531
ASUS43 KLOT 211506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM 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.
ILZ001-002-007-009-015-016-024-211600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 21 10 62 W3 30.46R TC -6
STERLING* SUNNY 20 10 65 SW5 30.48R WCI 13 TC -7
SAVANNA* SUNNY 18 7 61 SW3 30.46R TC -8
ILZ003-004-008-010-011-017-018-211600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 17 5 59 CALM 30.43R TC -8
FREEPORT* SUNNY 16 5 63 SW6 30.46R WCI 7 TC -9
DE KALB* SUNNY 17 8 67 CALM 30.43R TC -9
PERU* SUNNY 23 10 59 CALM 30.47R TC -5
ILZ005-006-012>014-019>023-211600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 19 3 49 NW5 30.42R WCI 12 TC -7
CHICAGO-MIDWAY MOSUNNY 21 7 54 W7 30.44R WCI 12 TC -6
AURORA SUNNY 20 8 60 CALM 30.44R TC -7
JOLIET* SUNNY 22 11 63 CALM 30.47R TC -5
WAUKEGAN SUNNY 16 3 56 NW8 30.41R WCI 5 TC -9
DUPAGE AIRPORT SUNNY 18 4 54 W3 30.43R TC -8
KANKAKEE* SUNNY 23 13 66 W9 30.46R WCI 13 TC -5
WHEELING SUNNY 19 4 51 NW3 30.44R TC -7
MORRIS* SUNNY 20 14 76 W5 30.45R WCI 14 TC -7
ROMEOVILLE* SUNNY 19 10 68 W7 30.46R WCI 10 TC -7
LANSING* SUNNY 22 7 52 W6 30.44R WCI 15 TC -5
NORTHERLY ISL* N/A 23 6 48 W6 N/A WCI 16 TC -5
LMZ740>746-211600-
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 22 260/ 3/ 9 N/A
CALUMET HARBOR 22 270/ 3/ 4 1029.5
BURNS HARBOR 26 310/ 5/ 7 1030.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-211600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 28 20 71 E6 30.44R WCI 22 TC -2
GALESBURG* MOSUNNY 22 19 88 CALM 30.47R TC -5
MACOMB* PTSUNNY 22 19 89 CALM 30.48R TC -5
JACKSONVILLE* PTSUNNY 28 18 67 CALM 30.47R TC -2
ILZ028>032-037-038-041>044-048-051>054-059>061-211600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 23 13 64 CALM 30.47R TC -5
BLOOMINGTON MOSUNNY 25 16 68 W3 30.46R TC -4
DECATUR MOSUNNY 30 15 53 N6 30.47R WCI 24 TC -1
PEORIA MOSUNNY 23 14 68 W3 30.47R TC -5
LACON* SUNNY 22 14 71 SW3 30.48R TC -6
LINCOLN* PTSUNNY 26 14 60 N3 30.47R TC -3
SPRINGFIELD PTSUNNY 27 19 72 CALM 30.47R TC -3
TAYLORVILLE MOSUNNY 28 20 71 N6 30.47R WCI 22 TC -2
ILZ033-039-045-046-055>057-062-063-211600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 26 18 71 NW6 30.46R WCI 19 TC -3
DANVILLE* MOSUNNY 26 15 62 NW8 30.47R WCI 18 TC -3
RANTOUL* MOSUNNY 25 15 67 W8 30.46R WCI 16 TC -4
MATTOON MOSUNNY 28 20 71 N9 30.45R WCI 19 TC -2
PARIS* MOSUNNY 28 17 62 NW6 30.47R WCI 22 TC -2
ILZ079-100>102-211600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 28 19 69 SE3 30.48R TC -2
BELLEVILLE PTSUNNY 33 20 58 E3 30.47R TC 1
CAHOKIA* PTSUNNY 31 23 72 CALM 30.48R TC -1
SPARTA* PTSUNNY 34 20 57 NE5 30.49R WCI 30 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 35 24 64 NE5 30.47R WCI 31 TC 2
CAIRO* PTSUNNY 38 25 59 NE8 30.46R WCI 32 TC 3
EFFINGHAM* MOSUNNY 31 19 61 CALM 30.49R TC -1
MARION PTSUNNY 34 23 64 N6 30.46R WCI 29 TC 1
MT. VERNON PTSUNNY 34 20 56 NE7 30.47R WCI 28 TC 1
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 32 22 64 CALM 30.48R TC 0
METROPOLIS* PTSUNNY 38 19 47 CALM 30.45R TC 3
ILZ067-068-072-073-078-083-087-091-211600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 33 19 56 N3 30.47R TC 1
FAIRFIELD* MOSUNNY 32 21 64 N5 30.48R WCI 27 TC 0
HARRISBURG* PTSUNNY 36 20 54 NE7 30.48R WCI 30 TC 2
ROBINSON* MOSUNNY 32 21 64 N9 30.46R WCI 24 TC 0
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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