Regional Weather Roundup
Issued by NWS

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358
ASUS43 KLOT 271710
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CST THU NOV 27 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.

ILZ001-002-007-009-015-016-024-271800-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         SUNNY     32  20  61 NW17G24   30.35S WCI  21 TC   0
STERLING*      MOSUNNY   31  20  63 W18       30.31F WCI  19 TC  -1
$$

ILZ003-004-008-010-011-017-018-271800-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTSUNNY   31  17  56 W16       30.28F WCI  20 TC  -1
DE KALB*       CLOUDY    29  19  64 W14G23    30.25F WCI  19 TC  -1
PERU*          SUNNY     33  20  59 W16G23    30.30F WCI  22 TC   0
$$

ILZ005-006-012>014-019>023-271800-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOSUNNY   31  14  49 W14G26    30.22F WCI  21 TC  -1
CHICAGO-MIDWAY MOSUNNY   31  15  52 W16G25    30.23F WCI  20 TC  -1
AURORA         MOSUNNY   31  19  61 NW20G29   30.25F WCI  19 TC  -1
JOLIET*        MOSUNNY   34  18  51 NW8G22    30.27F WCI  27 TC   1
WAUKEGAN       PTSUNNY   31  15  52 NW15G29   30.19F WCI  20 TC  -1
DUPAGE AIRPORT SUNNY     31  16  54 NW16G25   30.24S WCI  20 TC  -1
WHEELING       MOSUNNY   31  15  52 NW17G29   30.23F WCI  19 TC  -1
MORRIS*        MOSUNNY   32  21  62 NW17G24   30.27F WCI  21 TC   0
LANSING*       MOSUNNY   32  11  41 W14G23    30.24F WCI  22 TC   0
NORTHERLY ISL*   N/A     31  15  52 W14         N/A  WCI  21 TC   0
$$

LMZ740>746-271800-
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 47  300/ 25/ 33 1021.7R         9/ 7
HARRISON CRIB              30     300/ 19/ 24   N/A
NORTHERLY ISL              30     300/ 18/ 19   N/A
CALUMET HARBOR             30     270/  9/ 17 1023.3
BURNS HARBOR               32     300/  9/ 13 1023.4R
MICHIGAN CITY              31     290/ 22/ 27 1022.8R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-271800-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         SUNNY     32  20  61 NW10      30.42S WCI  24 TC   0
GALESBURG*     SUNNY     31  25  78 W15         N/A  WCI  21 TC   0
MACOMB*        SUNNY     33  22  63 W16G22    30.42S WCI  22 TC   1
JACKSONVILLE*  SUNNY     33  19  55 W15       30.40F WCI  23 TC   1
PITTSFIELD*    SUNNY     33  20  57 NW9G18    30.43F WCI  26 TC   1
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-271800-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        SUNNY     32  19  58 NW17G23   30.30F WCI  21 TC   0
BLOOMINGTON    SUNNY     33  19  56 NW17      30.32F WCI  22 TC   1
DECATUR        SUNNY     33  18  53 NW20G28   30.35S WCI  21 TC   1
PEORIA         SUNNY     32  17  54 W16G26    30.35F WCI  21 TC   0
LACON*         SUNNY     32  17  54 NW15G21   30.33F WCI  22 TC   0
LINCOLN*       SUNNY     35  16  45 W7        30.36F WCI  30 TC   2
SPRINGFIELD    SUNNY     33  19  56 W14       30.38S WCI  23 TC   1
TAYLORVILLE    SUNNY     32  20  61 W15       30.38S WCI  22 TC   0
$$

ILZ033-039-045-046-055>057-062-063-271800-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      SUNNY     33  18  53 W18       30.31F WCI  22 TC   1
RANTOUL*       SUNNY     33  19  57 W17G23    30.30S WCI  21 TC   0
MATTOON        MOSUNNY   32  19  58 NW16G26   30.33F WCI  21 TC   0
PARIS*         CLOUDY    31  19  59 NW15G21   30.32F WCI  20 TC   0
$$

ILZ079-100>102-271800-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          MOSUNNY   34  19  55 N14       30.43R WCI  24 TC   1
BELLEVILLE     SUNNY     37  21  52 NW16      30.41  WCI  28 TC   3
CAHOKIA*       SUNNY     35  21  56 N14       30.43F WCI  26 TC   2
SPARTA*        MOSUNNY   34  22  61 NW10G16   30.43S WCI  26 TC   1
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271800-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     SUNNY     36  23  59 N12G20    30.41S WCI  28 TC   2
CAIRO*         SUNNY     42  24  48 NW12      30.42S TC   6
EFFINGHAM*     MOSUNNY   33  20  60 W14G22    30.39F WCI  23 TC   0
MARION         MOSUNNY   37  23  56 NW14G25   30.40S WCI  29 TC   3
MT. VERNON     PTSUNNY  N/A N/A N/A VRB6      30.40S
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    35  23  61 NW14      30.39S WCI  25 TC   2
METROPOLIS*    SUNNY     40  19  44 N12       30.40S TC   4
$$

ILZ067-068-072-073-078-083-087-091-271800-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    32  20  61 NW15      30.37R WCI  22 TC   0
FLORA*         PTSUNNY   34  21  60 NW17      30.39S WCI  23 TC   1
FAIRFIELD*     MOSUNNY   34  19  55 NW10      30.39S WCI  26 TC   1
HARRISBURG*    MOSUNNY   37  23  56 NW14      30.40S WCI  28 TC   3
ROBINSON*      CLOUDY    30  21  69 NW14G22   30.36S WCI  20 TC  -1
$$

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