Regional Weather Roundup
Issued by NWS

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598
ASUS43 KLOT 271606
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.

ILZ001-002-007-009-015-016-024-271700-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         SUNNY     30  19  63 NW17G26   30.35R WCI  18 TC  -1
STERLING*      SUNNY     31  20  63 NW16G23   30.32R WCI  20 TC  -1
$$

ILZ003-004-008-010-011-017-018-271700-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTSUNNY   30  17  58 NW16      30.29R WCI  19 TC  -1
DE KALB*       MOSUNNY   28  17  63 NW14G23   30.26R WCI  17 TC  -2
PERU*          SUNNY     31  19  59 W17G24    30.31R WCI  20 TC   0
$$

ILZ005-006-012>014-019>023-271700-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTSUNNY   30  13  49 NW16G30   30.23R WCI  19 TC  -1
CHICAGO-MIDWAY MOSUNNY   30  13  49 NW18G32   30.24R WCI  18 TC  -1
AURORA         MOSUNNY   30  18  60 NW18      30.26R WCI  18 TC  -1
JOLIET*        PTSUNNY   32  18  55 NW16      30.28R WCI  21 TC   0
WAUKEGAN       PTSUNNY   29  15  56 NW14G25   30.20R WCI  18 TC  -2
DUPAGE AIRPORT MOSUNNY   29  16  58 NW17G25   30.24R WCI  17 TC  -2
WHEELING       PTSUNNY   30  14  51 NW16G30   30.24R WCI  19 TC  -1
MORRIS*        MOSUNNY   31  20  62 NW18G30   30.28R WCI  19 TC   0
ROMEOVILLE*    MOSUNNY   30  16  55 W14G29    30.27R WCI  20 TC  -1
LANSING*       CLOUDY    30  12  46 NW15G21   30.25R WCI  19 TC  -1
NORTHERLY ISL*   N/A     30  16  56 NW20        N/A  WCI  18 TC  -1
$$

LMZ740>746-271700-
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  310/ 25/ 33 1021.6R
HARRISON CRIB              30     310/ 18/ 23   N/A
NORTHERLY ISL              29     330/ 15/ 20   N/A
CALUMET HARBOR             29     270/  9/ 14 1023.2R
BURNS HARBOR               32     290/ 11/ 18 1023.0R
MICHIGAN CITY              31     290/ 25/ 28 1022.7R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-271700-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         SUNNY     30  19  63 NW14      30.42R WCI  19 TC  -1
GALESBURG*     SUNNY     30  24  80 NW14G22     N/A  WCI  19 TC  -1
MACOMB*        SUNNY     31  20  64 NW15G21   30.42R WCI  20 TC   0
JACKSONVILLE*  MOSUNNY   31  18  58 NW13      30.41R WCI  21 TC  -1
PITTSFIELD*    SUNNY     31  20  62 NW13G20   30.44R WCI  22 TC   0
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-271700-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        SUNNY     31  18  57 NW17G28   30.31R WCI  20 TC   0
BLOOMINGTON    SUNNY     31  20  63 NW17      30.33R WCI  19 TC  -1
DECATUR        MOSUNNY   32  18  56 NW17G25   30.35R WCI  21 TC   0
PEORIA         SUNNY     31  17  56 NW14      30.36R WCI  21 TC  -1
LACON*         MOSUNNY   30  17  58 NW10G17   30.34R WCI  21 TC  -1
LINCOLN*       SUNNY     33  15  48 NW9G16    30.37R WCI  25 TC   0
SPRINGFIELD    SUNNY     31  18  58 NW10G23   30.38R WCI  22 TC  -1
TAYLORVILLE    PTSUNNY   32  20  62 W9        30.39R WCI  24 TC   0
$$

ILZ033-039-045-046-055>057-062-063-271700-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      MOSUNNY   31  17  56 NW22      30.32R WCI  18 TC  -1
RANTOUL*       MOSUNNY   31  17  57 NW20G29   30.30S WCI  19 TC  -1
MATTOON        CLOUDY    30  18  60 NW18G25   30.34R WCI  18 TC  -1
PARIS*         CLOUDY    30  18  62 NW16G23   30.33R WCI  18 TC  -1
$$

ILZ079-100>102-271700-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          PTSUNNY   32  19  59 NW17      30.42R WCI  21 TC   0
BELLEVILLE     CLOUDY    35  21  58 NW18G25   30.41R WCI  24 TC   1
CAHOKIA*       PTSUNNY   32  21  64 NW13      30.43R WCI  22 TC   0
SPARTA*        MOSUNNY   32  22  66 NW9G16    30.43R WCI  24 TC   0
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271700-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     SUNNY     36  24  62 N13G21    30.41R WCI  27 TC   2
CAIRO*         SUNNY     40  22  49 NW10G17   30.42R TC   4
EFFINGHAM*     CLOUDY    31  20  63 W14       30.39S WCI  20 TC  -1
MARION         MOSUNNY   37  21  52 NW14G23   30.40R WCI  29 TC   3
MT. VERNON     PTSUNNY  N/A N/A N/A VRB7      30.40R
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    33  22  63 NW13      30.39R WCI  24 TC   1
METROPOLIS*    SUNNY     39  18  43 NW12      30.40R WCI  31 TC   4
$$

ILZ067-068-072-073-078-083-087-091-271700-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    33  21  61 NW16      30.36R WCI  23 TC   1
FLORA*         CLOUDY    32  21  64 NW17      30.38R WCI  21 TC   0
FAIRFIELD*     PTSUNNY   33  21  59 NW7       30.39R WCI  27 TC   1
HARRISBURG*    CLOUDY    35  23  59 NW10G20   30.40R WCI  28 TC   2
ROBINSON*      CLOUDY    30  19  64 NW18      30.36R WCI  18 TC  -1
$$

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