Regional Weather Roundup
Issued by NWS

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048
ASUS43 KLOT 150558
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT SAT AUG 15 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.

ILZ001-002-007-009-015-016-024-150700-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    73  72  96 E8        30.06S TC  23
6HR MIN TEMP:  73; 6HR MAX TEMP:  76; 6HR PCP: TRACE;

$$

ILZ003-004-008-010-011-017-018-150700-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    70  65  84 CALM      30.12F TC  21
6HR MIN TEMP:  70; 6HR MAX TEMP:  76; 6HR PCP: TRACE;

$$

ILZ005-006-012>014-019>023-150700-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    73  67  81 NE10      30.10F TC  23
6HR MIN TEMP:  73; 6HR MAX TEMP:  75; 6HR PCP: TRACE;

CHICAGO-MIDWAY NOT AVBL
AURORA         MOCLDY    72  68  87 E7        30.11F TC  22
6HR MIN TEMP:  72; 6HR MAX TEMP:  76;

WAUKEGAN       CLOUDY    73  68  84 NE8       30.11F TC  23
6HR MIN TEMP:  71; 6HR MAX TEMP:  73;

DUPAGE AIRPORT CLOUDY    72  67  84 NE6       30.11F TC  22
6HR MIN TEMP:  72; 6HR MAX TEMP:  76;

WHEELING       PTCLDY    73  68  84 NE7       30.12F TC  23
6HR MIN TEMP:  73; 6HR MAX TEMP:  74;

NORTHERLY ISL*   N/A     72  69  90 N7          N/A  TC  22
$$

LMZ740>746-150700-
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            75 74   30/ 10/ 12 1017.2R         2/ 5
WILMETTE BUOY              75      60/  8/ 10 1023.1F         3/ 5
CHICAGO BUOY               75 73              1018.4F         2/ 4
HARRISON CRIB              75      70/  9/ 10   N/A
NORTHERLY ISL              72      10/  3/  6   N/A
CALUMET HARBOR                     10/  3/  3 1020.3
MICHIGAN CITY              74      60/  5/  6 1018.4F
MICH CITY BUOY             74 74   60/  2/  4   N/A           1/ 4
ST. JOSEPH BUOY            74 75  180/  2/  4 1021.1F         1/ 4
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-150700-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-150700-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    PTCLDY    76  72  87 E10       30.04S TC  24
6HR MIN TEMP:  76; 6HR MAX TEMP:  82;

TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-150700-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-150700-
SOUTHWEST ILLINOIS

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

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150700-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL
$$

ILZ067-068-072-073-078-083-087-091-150700-
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
$$