Regional Weather Roundup
Issued by NWS

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493
ASUS43 KLOT 162256
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT SUN AUG 16 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.

ILZ001-002-007-009-015-016-024-170000-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT RAIN  79  74  84 W9        29.98R HX  82  TC  26
$$

ILZ003-004-008-010-011-017-018-170000-
NORTH CENTRAL ILLINOIS

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

ILZ005-006-012>014-019>023-170000-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTSUNNY   85  72  65 W9        29.89F HX  91  TC  29
CHICAGO-MIDWAY NOT AVBL
AURORA         PTSUNNY   82  74  76 W8        29.92S HX  88  TC  28
WAUKEGAN       PTSUNNY   83  72  69 W8        29.89S HX  88  TC  28
DUPAGE AIRPORT PTSUNNY   83  72  69 W9        29.91S HX  88  TC  28
WHEELING       PTSUNNY   85  71  63 NW9       29.91S HX  90  TC  29
NORTHERLY ISL*   N/A     85  69  58 W5          N/A  HX  89  TC  29
$$

LMZ740>746-170000-
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            82 75  270/  8/ 12 1021.2F         1
WAUKEGAN HARBOR            83 75  290/ 10/ 12 1013.6R         1
WILMETTE BUOY              79     310/  4/  8 1016.5R         1
CHICAGO BUOY               77 75              1011.5F         1
HARRISON CRIB              81     140/  9/  9   N/A
NORTHERLY ISL              81     280/  4/  9   N/A
CALUMET HARBOR                     CALM  /  4 1012.8
MICHIGAN CITY              82     220/  2/  2 1010.9
MICH CITY BUOY             79 74  150/  2/  2   N/A           0
ST. JOSEPH BUOY            76 75  190/  4/  6 1013.6F         1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-170000-
WEST-CENTRAL ILLINOIS

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

ILZ028>032-037-038-041>044-048-051>054-059>061-170000-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PEORIA         NOT AVBL
SPRINGFIELD    CLOUDY    79  75  87 W5        29.99R HX  83  TC  26
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-170000-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-170000-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          MOSUNNY   90  75  62 VRB3      29.97F HX 100  TC  32
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170000-
SOUTH-CENTRAL ILLINOIS

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

ILZ067-068-072-073-078-083-087-091-170000-
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
$$