Regional Weather Roundup
Issued by NWS

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017
ASUS43 KLOT 182010
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CST TUE NOV 18 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.

ILZ001-002-007-009-015-016-024-182100-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT RAIN  45  43  93 NE12      29.88S TC   7
STERLING*      CLOUDY    43  43 100 NE14      29.92S TC   6
$$

ILZ003-004-008-010-011-017-018-182100-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       DRIZZLE   41  40  96 NE5       29.98R FOG     TC   5
DE KALB*       CLOUDY    41  40  95 E8        29.96S TC   5
PERU*          CLOUDY    45  43  94 E13       29.89F TC   7
$$

ILZ005-006-012>014-019>023-182100-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    42  38  85 E9        29.95S TC   6
CHICAGO-MIDWAY CLOUDY    43  38  82 E12       29.95S TC   6
AURORA         CLOUDY    43  39  86 E8        29.95R FOG     TC   6
JOLIET*        CLOUDY    45  42  87 E5        29.95R TC   7
WAUKEGAN       LGT RAIN  41  40  96 E15       29.98S FOG     TC   5
DUPAGE AIRPORT CLOUDY    42  39  89 NE6       29.96R TC   6
WHEELING       CLOUDY    42  40  92 E8        29.98S TC   6
MORRIS*        CLOUDY    44  42  95 E7        29.93R TC   7
ROMEOVILLE*    CLOUDY    43  41  93 E8        29.94R TC   6
LANSING*       CLOUDY    42  35  77 E10       29.94F TC   5
NORTHERLY ISL*   N/A     42  38  85 E13         N/A  TC   6
$$

LMZ740>746-182100-
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           39 50   70/ 16/ 17 1017.3R         3/ 5
WINTHROP HARBOR            43 48                N/A           3/ 6
WAUKEGAN HARBOR            43 48   90/ 14/ 19   N/A           5/ 6
HARRISON CRIB              42     110/ 17/ 18   N/A
NORTHERLY ISL              42      90/ 10/ 14   N/A
CALUMET HARBOR             42      70/  9/ 11 1013.9
BURNS HARBOR               42      90/  6/  8 1014.9R
MICHIGAN CITY              40     100/ 10/ 12 1014.4R
ST. JOSEPH BUOY            40 50   70/ 14/ 19 1015.9R         1
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-182100-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    57  46  66 N6        29.84R TC  14
GALESBURG*     CLOUDY    48  48 100 N7        29.88R TC   9
MACOMB*        PTSUNNY   53  47  79 NW6       29.88R TC  12
JACKSONVILLE*  MOSUNNY   53  50  89 E6        29.83S TC  12
PITTSFIELD*    CLOUDY    57  48  73 CALM      29.84S TC  14
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-182100-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    47  45  92 E10       29.89F TC   8
BLOOMINGTON    PTSUNNY   48  46  93 E14       29.82F TC   9
DECATUR        TSTM      52  50  93 E9        29.83F FOG     TC  11
PEORIA         PTSUNNY   51  47  86 E10G18    29.82F TC  11
LACON*         CLOUDY    47  44  89 E15G22    29.84F TC   8
LINCOLN*       MOSUNNY   52  47  83 E8        29.83F TC  11
SPRINGFIELD    PTSUNNY   51  49  92 E6        29.82R FOG     TC  11
TAYLORVILLE    CLOUDY    52  48  87 MISG      29.84F TC  11
$$

ILZ033-039-045-046-055>057-062-063-182100-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    48  46  93 CALM      29.90R TC   9
RANTOUL*       CLOUDY    48  45  87 SE3       29.89R TC   9
MATTOON        CLOUDY    51  48  89 SW5       29.84R TC  11
PARIS*         CLOUDY    49  47  95 CALM      29.85S THUNDER TC   9
$$

ILZ079-100>102-182100-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    64  55  72 N7        29.81R TC  18
BELLEVILLE     PTSUNNY   72  60  65 CALM      29.77F TC  22
CAHOKIA*       PTSUNNY   71  60  68 N7        29.78S TC  22
SPARTA*        CLOUDY    72  59  65 S8        29.81S TC  22
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182100-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     PTSUNNY   70  61  73 SW14G23   29.82S TC  21
CAIRO*         CLOUDY    71  64  79 SW10G18   29.84F TC  22
EFFINGHAM*     CLOUDY    54  52  92 E7        29.83F TC  12
MARION         PTSUNNY   70  61  73 S14       29.82F TC  21
MT. VERNON     CLOUDY   N/A N/A N/A S9        29.82F
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    67  57  71 S6        29.81F TC  19
METROPOLIS*    CLOUDY    69  62  77 S5        29.84F TC  21
$$

ILZ067-068-072-073-078-083-087-091-182100-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    52  48  86 E5        29.86S TC  11
FLORA*         CLOUDY    59  54  82 SE6       29.83S TC  15
FAIRFIELD*     CLOUDY    61  55  82 SE5       29.83F TC  16
HARRISBURG*    CLOUDY    65  58  76 SW13      29.84R TC  19
ROBINSON*      CLOUDY    50  48  93 SE9       29.84F TC  10
$$

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