338
ASUS43 KLOT 211410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-211500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 16 9 74 SW5 30.43R WCI 9 TC -9
STERLING* CLEAR 16 9 74 S3 30.43R TC -9
SAVANNA* CLEAR 14 6 72 SW3 30.42R TC -10
ILZ003-004-008-010-011-017-018-211500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 13 5 70 CALM 30.41R TC -11
FREEPORT* CLEAR 13 6 74 CALM 30.40R TC -11
DE KALB* CLEAR 14 7 73 CALM 30.40R TC -10
PERU* CLEAR 19 9 64 CALM 30.43R TC -7
ILZ005-006-012>014-019>023-211500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 17 4 56 NW5 30.39R WCI 10 TC -8
CHICAGO-MIDWAY PTCLDY 19 5 54 NW6 30.41R WCI 11 TC -7
AURORA CLEAR 12 8 84 CALM 30.41R TC -11
JOLIET* CLEAR 19 13 76 CALM 30.44R TC -7
WAUKEGAN CLEAR 14 2 58 W5 30.39R WCI 6 TC -10
DUPAGE AIRPORT CLEAR 13 5 70 N5 30.39R WCI 5 TC -11
KANKAKEE* CLEAR 19 12 72 W8 30.44R WCI 9 TC -7
WHEELING CLEAR 17 5 59 NW3 30.42R TC -8
MORRIS* CLEAR 15 11 82 CALM 30.43R TC -9
ROMEOVILLE* CLEAR 18 9 68 W5 30.42R WCI 11 TC -8
LANSING* CLEAR 18 6 59 W5 30.41R WCI 11 TC -8
NORTHERLY ISL* N/A 21 6 52 NW6 N/A WCI 14 TC -6
LMZ740>746-211500-
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 21 300/ 5/ 9 N/A
CALUMET HARBOR 20 280/ 3/ 6 1028.5
BURNS HARBOR 26 340/ 4/ 8 1029.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-211500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 26 17 68 E5 30.42S WCI 20 TC -3
GALESBURG* PTCLDY 16 14 93 CALM 30.45R TC -9
MACOMB* MOCLDY 19 16 88 CALM 30.46S TC -7
JACKSONVILLE* MOCLDY 23 17 77 CALM 30.45R TC -5
ILZ028>032-037-038-041>044-048-051>054-059>061-211500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 18 13 79 CALM 30.44R TC -8
BLOOMINGTON PTCLDY 20 15 81 W3 30.44R TC -7
DECATUR PTCLDY 25 16 68 N5 30.45R WCI 19 TC -4
PEORIA PTCLDY 19 12 74 CALM 30.45R TC -7
LACON* CLEAR 15 9 77 CALM 30.44R TC -10
LINCOLN* MOCLDY 25 13 62 CALM 30.46R TC -4
SPRINGFIELD MOCLDY 24 18 77 CALM 30.45R TC -4
TAYLORVILLE PTCLDY 24 19 82 N3 30.45S TC -4
ILZ033-039-045-046-055>057-062-063-211500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 20 16 84 W6 30.44R WCI 12 TC -7
DANVILLE* PTCLDY 23 15 73 W5 30.45R WCI 17 TC -5
RANTOUL* PTCLDY 20 14 76 W5 30.44R WCI 14 TC -6
MATTOON PTCLDY 24 19 81 NW7 30.43R WCI 16 TC -4
PARIS* PTCLDY 25 16 69 NW7 30.44R WCI 17 TC -4
ILZ079-100>102-211500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 28 18 64 CALM 30.45R TC -2
BELLEVILLE MOCLDY 26 21 81 CALM 30.45R TC -3
CAHOKIA* MOCLDY 26 22 84 CALM 30.45R TC -3
SPARTA* MOCLDY 32 20 62 N5 30.46R WCI 27 TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 32 22 66 N3 30.44R TC 0
CAIRO* MOCLDY 37 24 59 NE7 30.44R WCI 32 TC 3
EFFINGHAM* PTCLDY 29 20 68 N6 30.46R WCI 23 TC -1
MARION MOCLDY 28 25 86 CALM 30.44R TC -2
MT. VERNON MOCLDY 29 21 72 CALM 30.46R TC -2
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 26 21 79 MISG 30.45R TC -3
METROPOLIS* MOCLDY 36 19 51 CALM 30.44R TC 2
ILZ067-068-072-073-078-083-087-091-211500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 27 20 75 N5 30.45R WCI 22 TC -3
FLORA* PTCLDY 27 23 86 CALM 30.46R TC -3
FAIRFIELD* PTCLDY 30 19 65 N3 30.45R TC -1
HARRISBURG* MOCLDY 32 22 64 CALM 30.45R TC 0
ROBINSON* PTCLDY 27 21 80 N2 30.44R TC -3
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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