876
ASUS43 KLOT 220101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-220200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 31 21 66 SE3 30.38S TC -1
STERLING* CLEAR 30 21 69 SE5 30.41F WCI 25 TC -1
SAVANNA* PTCLDY 28 19 68 SE7 30.39F WCI 21 TC -2
ILZ003-004-008-010-011-017-018-220200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 27 19 72 SE3 30.42R TC -3
FREEPORT* CLOUDY 27 22 79 S5 30.41F WCI 22 TC -3
DE KALB* CLOUDY 23 18 80 CALM 30.42R TC -5
PERU* CLOUDY 30 22 72 SE8 30.42F WCI 22 TC -1
ILZ005-006-012>014-019>023-220200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 28 12 51 SW3 30.42S TC -2
CHICAGO-MIDWAY PTCLDY 30 14 51 S8 30.44S WCI 22 TC -1
AURORA MOCLDY 24 17 74 S5 30.42S WCI 18 TC -4
JOLIET* CLEAR 28 17 65 S3 30.45S TC -2
WAUKEGAN CLEAR 24 11 57 SW3 30.41S TC -4
DUPAGE AIRPORT PTCLDY 24 15 68 CALM 30.42S TC -4
KANKAKEE* CLEAR 28 20 72 S5 30.47S WCI 22 TC -2
WHEELING CLEAR 28 12 51 SW5 30.43F WCI 23 TC -2
MORRIS* PTCLDY 28 19 71 SE6 30.43S WCI 21 TC -2
ROMEOVILLE* CLEAR 27 18 69 S6 30.44S WCI 20 TC -3
LANSING* CLEAR 24 11 57 S5 30.46R WCI 19 TC -4
NORTHERLY ISL* N/A 30 14 51 S6 N/A WCI 24 TC -1
LMZ740>746-220200-
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 31 180/ 5/ 8 N/A
CALUMET HARBOR 30 160/ 4/ 6 1030.2
BURNS HARBOR 31 190/ 4/ 6 1031.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-220200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 34 20 56 SE7 30.39S WCI 28 TC 1
GALESBURG* CLEAR 31 25 80 SE5 30.41R WCI 26 TC -1
MACOMB* CLEAR 31 24 74 SE10 30.41F WCI 22 TC 0
JACKSONVILLE* PTCLDY 30 21 68 SE8 30.43F WCI 23 TC -1
ILZ028>032-037-038-041>044-048-051>054-059>061-220200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 28 23 80 SE8 30.44F WCI 20 TC -2
BLOOMINGTON CLEAR 26 20 77 S10 30.44F WCI 16 TC -3
DECATUR CLEAR 30 21 69 S3 30.46R TC -1
PEORIA CLEAR 31 21 66 S9 30.42F WCI 23 TC -1
LACON* CLEAR 31 19 60 SE5 30.42F WCI 26 TC -1
LINCOLN* CLEAR 30 22 72 S3 30.47R TC -1
SPRINGFIELD CLEAR 30 22 72 SE6 30.45R WCI 24 TC -1
TAYLORVILLE PTCLDY 29 23 78 SE3 30.46R TC -2
ILZ033-039-045-046-055>057-062-063-220200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 27 22 81 E8 30.45F WCI 19 TC -3
DANVILLE* CLEAR 30 21 69 CALM 30.48S TC -1
RANTOUL* CLEAR 31 22 68 SE6 30.45F WCI 25 TC 0
MATTOON CLEAR 29 20 69 SE3 30.45F TC -2
PARIS* CLEAR 29 23 79 CALM 30.47F TC -2
ILZ079-100>102-220200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 30 21 69 E3 30.45R TC -1
BELLEVILLE MOCLDY 31 22 68 CALM 30.44S TC 0
CAHOKIA* MOCLDY 29 20 69 CALM 30.44S TC -2
SPARTA* MOCLDY 31 24 74 E3 30.46S TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 35 21 56 E6 30.45R WCI 30 TC 2
CAIRO* PTCLDY 41 21 44 E8 30.44F TC 5
EFFINGHAM* PTCLDY 29 23 79 CALM 30.49R TC -2
MARION PTCLDY 37 18 44 E5 30.46R WCI 34 TC 3
MT. VERNON PTCLDY 26 21 81 CALM 30.47R TC -3
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 34 20 58 CALM 30.46S TC 1
METROPOLIS* PTCLDY 37 17 45 CALM 30.46S TC 3
ILZ067-068-072-073-078-083-087-091-220200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 30 23 75 E5 30.48F WCI 25 TC -1
FAIRFIELD* PTCLDY 35 17 48 CALM 30.48R TC 2
HARRISBURG* PTCLDY 35 19 51 E3 30.47S TC 2
ROBINSON* CLEAR 28 21 74 E2 30.46F TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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