National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Regional Weather Roundup
Issued by NWS

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872
ASUS43 KLOT 220406
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST FRI NOV 21 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.

ILZ001-002-007-009-015-016-024-220500-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    43  35  73 N7        30.01S TC   6
STERLING*      CLOUDY    41  34  76 N5        30.02S TC   5
$$

ILZ003-004-008-010-011-017-018-220500-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       MOCLDY    36  29  75 N5        30.03S WCI  32 TC   2
DE KALB*       MOCLDY    39  34  80 N7        30.01S WCI  34 TC   4
PERU*          CLOUDY    43  40  89 N5        30.00S TC   6
$$

ILZ005-006-012>014-019>023-220500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    42  30  62 N9        29.99R TC   6
CHICAGO-MIDWAY CLOUDY    44  34  67 N9        29.99S TC   7
AURORA         CLOUDY    41  36  82 N6        29.99S TC   5
JOLIET*        CLOUDY    45  41  86 CALM      29.99S TC   7
WAUKEGAN       MOCLDY    37  28  70 NW5       30.00R WCI  33 TC   3
DUPAGE AIRPORT MOCLDY    41  33  73 N8        29.99S TC   5
WHEELING       MOCLDY    41  30  65 N9        30.01S TC   5
MORRIS*        CLOUDY    42  40  92 CALM      29.98F TC   6
ROMEOVILLE*    CLOUDY    43  37  81 N5        30.00R TC   6
LANSING*       CLOUDY    43  34  70 CALM      29.99S TC   6
NORTHERLY ISL*   N/A     44  34  67 MISG        N/A  TC   7
$$

LMZ740>746-220500-
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           45 50  360/ 12/ 16 1016.1R
WINTHROP HARBOR            43 49  280/ 10/ 12   N/A           1/ 2
WAUKEGAN HARBOR            42 48  270/ 10/ 12   N/A           1/ 4
HARRISON CRIB              45     340/ 12/ 12   N/A
NORTHERLY ISL              44     350/  6/  7   N/A
CALUMET HARBOR             45     340/  4/  7 1015.0F
BURNS HARBOR               46      10/  7/  8 1015.9F
MICHIGAN CITY              45      10/ 13/ 14 1014.9F
ST. JOSEPH BUOY            45 51  340/ 12/ 17 1015.9S         2/ 5
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-220500-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    45  43  93 NE8       30.00R TC   7
GALESBURG*     CLOUDY    42  42 100 NE6       30.01F TC   6
MACOMB*        LGT RAIN  44  43  97 NE7       30.03S TC   7
JACKSONVILLE*  CLOUDY    45  45  98 CALM      30.00R TC   7
PITTSFIELD*    CLOUDY    46  45  99 NE9       30.00F TC   8
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-220500-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    43  42  94 NE5       29.99F TC   6
BLOOMINGTON    CLOUDY    43  43 100 NE12      29.99S FOG     TC   6
DECATUR        LGT RAIN  46  44  93 N16G22    29.97S FOG     TC   8
PEORIA         LGT RAIN  44  42  93 NE6       30.00S TC   7
LACON*         MOCLDY    42  39  88 CALM      29.99F TC   6
LINCOLN*       CLOUDY    46  46 100 N5        29.99S FOG     TC   8
SPRINGFIELD    CLOUDY    46  45  96 N8        29.98S TC   8
TAYLORVILLE    DRIZZLE   46  46 100 MISG      29.98R TC   8
$$

ILZ033-039-045-046-055>057-062-063-220500-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      LGT RAIN  45  43  93 N14       29.98R FOG     TC   7
RANTOUL*       LGT RAIN  45  43  93 N8        29.99R TC   7
MATTOON        CLOUDY    48  47  96 N13       29.94R FOG     TC   9
PARIS*         DRIZZLE   47  47  97 N7        29.95R TC   9
$$

ILZ079-100>102-220500-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    52  50  93 N8        29.96R TC  11
BELLEVILLE     LGT RAIN  54  53  96 N9        29.92  TC  12
CAHOKIA*       CLOUDY    52  51  97 N13       29.95R FOG     TC  11
SPARTA*        CLOUDY    55  55 100 N8        29.93R FOG     TC  13
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220500-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     FOG       59  59 100 CALM      29.90R VSB 1/4 TC  15
CAIRO*         CLOUDY    62  59  91 SW3       29.89S TC  17
EFFINGHAM*     CLOUDY    50  50 100 N5        29.95R FOG     TC  10
MT. VERNON     CLOUDY   N/A N/A N/A NE3       29.91S HAZE
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    54  53  98 N10       29.92R FOG     TC  12
METROPOLIS*    LGT RAIN  65  64  97 CALM      29.88F TC  18
$$

ILZ067-068-072-073-078-083-087-091-220500-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  LGT RAIN  52  51  97 N6        29.91R TC  11
FLORA*         CLOUDY    52 N/A N/A N8        29.92R TC  11
FAIRFIELD*     CLOUDY    54  54  99 N7        29.90R TC  12
HARRISBURG*    MOCLDY    59  58  95 NW3       29.89F FOG     TC  15
ROBINSON*      CLOUDY    52  52 100 N10       29.91R TC  11
$$

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