National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather Roundup
Issued by NWS Chicago, IL

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797
NZUS59 KLOT 211001
HRRLOT

CHICAGO AREA WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CST FRI NOV 21 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.

ILZ005-006-012>014-019>023-211100-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OHARE          CLOUDY    45  42  89 NW5       30.02S
MIDWAY         CLOUDY    47  44  90 W3        30.04R FOG
AURORA         MOCLDY    45  43  93 NW5       30.04R FOG
LANSING*       CLOUDY    45  41  86 CALM      30.04S FOG
JOLIET*        CLOUDY    48  46  91 CALM      30.05R
WAUKEGAN       MOCLDY    42  42 100 W3        30.02S FOG
DUPAGE AIRPORT MOCLDY    44  42  93 NW5       30.02S
WHEELING       MOCLDY    43  43 100 N3        30.04S
MORRIS*        CLOUDY    46  46 100 CALM      30.04S FOG
LEWIS AIRPORT* CLOUDY    46  45  93 NW5       30.05S
NORTHERLY ISL*   N/A     47  42  83 W3          N/A
$$

WIZ051-052-058>065-066-070>072-211100-
SOUTHEAST WISCONSIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MILWAUKEE      MOCLDY    43  39  86 NW5       30.01F
RACINE*        MOCLDY    42  41  96 W3        30.04S FOG
BURLINGTON     CLOUDY    38  37  97 CALM      30.03S
WAUKESHA       CLOUDY    41  36  81 NW8       30.03S
WEST BEND      CLEAR     41  39  93 W6        30.02F
$$

INZ001>003-010>013-019-020-211100-
NORTHWEST INDIANA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
GARY*          CLOUDY    46  46 100 NW3       30.03S FOG
MICHIGAN CITY* NOT AVBL
RENSSELAER*    NOT AVBL
VALPARAISO     CLOUDY    45  44  97 CALM      30.04S FOG
$$

LMZ740>746-211100-
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    0940            48  290/  6/  6   N/A
NORTHERLY ISL    0915            46  290/  2/  6   N/A
CALUMET HARBOR   0924            46  210/  2/  2 1016.6
BURNS HARBOR     0940            47  290/  3/  3 1017.6F
MICHIGAN CITY    0940            47  260/  7/  7 1016.5F
$$

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