Regional Weather Roundup
Issued by NWS

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113
ASUS43 KLOT 121256
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT THU JUN 12 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.

ILZ001-002-007-009-015-016-024-121400-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         MOSUNNY   71  64  78 SE6       30.03R TC  22
$$

ILZ003-004-008-010-011-017-018-121400-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTSUNNY   72  56  57 NE6       30.09R TC  22
$$

ILZ005-006-012>014-019>023-121400-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTSUNNY   71  58  63 CALM      30.06S TC  22
CHICAGO-MIDWAY NOT AVBL
AURORA         PTSUNNY   71  59  65 SE7       30.06S HAZE    TC  22
WAUKEGAN       MOSUNNY   66  56  70 NE8       30.08S TC  19
DUPAGE AIRPORT MOSUNNY   72  59  63 CALM      30.06S TC  22
WHEELING       MOSUNNY   70  58  65 NE6       30.09R TC  21
ROMEOVILLE*    SUNNY     70  63  78 VRB7      30.08R HAZE    TC  21
NORTHERLY ISL*   N/A     65  58  78 N5          N/A  TC  18
$$

LMZ740>746-121400-
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           56 53   10/  8/ 10 1018.8R
WINTHROP HARBOR            58 56  300/  8/ 12   N/A           1/ 3
WAUKEGAN HARBOR            58 58  360/ 10/ 14   N/A           1
WILMETTE BUOY              59      30/  6/  8 1019.2R         1/ 3
CHICAGO BUOY               62 60  350/  4/  6 1018.7S         1
HARRISON CRIB              64     360/  6/  7   N/A
NORTHERLY ISL              65     360/  2/  7   N/A
CALUMET HARBOR             66     340/  1/  2 1017.0
BURNS HARBOR               67     300/  3/  3 1018.6R
MICHIGAN CITY              71     190/  8/  9 1016.8R
ST. JOSEPH BUOY            63 62  350/  2/  4 1018.6          1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-121400-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-121400-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    NOT AVBL
TAYLORVILLE    SUNNY     70  64  83 MISG      30.07R TC  21
$$

ILZ033-039-045-046-055>057-062-063-121400-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ079-100>102-121400-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     72  64  78 S9        30.05S TC  22
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121400-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     PTSUNNY   70  65  84 CALM      30.07R TC  21
MARION         SUNNY     70  64  83 SE3       30.07R TC  21
$$

ILZ067-068-072-073-078-083-087-091-121400-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

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