   N/A
NORTHERLY ISL              43     180/  4/  8   N/A
CALUMET HARBOR                    190/  2/  4 1019.2
BURNS HARBOR               43     170/  3/  4 1020.3F
MICHIGAN CITY              42     190/  7/  7 1020.2F
ST. JOSEPH BUOY            44 50  150/ 10/ 12 1020.6F         1/ 2
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-201500-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         FOG       46  46 100 SE7       30.06S VSB 1   TC   8
MACOMB*        CLOUDY    45  45 100 SE8       30.10R FOG     TC   7
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-201500-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    44  43  97 SE7       30.11S FOG     TC   7
BLOOMINGTON    FOG       43  43 100 SE8       30.11S VSB 1/4 TC   6
DECATUR        CLOUDY    45  44  97 S3        30.12R FOG     TC   7
PEORIA         CLOUDY    44  43  96 SE6       30.10S FOG     TC   7
SPRINGFIELD    CLOUDY    44  44 100 SE9       30.09F FOG     TC   7
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-201500-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      FOG       45  45 100 SE6       30.11S VSB 1/4 TC   7
RANTOUL*       FOG       43  43 100 CALM      30.12R VSB 1/4 TC   6
MATTOON        FOG       46  46 100 SE7       30.10F VSB 3/4 TC   8
PARIS*         FOG       45  44  97 SE6       30.12S VSB 1/2 TC   7
$$

ILZ079-100>102-201500-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          DRIZZLE   48  46  93 S8        30.10R TC   9
BELLEVILLE     CLOUDY    49  47  94 S6        30.09  FOG     TC  10
CAHOKIA*       LGT RAIN  49  47  93 S6        30.10R FOG     TC   9
SPARTA*        LGT RAIN  47  47 100 SE8       30.10F TC   9
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201500-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     RAIN      48  46  93 S6        30.14F FOG     TC   9
EFFINGHAM*     CLOUDY    46  46 100 E6        30.14R FOG     TC   8
MARION         LGT RAIN  46  46 100 CALM      30.15S FOG     TC   8
MT. VERNON     LGT RAIN N/A N/A N/A S7        30.14S
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    48  46  93 S6        30.11S FOG     TC   9
METROPOLIS*    RAIN      48  47  97 CALM      30.12F TC   9
$$

ILZ067-068-072-073-078-083-087-091-201500-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    47  46  97 SE10      30.14R FOG     TC   8
FLORA*         CLOUDY    48 N/A N/A S8        30.13S FOG     TC   9
FAIRFIELD*     LGT RAIN  47  46  96 SE8       30.13F TC   9
HARRISBURG*    LGT RAIN  48  46  95 SE3       30.17R TC   9
$$

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