549
ASUS43 KLOT 280806
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT TUE JUL 28 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.

ILZ001-002-007-009-015-016-024-280900-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     78  71  79 N6        29.73S HX  80  TC  26
STERLING*      CLEAR     77  73  87 N9        29.73R TC  25
SAVANNA*       CLEAR     77  71  82 NW7       29.74S TC  25
$$

ILZ003-004-008-010-011-017-018-280900-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTCLDY    77  72  84 N13G20    29.75R TC  25
FREEPORT*      CLEAR     75  73  95 N6        29.77R TC  24
ROCHELLE*      CLEAR     75  72  88 N10G16    29.73R TC  24
DE KALB*       CLEAR     73  73 100 N8        29.74R TC  23
PERU*          CLEAR     75  72  88 NW6       29.70F TC  24
$$

ILZ005-006-012>014-019>023-280900-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTCLDY    73  70  90 N14       29.70R TC  23
CHICAGO-MIDWAY PTCLDY    74  72  93 N14       29.69R TC  23
AURORA         CLEAR    N/A N/A N/A N7        29.70R
JOLIET*        CLEAR     75  75 100 N6        29.69R FOG     TC  24
WAUKEGAN         N/A    N/A N/A N/A MISG      29.72R
DUPAGE AIRPORT CLEAR     73  72  96 N8        29.70R TC  23
KANKAKEE*      PTCLDY    71  69  95 W3        29.69R TC  21
WHEELING       CLEAR     73  69  87 N10       29.73R TC  23
ROMEOVILLE*    CLEAR     73  73 100 N9        29.70S TC  23
NORTHERLY ISL*   N/A     73  69  87 NW14        N/A  TC  23
$$

LMZ740>746-280900-
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            59 49               992.0          2/ 3
WAUKEGAN HARBOR            63 62              1008.1          2/ 3
WILMETTE BUOY              68      40/ 12/ 16 1008.4R         1/ 2
CHICAGO BUOY               72 71  340/ 14     1004.8          1/ 2
HARRISON CRIB              72     340/ 15/ 16   N/A
NORTHERLY ISL              73      10/  8/ 11   N/A
CALUMET HARBOR             73     330/  7/ 12 1005.4F
BURNS HARBOR                                  1005.8S
MICHIGAN CITY              74     330/  6/  9 1003.2S
MICH CITY BUOY             74 74  340/ 12/ 16   N/A           1/ 3
ST. JOSEPH BUOY            72 71  320/  8/ 10 1005.5F         2/ 4
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-280900-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLEAR     77  75  93 NW5       29.75F TC  25
GALESBURG*     CLEAR     74  73  94 W3        29.75F TC  24
MACOMB*        CLEAR     74  74 100 CALM      29.76F TC  24
JACKSONVILLE*  CLEAR     77  77 100 W5        29.74F TC  25
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-280900-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        PTCLDY    78  78 100 MISG      29.69S HX  81  TC  26
BLOOMINGTON    PTCLDY    77  77 100 W9        29.71F TC  25
DECATUR        CLEAR     78  74  87 W9        29.71S HX  81  TC  26
PEORIA         CLEAR     79  73  82 NW5       29.71S HX  82  TC  26
LACON*         CLEAR     77  70  79 NW3       29.70S TC  25
LINCOLN*       CLEAR     81  78  90 W3        29.71S HX  89  TC  27
SPRINGFIELD    CLEAR     78  75  90 W6        29.72S HX  81  TC  26
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-280900-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      PTCLDY    75  74  96 W7        29.70S TC  24
DANVILLE*      CLEAR     77  74  91 W9        29.69S TC  25
MATTOON        CLEAR     80  73  79 W8        29.70S HX  84  TC  27
PARIS*         MOCLDY    77  75  92 W7        29.69F TC  25
$$

ILZ079-100>102-280900-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     81  74  81 W6        29.73F HX  86  TC  27
BELLEVILLE     CLEAR     82  77  84 SW7       29.71F HX  91  TC  28
CAHOKIA*       CLEAR     81  75  82 SW3       29.73F HX  87  TC  27
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280900-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL
CAIRO*         CLEAR     83  78  85 SW5       29.77F HX  94  TC  29
EFFINGHAM*     PTCLDY    76  76  99 SW6       29.73S TC  25
MARION         CLEAR     82  79  90 SW7       29.76F HX  92  TC  28
MT. VERNON     CLEAR     81  80  97 W6        29.74F HX  91  TC  27
CENTRALIA*     CLEAR     80  76  87 CALM      29.74S HX  85  TC  27
SALEM*         CLEAR     79  76  89 MISG      29.73F HX  83  TC  26
METROPOLIS*    CLEAR     82  76  80 SW6       29.77F HX  90  TC  28
$$

ILZ067-068-072-073-078-083-087-091-280900-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FAIRFIELD*     CLEAR     80  78  93 SW6       29.72F HX  87  TC  27
HARRISBURG*    CLEAR     82  80  94 SW6       29.74F HX  92  TC  28
ROBINSON*      MOCLDY    81  79  94 SW9G16    29.68F HX  89  TC  27
$$

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