Regional Weather Roundup
Issued by NWS

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273
ASUS43 KLOT 311156
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT FRI JUL 31 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.

ILZ001-002-007-009-015-016-024-311300-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    69  65  86 SE12      29.89F TC  21
6HR MIN TEMP:  69; 6HR MAX TEMP:  71; 6HR PCP:  0.03;

$$

ILZ003-004-008-010-011-017-018-311300-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTSUNNY   68  61  78 SE8       29.98S TC  20
6HR MIN TEMP:  63; 6HR MAX TEMP:  68;

$$

ILZ005-006-012>014-019>023-311300-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTSUNNY   72  62  71 S5        29.99S TC  22
6HR MIN TEMP:  70; 6HR MAX TEMP:  74;

CHICAGO-MIDWAY NOT AVBL
AURORA         MOSUNNY   67  64  90 SE6       29.98F TC  19
6HR MIN TEMP:  62; 6HR MAX TEMP:  67;

WAUKEGAN       PTSUNNY   66  64  93 CALM      29.99R TC  19
6HR MIN TEMP:  63; 6HR MAX TEMP:  69;

DUPAGE AIRPORT PTSUNNY   68  63  84 SE7       29.98F TC  20
6HR MIN TEMP:  65; 6HR MAX TEMP:  69;

WHEELING       MOSUNNY   69  64  84 S3        30.01S TC  21
6HR MIN TEMP:  65; 6HR MAX TEMP:  71;

ROMEOVILLE*    SUNNY     66  66 100 SE5       30.01S TC  19
NORTHERLY ISL*   N/A     71  62  73 SE3         N/A  TC  22
$$

LMZ740>746-311300-
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            70      90/  2/  4 1015.2R         0
WAUKEGAN HARBOR            70 70  180/  2/  2 1016.0R         0
WILMETTE BUOY              72     180/  4/  6 1018.5R         0
CHICAGO BUOY               73 72              1014.9R         0
HARRISON CRIB              73     180/  7/  7   N/A
NORTHERLY ISL              71     190/  3/  3   N/A
CALUMET HARBOR                    190/  3/  4 1016.1
BURNS HARBOR                                  1016.6S
MICHIGAN CITY              70     140/  8/  9 1014.8S
MICH CITY BUOY             71 73  160/  6/  8   N/A           0
ST. JOSEPH BUOY            70 72  140/  4/  6 1017.1R         0
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-311300-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-311300-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    CLOUDY    71  63  75 S10       29.95F TC  22
6HR MIN TEMP:  70; 6HR MAX TEMP:  73;

TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-311300-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-311300-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     70  64  83 SE6       29.95F TC  21
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311300-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     SUNNY     66  64  94 E3        29.99  TC  19
$$

ILZ067-068-072-073-078-083-087-091-311300-
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
$$