044
ASUS43 KLOT 220506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-220600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 32 23 69 SE7 30.33F WCI 26 TC 0
STERLING* PTCLDY 32 24 72 SE5 30.38F WCI 27 TC 0
SAVANNA* CLOUDY 32 23 68 S8 30.34F WCI 25 TC 0
ILZ003-004-008-010-011-017-018-220600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 29 21 72 SE8 30.38F WCI 21 TC -2
FREEPORT* CLOUDY 32 23 69 S10 30.36F WCI 24 TC 0
DE KALB* CLOUDY 28 22 80 CALM 30.39F TC -2
PERU* CLOUDY 31 24 74 S6 30.40F WCI 25 TC 0
ILZ005-006-012>014-019>023-220600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 30 16 56 SW7 30.40S WCI 23 TC -1
CHICAGO-MIDWAY MOCLDY 30 16 56 S8 30.42S WCI 22 TC -1
AURORA CLOUDY 30 21 69 S7 30.40S WCI 23 TC -1
JOLIET* CLOUDY 32 21 64 S3 30.43S TC 0
WAUKEGAN MOCLDY 29 17 61 SW12 30.38 WCI 19 TC -2
DUPAGE AIRPORT CLOUDY 29 20 69 S7 30.40S WCI 22 TC -2
KANKAKEE* CLOUDY 28 20 74 S3 30.44R TC -2
WHEELING MOCLDY 28 17 63 SW6 30.41F WCI 22 TC -2
MORRIS* CLOUDY 30 24 78 S5 30.41S WCI 25 TC -1
ROMEOVILLE* CLOUDY 30 21 69 S7 30.43S WCI 23 TC -1
LANSING* MOCLDY 27 15 62 S7 30.43F WCI 19 TC -3
LMZ740>746-220600-
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 31 210/ 7/ 10 N/A
CALUMET HARBOR 30 170/ 5/ 10 1029.1
BURNS HARBOR 30 180/ 6/ 8 1030.5S
ILZ025>027-034>036-040-047-049-050-058-095>099-220600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 34 19 54 S8 30.34F WCI 27 TC 1
GALESBURG* MOCLDY 31 27 84 SE6 30.36F WCI 26 TC 0
MACOMB* PTCLDY 26 23 89 SE7 30.38F WCI 18 TC -3
JACKSONVILLE* PTCLDY 32 20 63 SE8 30.38F WCI 25 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-220600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 30 24 77 SE5 30.42F WCI 25 TC -1
BLOOMINGTON PTCLDY 30 23 75 S10 30.41S WCI 21 TC -1
DECATUR CLEAR 28 20 71 SE6 30.42R WCI 22 TC -2
PEORIA PTCLDY 30 22 72 S6 30.39S WCI 24 TC -1
LACON* MOCLDY 29 21 72 CALM 30.40F TC -2
LINCOLN* CLEAR 29 20 69 SE3 30.42S TC -2
SPRINGFIELD PTCLDY 32 21 64 S9 30.39S WCI 24 TC 0
TAYLORVILLE PTCLDY 31 22 69 SE8 30.41F WCI 24 TC 0
ILZ033-039-045-046-055>057-062-063-220600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 23 19 85 E7 30.43R WCI 15 TC -5
DANVILLE* CLEAR 29 20 68 SE5 30.45R WCI 24 TC -2
RANTOUL* PTCLDY 28 21 75 SE7 30.42S WCI 21 TC -2
MATTOON CLEAR 32 20 61 SE9 30.41S WCI 24 TC 0
PARIS* CLEAR 28 20 71 E5 30.44S WCI 23 TC -2
ILZ079-100>102-220600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 29 20 69 SE5 30.41S WCI 24 TC -2
BELLEVILLE PTCLDY 29 20 69 CALM 30.41R TC -1
CAHOKIA* PTCLDY 34 19 54 SE6 30.41R WCI 29 TC 1
SPARTA* PTCLDY 34 20 56 SE7 30.42F WCI 27 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 28 23 81 CALM 30.43F TC -2
CAIRO* MOCLDY 37 23 55 E5 30.42F WCI 34 TC 3
EFFINGHAM* MOCLDY 30 22 72 E3 30.46R TC -1
MARION PTCLDY 33 19 58 CALM 30.43S TC 0
MT. VERNON PTCLDY 32 19 58 E3 30.42F TC 0
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 33 19 56 E3 30.42F TC 1
METROPOLIS* MOCLDY 31 21 66 CALM 30.43F TC 0
ILZ067-068-072-073-078-083-087-091-220600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 26 22 84 E6 30.46F WCI 19 TC -3
FAIRFIELD* PTCLDY 32 19 58 CALM 30.44F TC 0
HARRISBURG* PTCLDY 29 21 74 E3 30.43F TC -2
ROBINSON* PTCLDY 21 21 100 SE5 30.44F WCI 15 TC -6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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