Regional Weather Roundup
Issued by NWS

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545
ASUS43 KLOT 210810
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT SAT SEP 21 2024

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.

ILZ001-002-007-009-015-016-024-210900-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         PTCLDY    61  56  83 CALM      29.87F TC  16
STERLING*      PTCLDY    57  57 100 E3        29.90S TC  14
SAVANNA*       PTCLDY    59  57  94 CALM      29.88F TC  15
$$

ILZ003-004-008-010-011-017-018-210900-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTCLDY    57  55  93 CALM      29.92S TC  14
FREEPORT*      PTCLDY    58  55  89 CALM      29.92S TC  15
ROCHELLE*      CLEAR     56  55  94 CALM      29.91S TC  14
DE KALB*       CLEAR     61  56  85 CALM      29.92S TC  16
PERU*          PTCLDY    60  55  83 CALM      29.90S TC  16
$$

ILZ005-006-012>014-019>023-210900-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTCLDY    67  56  67 CALM      29.89S TC  19
CHICAGO-MIDWAY PTCLDY    68  57  68 CALM      29.89F TC  20
AURORA         CLEAR     57  53  86 CALM      29.90S TC  14
JOLIET*        PTCLDY    59  56  89 CALM      29.90S TC  15
WAUKEGAN       CLEAR     57  54  89 SW3       29.89S TC  14
DUPAGE AIRPORT CLEAR     58  53  84 N5        29.89F TC  14
KANKAKEE*      PTCLDY    59  56  92 CALM      29.90S TC  15
WHEELING       CLEAR     63  59  87 CALM      29.91F TC  17
MORRIS*        PTCLDY    58  55  87 CALM      29.89S TC  15
ROMEOVILLE*    PTCLDY    64  59  82 CALM      29.90F TC  18
LANSING*       PTCLDY    62  62 100 CALM      29.90F FOG     TC  16
NORTHERLY ISL*   N/A     73  59  61 W2          N/A  TC  23
$$

LMZ740>746-210900-
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           72     270/  6/  6 1011.8F         0
WINTHROP HARBOR            69 73  260/  6/  8   N/A           0
WAUKEGAN HARBOR            69 74  300/  8/ 10   N/A           0
WILMETTE BUOY              73 72  260/  6/  6 1010.5R         1
CHICAGO BUOY               74 72   40/  4/  6 1012.2          0
HARRISON CRIB              77     300/  6/  7   N/A
NORTHERLY ISL              71      CALM  /  6   N/A
CALUMET HARBOR             70     210/  2/  3 1011.3
MICHIGAN CITY              69     250/  3/  3 1011.0F
MICH CITY BUOY             70     130/  2/  4 1013.0F         0
ST. JOSEPH BUOY            69 69  210/  2/  4 1012.9F         0
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-210900-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         PTCLDY    72  54  53 E6        29.87S TC  22
GALESBURG*     CLEAR     65  56  74 SE3       29.90S TC  18
MACOMB*        PTCLDY    55  51  85 CALM      29.90F TC  13
JACKSONVILLE*  MOCLDY    61  56  82 NE3       29.87F TC  16
PITTSFIELD*    MOCLDY    66  59  78 CALM      29.88S TC  19
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-210900-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        PTCLDY    55  53  91 CALM      29.90S TC  13
BLOOMINGTON    CLEAR     62  58  86 S3        29.91F TC  17
DECATUR        FOG       61  59  93 N6        29.89S VSB 1/2 TC  16
PEORIA         CLEAR     63  57  81 CALM      29.90R TC  17
LACON*         PTCLDY    57  52  82 CALM      29.89S TC  14
LINCOLN*       PTCLDY    62  57  82 CALM      29.89S TC  17
SPRINGFIELD    PTCLDY    61  59  93 N3        29.88S TC  16
TAYLORVILLE    MOCLDY    65  65  98 CALM      29.88S FOG     TC  19
$$

ILZ033-039-045-046-055>057-062-063-210900-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      PTCLDY    63  62  97 N3        29.89F TC  17
RANTOUL*       PTCLDY    57  53  84 CALM      29.89F TC  14
MATTOON        FOG       65  65 100 CALM      29.87F VSB 3/4 TC  18
PARIS*         PTCLDY    60  60  97 CALM      29.90S TC  16
$$

ILZ079-100>102-210900-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          MOCLDY    70  70  99 CALM      29.87S TC  21
BELLEVILLE     MOCLDY    73  71  95 CALM      29.85S TC  23
CAHOKIA*       MOCLDY    73  70  90 CALM      29.85F TC  23
SPARTA*        MOCLDY    77  73  86 S5        29.89R TC  25
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210900-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOCLDY    73  70  90 S3        29.87F TC  23
CAIRO*         PTCLDY    76  70  80 S3        29.89S TC  25
EFFINGHAM*     FOG       67  66  99 CALM      29.89F VSB 1   TC  19
MARION         MOCLDY    73  70  90 CALM      29.89S TC  23
MT. VERNON     MOCLDY    71  70  96 CALM      29.88S TC  22
CENTRALIA*     MOCLDY    73  70  91 S3        29.87S TC  23
SALEM*         FOG       70  70  98 CALM      29.88R VSB 1   TC  21
METROPOLIS*    PTCLDY    73  69  87 CALM      29.90S TC  23
$$

ILZ067-068-072-073-078-083-087-091-210900-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLEAR     69  67  93 CALM      29.88F TC  21
FLORA*         PTCLDY    68 N/A N/A CALM      29.88S HAZE    TC  20
FAIRFIELD*     PTCLDY    71  69  94 CALM      29.88S TC  21
HARRISBURG*    MOCLDY    71  69  92 CALM      29.89S TC  22
$$

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