Regional Weather Roundup
Issued by NWS

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888
ASUS43 KLOT 090410
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT TUE SEP 08 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.

ILZ001-002-007-009-015-016-024-090500-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         MOCLDY    83  68  60 NW12      30.04R HX  86  TC  28
STERLING*      CLOUDY    76  66  71 E5        30.04F TC  24
SAVANNA*       RAIN      74  71  91 N3        30.04S TC  23
$$

ILZ003-004-008-010-011-017-018-090500-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       LGT RAIN  74  65  73 E3        30.05F TC  23
FREEPORT*      MOCLDY    73  71  95 CALM      30.06F TC  23
ROCHELLE*      CLOUDY    72  65  78 CALM      30.05F TC  22
DE KALB*       CLOUDY    73  65  75 CALM      30.07F TC  23
PERU*          CLOUDY   N/A N/A N/A S9        30.03F
$$

ILZ005-006-012>014-019>023-090500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    78  61  55 SW3       30.05S HX  80  TC  26
CHICAGO-MIDWAY CLOUDY    79  63  57 SW3       30.05R HX  80  TC  26
AURORA         MOCLDY    72  66  81 CALM      30.06R TC  22
JOLIET*        MOCLDY    77  65  66 S6        30.05F TC  25
WAUKEGAN       MOCLDY    74  63  68 SW5       30.04S TC  23
DUPAGE AIRPORT MOCLDY    75  65  70 S5        30.06S TC  24
KANKAKEE*      CLEAR     73  65  74 S8        30.08S TC  23
WHEELING       MOCLDY    78  62  57 SW6       30.06F HX  80  TC  26
ROMEOVILLE*    CLOUDY    75  66  73 CALM      30.06S TC  24
LANSING*       MOCLDY    73  62  66 S9        30.06F TC  23
NORTHERLY ISL*   N/A     79  60  52 W5          N/A  HX  80  TC  26
$$

LMZ740>746-090500-
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            68 65  150/  4/  6 1016.6          1/ 3
WAUKEGAN HARBOR            73 71  220/  2/  4 1017.6          1/ 3
WILMETTE BUOY              75     200/  4/  4 1020.7S         1
CHICAGO BUOY               78 72              1016.5          1/ 2
HARRISON CRIB              81     200/  8/  9   N/A
NORTHERLY ISL              79     260/  6/ 12   N/A
CALUMET HARBOR             78     190/ 10/ 14 1017.4
MICHIGAN CITY              77     190/ 10/ 12 1015.9F
MICH CITY BUOY             73 67  320/  6/ 12   N/A           0
ST. JOSEPH BUOY            73 71   40/  2/  2 1019.4R         1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-090500-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         PTCLDY    81  64  56 S8        30.05R HX  82  TC  27
GALESBURG*     CLOUDY    77  68  74 S8        30.03F TC  25
MACOMB*        MOCLDY    77  68  73 S8        30.06S TC  25
JACKSONVILLE*  PTCLDY    81  62  51 S5        30.06S HX  82  TC  27
PITTSFIELD*    PTCLDY    79  64  59 S3        30.07S HX  80  TC  26
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-090500-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        PTCLDY    72  66  81 S5        30.06S TC  22
BLOOMINGTON    PTCLDY    75  64  68 S9        30.09S TC  24
DECATUR        CLEAR     76  60  57 S6        30.09S TC  24
PEORIA         MOCLDY    79  63  57 S8        30.05R HX  80  TC  26
LACON*         CLOUDY    77  61  58 S7        30.02F TC  25
LINCOLN*       PTCLDY    77  63  61 S3        30.07R TC  25
SPRINGFIELD    PTCLDY    79  61  53 S6        30.06F HX  80  TC  26
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-090500-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLEAR     70  66  87 SE7       30.10F TC  21
RANTOUL*       CLEAR     70  67  91 CALM      30.10R TC  21
MATTOON        CLEAR     71  64  78 S3        30.09F TC  22
PARIS*         CLEAR     69  67  92 CALM      30.11S TC  21
$$

ILZ079-100>102-090500-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     77  63  63 S3        30.08S TC  25
CAHOKIA*       CLEAR     79  62  56 S5        30.07S HX  80  TC  26
SPARTA*        CLEAR     76  65  70 SE5       30.11S TC  24
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-090500-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL
CAIRO*         CLEAR     77  76  95 CALM      30.11S TC  25
EFFINGHAM*     CLEAR     71  69  93 E5        30.11F TC  22
MARION         CLEAR     77  70  78 S1        30.12R TC  25
MT. VERNON     CLEAR     72  67  84 CALM      30.11S TC  22
CENTRALIA*     CLEAR     74  65  75 CALM      30.10S TC  23
SALEM*         CLEAR     77  66  68 MISG      30.10S TC  25
METROPOLIS*    CLEAR     80  72  76 SE3       30.12S HX  84  TC  27
$$

ILZ067-068-072-073-078-083-087-091-090500-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLEAR     75  69  81 CALM      30.11S TC  24
FLORA*         CLEAR     72  64  78 CALM      30.11S TC  22
FAIRFIELD*     CLEAR     77  67  72 CALM      30.11S TC  25
HARRISBURG*    CLEAR     73  71  92 CALM      30.12R TC  23
ROBINSON*      CLEAR     72  68  88 S6        30.11S TC  22
$$

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