642
ASUS43 KLOT 220210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-220300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 32 21 64 SE6 30.37F WCI 26 TC 0
STERLING* PTCLDY 30 21 69 CALM 30.42R TC -1
SAVANNA* MOCLDY 28 20 71 SE5 30.39S WCI 23 TC -2
ILZ003-004-008-010-011-017-018-220300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 27 19 72 SE5 30.41F WCI 22 TC -3
FREEPORT* CLOUDY 28 21 76 S5 30.41R WCI 22 TC -2
DE KALB* CLOUDY 26 19 76 CALM 30.41F TC -4
PERU* MOCLDY 29 22 74 SE8 30.41S WCI 22 TC -1
ILZ005-006-012>014-019>023-220300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 29 13 51 S6 30.42S WCI 23 TC -2
CHICAGO-MIDWAY MOCLDY 29 15 56 S7 30.44S WCI 22 TC -2
AURORA CLOUDY 26 19 74 S6 30.41F WCI 19 TC -3
JOLIET* CLOUDY 30 19 63 CALM 30.44F TC -1
WAUKEGAN MOCLDY 23 12 62 SW7 30.40F WCI 15 TC -5
DUPAGE AIRPORT CLOUDY 26 16 65 S6 30.40F WCI 19 TC -3
KANKAKEE* PTCLDY 27 18 68 SE6 30.46S WCI 21 TC -3
WHEELING CLOUDY 29 14 53 S6 30.43S WCI 23 TC -2
MORRIS* CLOUDY 29 21 72 SE5 30.43F WCI 24 TC -2
ROMEOVILLE* MOCLDY 28 19 69 SE6 30.44S WCI 22 TC -2
LANSING* PTCLDY 23 12 62 S7 30.45F WCI 15 TC -5
NORTHERLY ISL* N/A 31 15 52 SW6 N/A WCI 25 TC 0
LMZ740>746-220300-
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 31 170/ 6/ 8 N/A
CALUMET HARBOR 30 180/ 8/ 11 1029.9F
BURNS HARBOR 30 180/ 6/ 9 1031.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-220300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 33 20 58 SE8 30.36F WCI 26 TC 1
GALESBURG* PTCLDY 31 26 80 SE6 30.39S WCI 25 TC 0
MACOMB* PTCLDY 31 25 77 S7 30.41S WCI 24 TC 0
JACKSONVILLE* PTCLDY 31 22 67 SE9 30.41F WCI 23 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-220300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 27 22 83 SE8 30.44S WCI 18 TC -3
BLOOMINGTON CLEAR 28 23 81 S10 30.43F WCI 19 TC -2
DECATUR CLEAR 27 23 85 SE7 30.45F WCI 19 TC -3
PEORIA CLEAR 31 21 66 S5 30.41F WCI 26 TC -1
LACON* CLEAR 29 19 67 SE3 30.42R TC -2
LINCOLN* CLEAR 30 22 72 SE6 30.43F WCI 24 TC -1
SPRINGFIELD CLEAR 29 21 72 SE8 30.43F WCI 21 TC -2
TAYLORVILLE CLEAR 29 22 75 SE6 30.45F WCI 23 TC -2
ILZ033-039-045-046-055>057-062-063-220300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 25 22 88 SE6 30.47R WCI 18 TC -4
DANVILLE* CLEAR 28 22 77 E3 30.48R TC -2
RANTOUL* CLEAR 29 22 76 S5 30.46R WCI 24 TC -2
MATTOON PTCLDY 27 19 72 S3 30.46R TC -3
PARIS* CLEAR 27 25 91 CALM 30.47S TC -3
ILZ079-100>102-220300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 28 21 74 SE7 30.44F WCI 21 TC -2
BELLEVILLE PTCLDY 29 21 70 CALM 30.44S TC -1
CAHOKIA* MOCLDY 27 21 78 CALM 30.44S TC -3
SPARTA* PTCLDY 32 20 61 E6 30.46S WCI 26 TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 33 23 66 E3 30.45S TC 1
CAIRO* MOCLDY 40 23 50 NE6 30.45S TC 4
EFFINGHAM* PTCLDY 27 23 84 CALM 30.48F TC -3
MARION MOCLDY 31 19 61 E3 30.46S TC -1
MT. VERNON MOCLDY 24 21 88 CALM 30.47S TC -4
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOCLDY 35 19 52 E3 30.45F TC 2
METROPOLIS* MOCLDY 35 19 51 CALM 30.46R TC 2
ILZ067-068-072-073-078-083-087-091-220300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 28 23 81 NE3 30.49R TC -2
FAIRFIELD* PTCLDY 33 18 52 CALM 30.48R TC 1
HARRISBURG* MOCLDY 35 19 51 E5 30.47S WCI 31 TC 2
ROBINSON* PTCLDY 25 21 86 SW2 30.48R TC -4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page