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

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550
ASUS43 KLOT 070801
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.

ILZ001-002-007-009-015-016-024-070900-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         LGT SNOW  29  27  92 N8        29.94R FOG     WCI  21
STERLING*      LGT SNOW  27  27 100 N10       29.97R FOG     WCI  17
$$

ILZ003-004-008-010-011-017-018-070900-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       HVY SNOW  25  24  96 N7        30.01R VSB 1/4 WCI  17
DE KALB*       LGT SNOW  27  27 100 CALM      29.97R TC  -3
PERU*          DRIZZLE   32  31  96 E9        29.92F WCI  24 TC   0
$$

ILZ005-006-012>014-019>023-070900-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  LGT SNOW  30  28  92 SE5       29.97S FOG     WCI  25
CHICAGO-MIDWAY LGT SNOW  30  28  92 S6        29.98S FOG     WCI  24
AURORA         LGT SNOW  29  29 100 E6        29.95F VSB 1   WCI  23
JOLIET*        LGT SNOW  31  31  97 SE6       29.97F WCI  26 TC   0
WAUKEGAN       LGT SNOW  27  26  96 N3        29.99R FOG     TC  -3
DUPAGE AIRPORT LGT SNOW  29  29 100 E6        29.96S VSB 1   WCI  23
WHEELING       LGT SNOW  29  28  96 NE5       29.99S FOG     WCI  24
MORRIS*        LGT SNOW  30  30 100 SE7       29.95F WCI  23 TC  -1
ROMEOVILLE*    LGT SNOW  28  28 100 SE7       29.97F FOG     WCI  21
LANSING*       LGT SNOW  29  25  84 SE3       29.99S TC  -2
NORTHERLY ISL*   N/A     29  27  92 S2          N/A  TC  -2
$$

LMZ740>746-070900-
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           31 44   40/  8/ 12 1016.6R
HARRISON CRIB              31     200/  7/  8   N/A
NORTHERLY ISL              30     170/  2/  8   N/A
CALUMET HARBOR             29     160/  6/  7 1015.0S
BURNS HARBOR               30     190/  4/  5 1016.3S
MICHIGAN CITY              30     150/  9/ 10 1015.7S
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-070900-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    37  32  82 S7        29.87R WCI  32 TC   3
GALESBURG*     CLOUDY    32  32 100 SE8       29.88F WCI  25 TC   0
MACOMB*        CLOUDY    32  30  93 SE8       29.90S WCI  25 TC   0
JACKSONVILLE*  MOCLDY    36  31  84 SE8       29.90S WCI  29 TC   2
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-070900-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        MIX PCPN  31  29  95 SE12      29.94R WCI  21 TC  -1
BLOOMINGTON    CLOUDY    31  30  96 SE13      29.92F WCI  21 TC  -1
DECATUR        CLOUDY    34  31  88 SE8       29.93F WCI  27 TC   1
PEORIA         CLOUDY    33  29  85 SE5       29.91S WCI  29 TC   1
LINCOLN*       CLOUDY    33  29  87 CALM      29.94R TC   1
SPRINGFIELD    MOCLDY    35  31  85 SE7       29.92R WCI  29 TC   2
TAYLORVILLE    MOCLDY    36  32  88 S9        29.94R WCI  29 TC   2
$$

ILZ033-039-045-046-055>057-062-063-070900-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      MOCLDY    30  29  96 SE9       29.95F FOG     WCI  22
RANTOUL*       CLOUDY    30  28  94 E6        29.96F FOG     WCI  24
MATTOON        CLOUDY    34  32  92 S10       29.95F FOG     WCI  26
PARIS*         CLOUDY    32  32  99 S9        29.98S FOG     WCI  25
$$

ILZ079-100>102-070900-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    37  33  88 S10       29.94R FOG     WCI  29
BELLEVILLE     CLOUDY    39  36  90 SW9       29.94R WCI  33 TC   4
CAHOKIA*       CLOUDY    38  35  89 S6        29.94R WCI  33 TC   3
SPARTA*        CLOUDY    37  37  98 S9        29.96S FOG     WCI  31
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-070900-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    38  35  89 S7        29.98S FOG     WCI  33
CAIRO*         PTCLDY    37  35  96 CALM      30.00R TC   3
EFFINGHAM*     CLOUDY    35  35  99 SE5       29.99R FOG     WCI  31
MT. VERNON     CLOUDY   N/A N/A N/A S6        29.98F
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLOUDY    38  34  87 S6        29.96S FOG     WCI  33
METROPOLIS*    PTCLDY    36  35  96 CALM      30.00R FOG     TC   2
$$

ILZ067-068-072-073-078-083-087-091-070900-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  MOCLDY    36  33  89 S9        30.00S FOG     WCI  29
FLORA*         CLOUDY    36  36 100 S10       29.99S FOG     WCI  28
FAIRFIELD*     MOCLDY    36  33  90 SE7       29.99F FOG     WCI  30
HARRISBURG*    MOCLDY    36  33  90 SE5       30.01R FOG     WCI  32
ROBINSON*      CLOUDY    36  36 100 S6        30.00R FOG     WCI  31
$$

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