160
ASUS43 KLOT 211901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-212000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 33 12 41 SE6 30.42F WCI 28 TC 1
STERLING* SUNNY 30 15 53 VRB5 30.46S WCI 25 TC -1
SAVANNA* SUNNY 29 10 46 S7 30.44F WCI 21 TC -2
ILZ003-004-008-010-011-017-018-212000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 26 9 48 S5 30.45F WCI 20 TC -3
FREEPORT* SUNNY 27 13 54 SW7 30.44F WCI 20 TC -3
DE KALB* SUNNY 26 12 54 CALM 30.43F TC -3
PERU* SUNNY 32 14 47 CALM 30.45F TC 0
ILZ005-006-012>014-019>023-212000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 29 5 36 W7 30.43F WCI 22 TC -2
CHICAGO-MIDWAY SUNNY 30 7 37 W7 30.45F WCI 23 TC -1
AURORA SUNNY 31 12 45 SW5 30.44F WCI 26 TC -1
JOLIET* SUNNY 31 14 48 W3 30.46F TC 0
WAUKEGAN SUNNY 28 6 39 W8 30.42F WCI 20 TC -2
DUPAGE AIRPORT SUNNY 28 9 44 SW8 30.43F WCI 20 TC -2
KANKAKEE* SUNNY 31 14 49 W5 30.46F WCI 27 TC 0
WHEELING SUNNY 29 6 38 W8 30.45F WCI 21 TC -2
MORRIS* SUNNY 30 14 51 CALM 30.45F TC -1
ROMEOVILLE* SUNNY 30 12 47 SW3 30.46F TC -1
LANSING* SUNNY 32 6 33 W6 30.46S WCI 26 TC 0
NORTHERLY ISL* N/A 30 9 41 S5 N/A WCI 25 TC -1
LMZ740>746-212000-
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 29 220/ 5/ 9 N/A
CALUMET HARBOR 30 230/ 2/ 8 1030.6
BURNS HARBOR 27 310/ 3/ 4 1031.8F
ILZ025>027-034>036-040-047-049-050-058-095>099-212000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 41 18 39 E7 30.41F TC 5
GALESBURG* SUNNY 36 22 58 SE3 30.43F TC 2
MACOMB* SUNNY 37 20 50 SE7 30.45F WCI 31 TC 3
JACKSONVILLE* SUNNY 39 20 46 SE8 30.44F WCI 33 TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-212000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 33 14 45 CALM 30.45F TC 1
BLOOMINGTON SUNNY 37 15 40 CALM 30.44F TC 3
DECATUR SUNNY 37 17 44 E7 30.44F WCI 32 TC 3
PEORIA SUNNY 35 13 40 CALM 30.44F TC 2
LACON* SUNNY 33 11 41 CALM 30.45F TC 0
LINCOLN* SUNNY 37 16 43 SE3 30.45F TC 3
SPRINGFIELD SUNNY 38 16 40 SE5 30.44F WCI 34 TC 3
TAYLORVILLE SUNNY 38 22 53 SE6 30.45F WCI 34 TC 3
ILZ033-039-045-046-055>057-062-063-212000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 37 16 42 E6 30.45S WCI 32 TC 3
DANVILLE* SUNNY 37 19 47 NE3 30.46F TC 3
RANTOUL* SUNNY 36 15 43 CALM 30.44F TC 2
MATTOON SUNNY 38 17 42 CALM 30.44F TC 3
PARIS* SUNNY 37 17 45 CALM 30.46F TC 3
ILZ079-100>102-212000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 37 18 44 E7 30.48 WCI 32 TC 3
BELLEVILLE MOSUNNY 43 19 38 SE6 30.44F TC 6
SPARTA* MOSUNNY 42 19 40 CALM 30.46F TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 43 21 41 NE5 30.45F TC 6
CAIRO* MOSUNNY 49 22 34 E13 30.43F TC 9
EFFINGHAM* SUNNY 39 17 40 E5 30.48F TC 4
MARION PTSUNNY 43 18 36 E7 30.45F TC 6
MT. VERNON MOSUNNY 42 17 36 E5 30.46F TC 6
SALEM* MOSUNNY 42 18 39 E5 30.46F TC 5
METROPOLIS* PTSUNNY 46 15 29 CALM 30.44F TC 8
ILZ067-068-072-073-078-083-087-091-212000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 41 19 41 E7 30.47F TC 5
FAIRFIELD* MOSUNNY 42 18 37 E5 30.47F TC 6
HARRISBURG* PTSUNNY 42 18 38 E7 30.47F TC 6
ROBINSON* MOSUNNY 39 18 41 VRB1 30.46S 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