937
ASUS43 KLOT 212006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-212100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 36 15 42 SE9 30.40F WCI 29 TC 2
STERLING* SUNNY 32 15 49 VRB3 30.43F TC 0
SAVANNA* SUNNY 31 13 47 S6 30.41F WCI 26 TC 0
ILZ003-004-008-010-011-017-018-212100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 29 12 49 VRB7 30.44F WCI 22 TC -2
FREEPORT* SUNNY 29 15 55 S5 30.43S WCI 24 TC -1
DE KALB* SUNNY 28 14 54 CALM 30.43S TC -2
PERU* SUNNY 34 15 47 CALM 30.44F TC 1
ILZ005-006-012>014-019>023-212100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 31 6 35 SW5 30.42F WCI 26 TC -1
CHICAGO-MIDWAY SUNNY 32 8 36 SW6 30.43F WCI 26 TC 0
AURORA SUNNY 33 12 41 W5 30.43F WCI 29 TC 1
JOLIET* SUNNY 33 14 45 CALM 30.45F TC 1
WAUKEGAN SUNNY 29 6 38 CALM 30.41F TC -2
DUPAGE AIRPORT SUNNY 30 11 45 SW6 30.43S WCI 24 TC -1
KANKAKEE* SUNNY 32 16 50 W3 30.45F TC 0
WHEELING SUNNY 31 6 35 VRB6 30.44F WCI 25 TC -1
MORRIS* SUNNY 32 16 52 CALM 30.45S TC 0
ROMEOVILLE* SUNNY 32 12 43 SW5 30.45F WCI 27 TC 0
LANSING* SUNNY 32 5 32 W5 30.44F WCI 28 TC 0
NORTHERLY ISL* N/A 32 7 35 S7 N/A WCI 26 TC 0
LMZ740>746-212100-
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 31 280/ 3/ 8 N/A
CALUMET HARBOR 32 210/ 4/ 5 1030.2F
BURNS HARBOR 28 310/ 2/ 2 1031.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-212100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 42 19 39 S9 30.39F TC 6
GALESBURG* SUNNY 37 24 58 SE6 30.41F WCI 33 TC 3
MACOMB* SUNNY 39 23 51 SE12 30.43F WCI 32 TC 4
JACKSONVILLE* SUNNY 41 19 41 SE6 30.43S TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-212100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 35 14 41 CALM 30.44F TC 2
BLOOMINGTON SUNNY 38 14 37 CALM 30.44S TC 3
DECATUR SUNNY 38 17 42 SE6 30.44S WCI 33 TC 3
PEORIA SUNNY 38 13 35 S3 30.43F TC 3
LACON* SUNNY 35 13 39 CALM 30.44S TC 2
LINCOLN* SUNNY 38 15 38 S3 30.45S TC 3
SPRINGFIELD NOT AVBL
TAYLORVILLE SUNNY 40 23 50 S3 30.44F TC 4
ILZ033-039-045-046-055>057-062-063-212100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 37 16 42 E7 30.43F WCI 32 TC 3
DANVILLE* SUNNY 38 19 47 CALM 30.45S TC 3
RANTOUL* SUNNY 37 17 46 CALM 30.44S TC 3
MATTOON SUNNY 41 15 35 VRB3 30.43F TC 5
PARIS* SUNNY 38 17 42 CALM 30.45S TC 3
ILZ079-100>102-212100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 43 18 36 E6 30.43 TC 6
BELLEVILLE MOSUNNY 44 18 35 SE6 30.42F TC 7
CAHOKIA* MOSUNNY 45 17 32 SE5 30.42 TC 7
SPARTA* SUNNY 43 19 37 E6 30.43F TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 45 20 36 E9 30.42F TC 7
CAIRO* MOSUNNY 50 19 30 NE14 30.41F TC 10
EFFINGHAM* MOSUNNY 40 18 41 CALM 30.46F TC 4
MARION MOSUNNY 45 18 33 E8 30.43F TC 7
MT. VERNON SUNNY 44 18 35 VRB5 30.44F TC 7
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 44 17 33 E3 30.44F TC 7
METROPOLIS* MOSUNNY 47 16 28 CALM 30.43S TC 8
ILZ067-068-072-073-078-083-087-091-212100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 42 20 41 VRB3 30.46F TC 6
FAIRFIELD* MOSUNNY 43 16 34 SE3 30.45F TC 6
HARRISBURG* MOSUNNY 44 17 33 E6 30.45F TC 7
ROBINSON* MOSUNNY 43 18 36 SE2 30.45S TC 6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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