Regional Weather Roundup
Issued by NWS

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265
ASUS43 KLOT 241410
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT FRI JUL 24 2026

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.

ILZ001-002-007-009-015-016-024-241500-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         PTSUNNY   65  59  81 CALM      30.15R TC  18
STERLING*      CLOUDY    62  61  96 E5        30.17S TC  17
SAVANNA*       CLOUDY    65  57  76 CALM      30.16S TC  18
$$

ILZ003-004-008-010-011-017-018-241500-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    68  57  68 CALM      30.18F TC  20
FREEPORT*      CLOUDY    66  60  81 CALM      30.19R TC  19
ROCHELLE*      CLOUDY    63  59  88 CALM      30.17S TC  17
DE KALB*       CLOUDY    65  56  72 SE6       30.19S TC  19
PERU*          CLOUDY    66  59  77 CALM      30.17S TC  19
$$

ILZ005-006-012>014-019>023-241500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    70  52  52 S3        30.17S TC  21
CHICAGO-MIDWAY CLOUDY    69  53  56 S5        30.18R TC  21
AURORA         CLOUDY    68  57  68 CALM      30.18S TC  20
JOLIET*        CLOUDY    69  56  63 SE3       30.18F TC  21
WAUKEGAN       CLOUDY    71  55  56 W6        30.17S TC  22
DUPAGE AIRPORT CLOUDY    67  56  67 S6        30.17S TC  19
KANKAKEE*      CLOUDY    66  56  69 SE3       30.19S TC  19
WHEELING       CLOUDY    71  54  54 S5        30.18S TC  22
LANSING*       PTSUNNY   67  54  61 CALM      30.19S TC  20
NORTHERLY ISL*   N/A     72  53  51 SE2         N/A  TC  22
$$

LMZ740>746-241500-
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)
WINTHROP HARBOR            70 71              1020.3          0
WAUKEGAN HARBOR            72 71              1021.1          0
WILMETTE BUOY              71     180/  4/  6 1024.6R         0
CHICAGO BUOY                  73                N/A           0
HARRISON CRIB              70     180/  5/  6   N/A
NORTHERLY ISL              70     160/  3/  5   N/A
CALUMET HARBOR             70     180/  4/  5 1022.0
BURNS HARBOR                                  1022.4R
MICHIGAN CITY              69     120/  5/  5 1020.7R
MICH CITY BUOY             71 74  150/  6/  6   N/A           1
ST. JOSEPH BUOY            69 71  120/  8/  8 1022.6R         1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-241500-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    66  59  78 SE7       30.14S TC  19
GALESBURG*     CLOUDY    65  58  77 CALM      30.17S TC  18
MACOMB*        CLOUDY    65  62  89 CALM      30.19R TC  18
JACKSONVILLE*  MOSUNNY   68  59  73 SE6       30.15F TC  20
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-241500-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    69  59  72 MISG      30.18S TC  20
BLOOMINGTON    PTSUNNY   68  59  73 SE6       30.19R TC  20
DECATUR        SUNNY     68  59  73 CALM      30.18S TC  20
PEORIA         CLOUDY    68  56  65 SE3       30.16F TC  20
LACON*         CLOUDY    67  56  67 CALM      30.17S TC  19
LINCOLN*       MOSUNNY   68  60  75 CALM      30.17F TC  20
SPRINGFIELD    SUNNY     69  58  67 SE3       30.16F TC  21
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-241500-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      PTSUNNY   68  59  73 SE3       30.18R TC  20
DANVILLE*        N/A     70  58  67 CALM      30.19R VSB 1   TC  21
MATTOON        SUNNY     71  57  61 SE5       30.16S TC  22
PARIS*         MOSUNNY   70  59  68 S3        30.18S TC  21
$$

ILZ079-100>102-241500-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     70  61  73 SE3       30.15F TC  21
BELLEVILLE     PTSUNNY   70  64  82 SE3       30.13F TC  21
CAHOKIA*       PTSUNNY   72  62  71 S3        30.15S TC  22
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-241500-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     SUNNY     72  63  73 CALM      30.15S TC  22
CAIRO*         PTSUNNY   72  66  80 CALM      30.15F TC  22
EFFINGHAM*     SUNNY     71  61  71 CALM      30.18F TC  22
MT. VERNON     PTSUNNY   72  58  61 CALM      30.17S TC  22
CENTRALIA*     PTSUNNY   72  60  65 CALM      30.17S TC  22
SALEM*         MOSUNNY   73  59  61 MISG      30.17S TC  23
METROPOLIS*    PTSUNNY   72  61  67 CALM      30.15S TC  22
$$

ILZ067-068-072-073-078-083-087-091-241500-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  SUNNY     70  59  68 CALM      30.16R TC  21
FLORA*         SUNNY     70  61  73 CALM      30.17S TC  21
FAIRFIELD*     MOSUNNY   70  59  66 CALM      30.16R TC  21
HARRISBURG*    PTSUNNY   71  61  71 CALM      30.16R TC  22
ROBINSON*      SUNNY     70  61  73 E2        30.16R TC  21
$$

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