Weather Roundup
Issued by NWS Chicago, IL

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989
NZUS59 KLOT 211201
HRRLOT

CHICAGO AREA WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT MON SEP 21 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.

ILZ005-006-012>014-019>023-211300-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OHARE          CLOUDY    61  54  77 E15       30.11R
6HR MIN TEMP:  61; 6HR MAX TEMP:  63; 6HR PCP: TRACE;

MIDWAY         CLOUDY    60  55  83 E15G24    30.11R
6HR MIN TEMP:  59; 6HR MAX TEMP:  61; 6HR PCP: TRACE;

AURORA         CLOUDY    60  56  86 NE13      30.10R
6HR MIN TEMP:  60; 6HR MAX TEMP:  62; 6HR PCP: TRACE;

LANSING*       RAIN      57  56  94 NE7       30.11R
JOLIET*        CLOUDY    60  59  96 NE10      30.10R
WAUKEGAN       CLOUDY    61  55  81 E15G25    30.13R
6HR MIN TEMP:  60; 6HR MAX TEMP:  62;

DUPAGE AIRPORT CLOUDY    60  55  83 E12       30.11R
6HR MIN TEMP:  59; 6HR MAX TEMP:  62;

WHEELING       CLOUDY    61  54  77 E10G18    30.14R
6HR MIN TEMP:  61; 6HR MAX TEMP:  63;

LEWIS AIRPORT* CLOUDY    59  59 100 NE14G23   30.09S
NORTHERLY ISL*   N/A     60  55  83 E17         N/A
$$

WIZ051-052-058>065-066-070>072-211300-
SOUTHEAST WISCONSIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MILWAUKEE      CLOUDY    59  53  80 E13       30.16S
6HR MIN TEMP:  59; 6HR MAX TEMP:  61;

KENOSHA*       CLOUDY    60  54  80 E13       30.16R
RACINE*        CLOUDY    60  53  77 E15       30.18R
$$

INZ001>003-010>013-019-020-211300-
NORTHWEST INDIANA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
GARY*          NOT AVBL
MICHIGAN CITY* NOT AVBL
RENSSELAER*    NOT AVBL
VALPARAISO     CLOUDY    58  56  93 E8        30.10R
$$

LMZ740>746-211300-
SOUTHERN LAKE MICHIGAN

STATION/POSITION TIME  SKY/WX   TEMP WIND        PRES    VSBY
                                AIR  DIR/SP/G
                 (UTC)          (F)  (DEG/KT/KT) (MB)    (MI)
HARRISON CRIB    NOT AVBL
NORTHERLY ISL    1115            61   70/ 16/ 20   N/A
CALUMET HARBOR   1124            60   40/ 14/ 18 1019.4
BURNS HARBOR     NOT AVBL
MICHIGAN CITY    NOT AVBL
$$

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