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

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246
ASUS43 KLOT 160707
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT WED JUL 16 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.

ILZ001-002-007-009-015-016-024-160800-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     72  71  97 CALM      29.88F TC  22
$$

ILZ003-004-008-010-011-017-018-160800-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLEAR     74  69  85 CALM      29.90F TC  23
ROCHELLE*      PTCLDY    70  68  95 CALM      29.90F FOG     TC  21
DE KALB*       CLEAR     73  73 100 SE7       29.92F FOG     TC  23
PERU*          PTCLDY    74  73  94 SW3       29.90F TC  24
$$

ILZ005-006-012>014-019>023-160800-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    79  71  76 S10       29.90F THUNDER HX  82
CHICAGO-MIDWAY CLOUDY    80  72  76 S9        29.91F HX  84  TC  27
AURORA         PTCLDY    76  72  87 SE5       29.90F TC  24
JOLIET*        PTCLDY    77  75  92 SE5       29.92F TC  25
WAUKEGAN       CLEAR     74  70  87 CALM      29.89F TC  23
DUPAGE AIRPORT PTCLDY    76  73  91 S7        29.90F TC  24
KANKAKEE*      MOCLDY    73  72  95 SE5       29.94F TC  23
WHEELING       PTCLDY    76  72  87 S5        29.91F TC  24
MORRIS*        CLEAR     74  73  96 S3        29.90F TC  24
ROMEOVILLE*    MOCLDY    75  75 100 E7        29.93F TC  24
LANSING*       CLOUDY    75  73  92 S3        29.94S TC  24
NORTHERLY ISL*   N/A     79  70  74 S12         N/A  HX  82  TC  26
$$

LMZ740>746-160800-
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           77 76  180/ 10/ 12 1012.2F         1
WINTHROP HARBOR            75 74  140/  4/  4   N/A           1
WAUKEGAN HARBOR            75 75   70/  2/  4   N/A           1
WILMETTE BUOY              77     150/  4/  4 1015.1F         1
CHICAGO BUOY               78 75  190/  8/ 10 1013.2F         1
HARRISON CRIB              84     170/ 15/ 16   N/A
NORTHERLY ISL              79     200/  6/  6   N/A
CALUMET HARBOR             79     170/  7/  9 1012.3
BURNS HARBOR               79     180/  4/  6 1013.9F
MICHIGAN CITY              78     150/  8/  9 1011.8F
MICH CITY BUOY             77 77  140/ 10/ 12 1012.0F         1
ST. JOSEPH BUOY            78 77  180/ 12/ 16 1014.3F         1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-160800-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLEAR     74  72  93 S5        29.90F TC  23
GALESBURG*     CLEAR     72  72  99 SE3       29.92R TC  22
MACOMB*        CLEAR     72  72  99 S5        29.93S TC  22
JACKSONVILLE*  CLEAR     73  72  98 S5        29.91F TC  23
PITTSFIELD*    CLEAR     74  73  98 S3        29.92F TC  23
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-160800-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        MOCLDY    75  74  96 S5        29.92F TC  24
BLOOMINGTON    CLOUDY    73  73 100 S7        29.95F TC  23
DECATUR        PTCLDY    75  72  90 S5        29.93F TC  24
PEORIA         CLEAR     77  74  90 S5        29.90F TC  25
LACON*         CLEAR     74  71  91 CALM      29.90F TC  23
LINCOLN*       PTCLDY    73  73 100 CALM      29.92F TC  23
SPRINGFIELD    CLEAR     73  72  96 S5        29.91F TC  23
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-160800-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RANTOUL*       MOCLDY    73  73  99 CALM      29.95F FOG     TC  23
MATTOON        PTCLDY    73  73 100 S3        29.93F TC  23
$$

ILZ079-100>102-160800-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          FOG      N/A N/A N/A CALM      29.93F VSB 1
BELLEVILLE     CLEAR     73  72  97 S3        29.91F TC  23
CAHOKIA*       CLEAR     74  72  93 CALM      29.92F TC  23
SPARTA*        CLOUDY    76  75  96 S3        29.95S TC  25
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160800-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    75  74  96 CALM      29.94S TC  24
CAIRO*         PTCLDY    75  75  98 CALM      29.96S TC  24
EFFINGHAM*     CLOUDY    73  73 100 CALM      29.96S TC  23
MARION         CLOUDY    74  73  96 SW5       29.96S TC  23
MT. VERNON     CLOUDY    74  74 100 CALM      29.95S FOG     TC  23
CENTRALIA*     CLOUDY    73  73  98 CALM      29.94F FOG     TC  23
SALEM*         CLOUDY    74  74  98 CALM      29.94F FOG     TC  24
METROPOLIS*    PTCLDY    74  73  96 CALM      29.97R TC  23
$$

ILZ067-068-072-073-078-083-087-091-160800-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    75  75 100 S6        29.95F TC  24
FLORA*         PTCLDY    75 N/A N/A CALM      29.95S HAZE    TC  24
FAIRFIELD*     PTCLDY    74  73  96 S5        29.95S TC  23
HARRISBURG*    PTCLDY    73  72  94 CALM      29.96S TC  23
$$

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