Weather Roundup
Issued by NWS Chicago, IL

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687
NZUS59 KLOT 101406
HRRLOT

CHICAGO AREA WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CST WED DEC 10 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>023-101500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OHARE          LGT SNOW  34  31  88 NW13      29.42R FOG     WCI  25
MIDWAY         DRIZZLE   35  32  88 NW16      29.41R FOG     WCI  25
AURORA         FRZ RAIN  32  30  92 N22       29.45R FOG     WCI  19
LANSING*       CLOUDY    35  31  83 W13       29.41R WCI  27
JOLIET*        DRIZZLE   36  35  96 W10G16    29.44R
WAUKEGAN       LGT SNOW  33  31  92 N13G25    29.42R FOG     WCI  24
DUPAGE AIRPORT MIX PCPN  33  31  92 NW17G25   29.43R FOG     WCI  22
WHEELING       LGT RAIN  34  32  92 N12G23    29.42R FOG     WCI  25
MORRIS*        CLOUDY    35  33  94 W20       29.43R WCI  24
LEWIS AIRPORT* DRIZZLE   36  36 100 W20G30    29.43R FOG
NORTHERLY ISL*   N/A     35  32  88 NW10        N/A  WCI  27
$$

WIZ051-052-058>065-066-070>072-101500-
SOUTHEAST WISCONSIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MILWAUKEE      LGT SNOW  31  27  85 N20G38    29.45R FOG     WCI  19
KENOSHA*       LGT SNOW  32  28  86 N12G18    29.43R WCI  23
RACINE*        LGT SNOW  32  31  96 N20G32    29.45  VSB 1   WCI  20
BURLINGTON     CLOUDY    29  25  85 N20G28    29.47R WCI  16
WAUKESHA       LGT SNOW  28  25  86 NW9       29.48R WCI  20
WEST BEND      CLOUDY    30  28  93 N15G22    29.49R FOG     WCI  19
$$

INZ001>003-010>013-019-020-101500-
NORTHWEST INDIANA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
GARY*          CLOUDY    37  37 100 W16G24    29.38R
MICHIGAN CITY* NOT AVBL
RENSSELAER*    NOT AVBL
VALPARAISO     CLOUDY    35  34  96 W18G26    29.38R FOG     WCI  24
$$

LMZ740>746-101500-
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    1340            36  320/ 19/ 21   N/A
NORTHERLY ISL    1315            36  320/  8/ 15   N/A
CALUMET HARBOR   1330            36  260/  7/ 10  994.6R
BURNS HARBOR     1340            37  270/ 13/ 15  995.3R
MICHIGAN CITY    1340            38  270/ 28/ 31  993.2R
$$

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