Regional Weather Roundup
Issued by NWS

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088
ASUS43 KLOT 012156
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CST MON DEC 01 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.

ILZ001-002-007-009-015-016-024-012300-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT SNOW  24  22  91 E7        30.14F VSB 3/4 WCI  16
$$

ILZ003-004-008-010-011-017-018-012300-
NORTH CENTRAL ILLINOIS

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

ILZ005-006-012>014-019>023-012300-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  LGT SNOW  27  24  89 SE9       30.18F FOG     WCI  18
CHICAGO-MIDWAY NOT AVBL
AURORA         SNOW      25  24  96 SE6       30.17F VSB 1/2 WCI  18
WAUKEGAN       LGT SNOW  27  24  89 S3        30.18F FOG     TC  -3
DUPAGE AIRPORT LGT SNOW  26  24  92 S5        30.17F VSB 3/4 WCI  20
WHEELING       LGT SNOW  28  26  92 SE6       30.20F VSB 1   WCI  22
ROMEOVILLE*    SNOW      27  27 100 SE7       30.19F VSB 1/2 WCI  19
NORTHERLY ISL*   N/A     27  23  85 SE5         N/A  WCI  22 TC  -3
$$

LMZ740>746-012300-
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)
S. MID LAKE BUOY           33 46  220/ 16/ 19 1023.1
HARRISON CRIB              29     200/ 13/ 16   N/A
NORTHERLY ISL              28     180/  7       N/A
CALUMET HARBOR                    140/  5     1022.8
BURNS HARBOR               29     170/  6/  9 1023.7S
MICHIGAN CITY              30     150/  9/ 11 1023.8F
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-012300-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         LGT SNOW  23  21  92 S5        30.14F VSB 3/4 WCI  17
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-012300-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DECATUR        LGT SNOW  25  23  92 S5        30.17F FOG     WCI  19
PEORIA         NOT AVBL
SPRINGFIELD    LGT SNOW  24  22  91 S5        30.17F VSB 3/4 WCI  18
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-012300-
EAST-CENTRAL ILLINOIS

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

ILZ079-100>102-012300-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          LGT SNOW  25  23  93 SE3       30.17F TC  -4
BELLEVILLE     LGT SNOW  27  25  93 CALM      30.17F FOG     TC  -3
CAHOKIA*       LGT SNOW  27  25  93 CALM      30.17F FOG     TC  -3
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-012300-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    31  24  75 N6        30.17F WCI  25 TC  -1
MARION         CLOUDY    30  25  80 N9        30.16F WCI  22 TC  -1
$$

ILZ067-068-072-073-078-083-087-091-012300-
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
$$