806
ASUS43 KLOT 310311
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT THU JUL 30 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.

ILZ001-002-007-009-015-016-024-310400-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         MOCLDY    70  66  87 SE5       30.00R TC  21
STERLING*      MOCLDY    70  69  97 E5        30.04R TC  21
SAVANNA*       MOCLDY    72  65  79 CALM      30.03R TC  22
$$

ILZ003-004-008-010-011-017-018-310400-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTCLDY    67  63  87 CALM      30.05S TC  19
FREEPORT*      PTCLDY    67  66  95 CALM      30.06S TC  20
ROCHELLE*      MOCLDY    66  63  88 E7        30.06R TC  19
DE KALB*       PTCLDY    70  63  79 CALM      30.07R TC  21
PERU*          CLOUDY    73  64  73 SE3       30.04R TC  23
$$

ILZ005-006-012>014-019>023-310400-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    78  61  55 W5        30.04R HX  80  TC  26
CHICAGO-MIDWAY PTCLDY    78  61  55 SW6       30.04R HX  80  TC  26
AURORA         PTCLDY    67  67 100 CALM      30.05R TC  19
JOLIET*        PTCLDY    70  66  86 CALM      30.06R TC  21
WAUKEGAN       PTCLDY    71  56  58 SW5       30.04R TC  22
DUPAGE AIRPORT PTCLDY    72  66  81 CALM      30.04R TC  22
KANKAKEE*      PTCLDY    68  66  94 CALM      30.06R TC  20
WHEELING       CLEAR     74  61  63 CALM      30.06R TC  23
ROMEOVILLE*    PTCLDY    73  66  78 S3        30.06R TC  23
LANSING*       PTCLDY    69  65  85 CALM      30.05R TC  21
NORTHERLY ISL*   N/A     70  65  84 CALM        N/A  TC  21
$$

LMZ740>746-310400-
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            74     150/  6/  8 1016.5          1
WAUKEGAN HARBOR            75 72  210/  6/  8 1017.4          1
WILMETTE BUOY              72     200/  4/  6 1020.0R         1
CHICAGO BUOY               74 73              1016.2          1/ 2
HARRISON CRIB              76     160/  4/  4   N/A
NORTHERLY ISL              72      CALM  /  2   N/A
CALUMET HARBOR             74        CALM     1017.0
BURNS HARBOR                                  1017.9R
MICHIGAN CITY              75     140/  4/  5 1015.6R
MICH CITY BUOY             74 74  150/  2/  4   N/A           0
ST. JOSEPH BUOY            74 74  170/  2/  2 1017.9R         0
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-310400-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         MOCLDY    74  68  81 SE7       30.00S TC  23
GALESBURG*     MOCLDY    73  64  75 SE3       30.03S TC  23
MACOMB*        PTCLDY    68  67  98 CALM      30.04S TC  20
JACKSONVILLE*  CLEAR     69  67  92 E3        30.03R TC  21
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-310400-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    71  66  85 SE5       30.05R TC  22
BLOOMINGTON    MOCLDY    72  63  73 SE7       30.06R TC  22
DECATUR        PTCLDY    71  63  75 SE6       30.05R TC  22
PEORIA         MOCLDY    76  63  64 SE6       30.03R TC  24
LACON*         MOCLDY    74  62  64 SE5       30.03R TC  24
LINCOLN*       PTCLDY    73  66  79 CALM      30.04R TC  23
SPRINGFIELD    PTCLDY    72  66  81 SE5       30.03R TC  22
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-310400-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      MOCLDY    69  65  86 E5        30.06R TC  21
DANVILLE*      MOCLDY    70  67  92 CALM      30.07R TC  21
MATTOON        PTCLDY    69  65  86 SE3       30.05R TC  21
PARIS*         MOCLDY    68  68  98 CALM      30.06R TC  20
$$

ILZ079-100>102-310400-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLEVILLE     MOCLDY    76  70  83 E3        30.00R TC  24
CAHOKIA*       PTCLDY    74  67  78 SE3       30.01R TC  23
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-310400-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL
CAIRO*         MOCLDY    74  70  88 CALM      30.02R TC  23
EFFINGHAM*     PTCLDY    69  69 100 CALM      30.06R TC  20
MARION         MOCLDY    73  63  71 CALM      30.04R TC  23
MT. VERNON     MOCLDY    74  64  71 CALM      30.04R TC  23
CENTRALIA*     MOCLDY    71  64  79 CALM      30.04R TC  22
SALEM*         MOCLDY    74  67  77 MISG      30.04R TC  24
METROPOLIS*    MOCLDY    71  70  98 CALM      30.03R TC  21
$$

ILZ067-068-072-073-078-083-087-091-310400-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  MOCLDY    72  65  78 CALM      30.05R TC  22
FAIRFIELD*     PTCLDY    71  63  76 NE3       30.03S TC  22
HARRISBURG*    MOCLDY    71  68  92 CALM      30.03R TC  22
ROBINSON*      PTCLDY    68  68 100 SW6       30.04R TC  20
$$

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