851
ASUS43 KLOT 220001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CST SUN DEC 21 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-220100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 33 20 58 SE6 30.38F WCI 28 TC 1
6HR MIN TEMP: 30; 6HR MAX TEMP: 37;
STERLING* CLEAR 30 22 72 CALM 30.42S TC -1
SAVANNA* CLOUDY 28 19 69 SE6 30.41R WCI 22 TC -2
ILZ003-004-008-010-011-017-018-220100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 27 18 69 SE6 30.41S WCI 20 TC -3
6HR MIN TEMP: 24; 6HR MAX TEMP: 30;
FREEPORT* CLOUDY 27 20 76 S3 30.41S TC -3
DE KALB* CLEAR 24 17 77 CALM 30.42R TC -5
PERU* CLEAR 28 20 72 S7 30.44R WCI 21 TC -2
ILZ005-006-012>014-019>023-220100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 29 11 47 SW5 30.42R WCI 24 TC -2
6HR MIN TEMP: 27; 6HR MAX TEMP: 33;
CHICAGO-MIDWAY PTCLDY 30 12 47 S6 30.44R WCI 24 TC -1
6HR MIN TEMP: 28; 6HR MAX TEMP: 33;
AURORA CLEAR 25 17 72 S3 30.42R TC -4
6HR MIN TEMP: 25; 6HR MAX TEMP: 34;
JOLIET* CLEAR 27 16 63 CALM 30.44S TC -3
WAUKEGAN PTCLDY 26 10 50 W3 30.41R TC -3
6HR MIN TEMP: 23; 6HR MAX TEMP: 31;
DUPAGE AIRPORT CLEAR 26 14 60 S3 30.42R TC -3
6HR MIN TEMP: 25; 6HR MAX TEMP: 31;
KANKAKEE* CLEAR 28 18 65 SE5 30.46R WCI 23 TC -2
WHEELING MOCLDY 30 11 45 SW6 30.44R WCI 24 TC -1
6HR MIN TEMP: 25; 6HR MAX TEMP: 32;
MORRIS* CLEAR 29 19 66 S5 30.43S WCI 24 TC -2
ROMEOVILLE* CLEAR 28 14 54 S6 30.44S WCI 22 TC -2
LANSING* CLEAR 27 11 51 CALM 30.46R TC -3
NORTHERLY ISL* N/A 31 12 45 S5 N/A WCI 26 TC 0
LMZ740>746-220100-
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)
NORTHERLY ISL 31 200/ 5/ 6 N/A
CALUMET HARBOR 31 170/ 3/ 5 1030.0
BURNS HARBOR 32 190/ 3/ 4 1031.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-220100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 35 21 56 SE5 30.39R WCI 31 TC 2
GALESBURG* PTCLDY 32 25 76 SE8 30.40F WCI 25 TC 0
MACOMB* CLEAR 29 23 79 SE6 30.44S WCI 23 TC -2
JACKSONVILLE* CLEAR 33 22 64 SE7 30.43R WCI 26 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-220100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 29 22 72 SE6 30.45S WCI 23 TC -1
BLOOMINGTON CLEAR 27 20 75 S9 30.45R WCI 18 TC -3
DECATUR CLEAR 31 25 78 SE6 30.45S WCI 25 TC -1
PEORIA CLEAR 33 21 61 SE5 30.44S WCI 29 TC 1
6HR MIN TEMP: 29; 6HR MAX TEMP: 39;
LACON* CLEAR 29 18 65 S5 30.44R WCI 23 TC -2
LINCOLN* CLEAR 31 22 68 SE3 30.44F TC 0
SPRINGFIELD CLEAR 32 23 69 SE6 30.43F WCI 26 TC 0
6HR MIN TEMP: 32; 6HR MAX TEMP: 41;
TAYLORVILLE CLEAR 31 24 73 SE3 30.45S TC 0
6HR MIN TEMP: 31; 6HR MAX TEMP: 40;
ILZ033-039-045-046-055>057-062-063-220100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 30 21 69 SE5 30.47R WCI 25 TC -1
DANVILLE* CLEAR 31 22 71 CALM 30.47R TC -1
RANTOUL* CLEAR 30 24 77 S3 30.46R TC -1
MATTOON CLEAR 33 19 56 CALM 30.46R TC 1
PARIS* CLEAR 28 24 82 CALM 30.47S TC -2
ILZ079-100>102-220100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 32 21 64 SE6 30.44S WCI 26 TC 0
BELLEVILLE PTCLDY 34 21 59 CALM 30.44R TC 1
CAHOKIA* PTCLDY 34 19 54 CALM 30.44 TC 1
SPARTA* PTCLDY 34 19 55 CALM 30.46R TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 38 20 48 E6 30.44S WCI 33 TC 3
6HR MIN TEMP: 38; 6HR MAX TEMP: 46;
CAIRO* PTCLDY 40 22 48 NE7 30.45R TC 5
EFFINGHAM* CLEAR 30 23 75 CALM 30.48S TC -1
MARION PTCLDY 39 19 45 E5 30.45S TC 4
MT. VERNON CLEAR 30 21 69 CALM 30.46S TC -1
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 37 20 49 CALM 30.45S TC 3
METROPOLIS* CLEAR 38 16 41 CALM 30.45S HAZE TC 4
ILZ067-068-072-073-078-083-087-091-220100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 32 23 69 CALM 30.49R TC 0
FAIRFIELD* CLEAR 33 19 54 NE3 30.46S TC 1
HARRISBURG* CLEAR 35 20 53 NE5 30.47S WCI 31 TC 2
ROBINSON* CLEAR 28 23 80 S3 30.48R TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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