Regional Weather Roundup
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
147
ASUS43 KLOT 110506
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT FRI SEP 11 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.

ILZ001-002-007-009-015-016-024-110600-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     60  59  96 CALM      30.01S TC  16
STERLING*      CLEAR     62  61  96 E3        30.03S TC  17
SAVANNA*       CLEAR     60  59  96 CALM      30.03R TC  16
$$

ILZ003-004-008-010-011-017-018-110600-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTCLDY    62  57  83 SE3       30.05R TC  17
FREEPORT*      MOCLDY    59  58  95 CALM      30.05R TC  15
ROCHELLE*      CLEAR     58  56  94 S5        30.04S TC  15
DE KALB*       CLEAR     60  55  86 SE6       30.05S TC  15
$$

ILZ005-006-012>014-019>023-110600-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLEAR     65  57  75 CALM      30.04R TC  18
CHICAGO-MIDWAY CLEAR     67  60  78 CALM      30.04R TC  19
AURORA         CLEAR     57  56  96 CALM      30.04R TC  14
JOLIET*        CLEAR     64  61  88 CALM      30.04R TC  18
WAUKEGAN       CLEAR     59  59 100 CALM      30.04R TC  15
DUPAGE AIRPORT CLEAR     59  55  87 CALM      30.05R TC  15
KANKAKEE*      CLEAR     62  58  86 CALM      30.04S TC  17
WHEELING       CLEAR     62  59  90 CALM      30.05S TC  17
ROMEOVILLE*    PTCLDY    63  61  94 CALM      30.05R TC  17
LANSING*       CLEAR     57  56  94 CALM      30.04S TC  14
NORTHERLY ISL*   N/A     67  62  84 E5          N/A  TC  19
$$

LMZ740>746-110600-
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            69 67  120/  4/  6 1016.6R         1/ 2
WAUKEGAN HARBOR            70 70  100/  4/  8 1017.4R         1/ 2
WILMETTE BUOY              71     120/  6/ 10 1019.9R         1/ 3
CHICAGO BUOY               71 71              1016.4R         1/ 3
HARRISON CRIB              71     140/  9/ 10   N/A
NORTHERLY ISL              68     120/  4/  8   N/A
CALUMET HARBOR             68     120/  2/  3 1017.0
MICHIGAN CITY              65     110/  3/  4 1015.8F
MICH CITY BUOY             66 68  110/  2/  4   N/A           1/ 4
ST. JOSEPH BUOY            67 70   80/  4/  6 1017.8S         1/ 4
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-110600-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    65  65 100 NE5       30.00S FOG     TC  18
GALESBURG*     CLEAR     61  61 100 CALM      30.02F TC  16
MACOMB*        FOG       62  62 100 CALM      30.03S VSB 1/4 TC  17
JACKSONVILLE*  CLOUDY    65  65 100 CALM      30.00S VSB 1/2 TC  18
PITTSFIELD*    CLOUDY    68  67  98 CALM      30.01S TC  20
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-110600-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLEAR     62  62 100 E3        30.04R TC  17
BLOOMINGTON    CLEAR     63  63 100 E6        30.04R FOG     TC  17
DECATUR        MOCLDY    68  66  93 CALM      30.02S TC  20
PEORIA         CLEAR     66  65  96 CALM      30.02R TC  19
LACON*         PTCLDY    65  63  96 CALM      30.01S TC  18
LINCOLN*       CLEAR     65  65 100 CALM      30.01S TC  19
SPRINGFIELD    MOCLDY    67  66  97 CALM      30.00S TC  19
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-110600-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLEAR     64  63  96 E5        30.03R TC  18
RANTOUL*       CLEAR     64  64  99 E5        30.03S TC  18
MATTOON        PTCLDY    67  67 100 CALM      30.01R FOG     TC  19
PARIS*         PTCLDY    64  63  97 CALM      30.02S TC  18
$$

ILZ079-100>102-110600-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          PTCLDY    69  68  98 CALM      30.00S FOG     TC  21
CAHOKIA*       PTCLDY    70  69  97 CALM      29.98S FOG     TC  21
SPARTA*        PTCLDY    71  71 100 CALM      30.00S TC  22
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-110600-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL
CAIRO*         CLOUDY    77  74  90 CALM      29.97R TC  25
EFFINGHAM*     MOCLDY    71  69  94 CALM      30.02S TC  22
MARION         CLOUDY    73  73 100 NE1       29.98S TC  23
MT. VERNON     MOCLDY    72  70  93 N3        29.99F TC  22
CENTRALIA*     PTCLDY    71  70  97 CALM      29.99F FOG     TC  22
SALEM*         MOCLDY    73  72  98 MISG      30.00S TC  23
METROPOLIS*    CLOUDY    76  70  83 CALM      29.97S TC  24
$$

ILZ067-068-072-073-078-083-087-091-110600-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  MOCLDY    71  70  96 N5        29.98F TC  22
FLORA*         MOCLDY    72 N/A N/A CALM      30.00S TC  22
FAIRFIELD*     MOCLDY    72  69  89 CALM      29.99R TC  22
HARRISBURG*    MOCLDY    73  73  98 CALM      29.99S TC  23
ROBINSON*      MOCLDY    72  72 100 N3        29.99S FOG     TC  22
$$

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