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

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503
ASUS43 KLOT 070901
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CST SUN DEC 07 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.

ILZ001-002-007-009-015-016-024-071000-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT SNOW  28  25  88 NE9       29.95R FOG     WCI  19
STERLING*      LGT SNOW  26  26 100 NE13      29.98S VSB 1   WCI  15
$$

ILZ003-004-008-010-011-017-018-071000-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       LGT SNOW  25  23  92 N7        30.02R VSB 3/4 WCI  17
DE KALB*       LGT SNOW  27  27 100 CALM      29.98S VSB 3/4 TC  -3
PERU*          CLOUDY    32  30  94 E7        29.92S FOG     WCI  25
$$

ILZ005-006-012>014-019>023-071000-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  LGT SNOW  29  28  96 NE3       29.98R VSB 3/4 TC  -2
CHICAGO-MIDWAY LGT SNOW  30  29  96 E5        29.98S VSB 1   WCI  25
AURORA         SNOW      29  28  96 NE9       29.97R VSB 1/2 WCI  20
JOLIET*        LGT SNOW  31  31  98 SE5       29.96S WCI  27 TC   0
WAUKEGAN       LGT SNOW  27  26  96 N5        29.99S FOG     WCI  22
DUPAGE AIRPORT LGT SNOW  29  28  96 N8        29.98R VSB 3/4 WCI  21
WHEELING       LGT SNOW  29  28  96 N3        30.01R VSB 3/4 TC  -2
MORRIS*        LGT SNOW  31  31 100 E6        29.94S WCI  25 TC  -1
LANSING*       LGT SNOW  29  25  86 E5        29.98F WCI  24 TC  -2
NORTHERLY ISL*   N/A     29  28  96 SE6         N/A  WCI  23 TC  -2
$$

LMZ740>746-071000-
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           32 44   70/ 12/ 14 1016.4F
HARRISON CRIB              31     180/ 11/ 12   N/A
NORTHERLY ISL              29     150/  5/  6   N/A
CALUMET HARBOR             29     110/  2/  5 1014.9F
BURNS HARBOR               29     160/  4/  5 1015.9F
MICHIGAN CITY              29     140/  6/  7 1016.2R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-071000-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    37  33  85 S7        29.87S WCI  32 TC   3
GALESBURG*     MIX PCPN  32  32 100 NW9       29.93R WCI  24 TC   0
MACOMB*        CLOUDY    31  30  95 S6        29.90S FOG     WCI  26
JACKSONVILLE*  CLOUDY    36  32  85 S7        29.91R WCI  30 TC   2
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-071000-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    32  30  94 SE5       29.94R FOG     WCI  27
BLOOMINGTON    CLOUDY    31  31 100 SE17      29.91F WCI  19 TC  -1
DECATUR        CLOUDY    35  33  92 S12       29.95R WCI  27 TC   2
PEORIA         MOCLDY    32  29  88 SE7       29.91S WCI  26 TC   0
LINCOLN*       CLOUDY    35  32  90 S10       29.92F WCI  27 TC   2
SPRINGFIELD    PTCLDY    34  32  92 S12       29.92S WCI  25 TC   1
TAYLORVILLE    CLOUDY    35  33  92 S8        29.96R FOG     WCI  28
$$

ILZ033-039-045-046-055>057-062-063-071000-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLOUDY    31  30  96 SE9       29.95S FOG     WCI  23
RANTOUL*       MOCLDY    31  29  95 SE8       29.95F FOG     WCI  23
MATTOON        CLOUDY    34  33  96 S12       29.95S FOG     WCI  25
PARIS*         CLOUDY    32  32  99 SE9       29.98F FOG     WCI  25
$$

ILZ079-100>102-071000-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    37  34  89 S8        29.94S FOG     WCI  30
BELLEVILLE     CLOUDY    39  37  90 S8        29.93F FOG     WCI  34
CAHOKIA*       MOCLDY    38  35  89 S6        29.94S WCI  33 TC   3
SPARTA*        CLOUDY    38  37  97 S8        29.97S WCI  32 TC   3
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-071000-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOCLDY    36  34  92 CALM      29.98R FOG     TC   2
CAIRO*         MOCLDY    36  35  98 CALM      29.99F TC   2
EFFINGHAM*     CLOUDY    35  35  99 SE5       29.99R FOG     WCI  31
MT. VERNON     CLOUDY   N/A N/A N/A S5        29.98S
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    38  35  87 S6        29.97S FOG     WCI  34
METROPOLIS*    PTCLDY    37  36  96 CALM      29.99F FOG     TC   3
$$

ILZ067-068-072-073-078-083-087-091-071000-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLOUDY    35  33  92 S8        30.01S FOG     WCI  29
FLORA*         MOCLDY    36  36 100 S9        29.99S FOG     WCI  29
FAIRFIELD*     CLOUDY    36  33  90 SE7       29.99S FOG     WCI  30
HARRISBURG*    MOCLDY    35  33  92 SE5       30.00F FOG     WCI  31
ROBINSON*      CLOUDY    36  36 100 S7        29.99F FOG     WCI  30
$$

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