729
ASUS43 KLOT 151801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CST MON DEC 15 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.
ILZ001-002-007-009-015-016-024-151900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 22 9 57 SW12 30.09F WCI 10 TC -6
6HR MIN TEMP: 10; 6HR MAX TEMP: 22;
STERLING* MOSUNNY 22 11 62 SW12 30.11F WCI 10 TC -6
SAVANNA* MOSUNNY 22 8 54 SW13 30.08F WCI 10 TC -5
ILZ003-004-008-010-011-017-018-151900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 17 7 64 S12 30.10F WCI 4 TC -8
6HR MIN TEMP: 7; 6HR MAX TEMP: 17;
FREEPORT* MOSUNNY 18 8 66 SW12 30.08F WCI 5 TC -8
DE KALB* MOSUNNY 15 7 72 SW17G23 30.09F WCI -2 TC -10
PERU* MOSUNNY 22 8 54 SW15 30.13F WCI 9 TC -5
ILZ005-006-012>014-019>023-151900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 18 3 52 SW18G26 30.11F WCI 2 TC -8
6HR MIN TEMP: 7; 6HR MAX TEMP: 18;
CHICAGO-MIDWAY PTSUNNY 17 4 56 SW17 30.13F WCI 1 TC -8
6HR MIN TEMP: 7; 6HR MAX TEMP: 17;
AURORA MOSUNNY 17 7 64 SW16G25 30.12F WCI 2 TC -8
6HR MIN TEMP: 4; 6HR MAX TEMP: 17;
JOLIET* MOSUNNY 19 7 60 S15 30.15F WCI 5 TC -7
WAUKEGAN MOSUNNY 18 5 57 SW16 30.09F WCI 3 TC -8
6HR MIN TEMP: 8; 6HR MAX TEMP: 18;
DUPAGE AIRPORT MOSUNNY 17 6 62 S14G23 30.11F WCI 3 TC -8
6HR MIN TEMP: 5; 6HR MAX TEMP: 17;
WHEELING MOSUNNY 18 5 57 SW9G22 30.13F WCI 7 TC -8
6HR MIN TEMP: 8; 6HR MAX TEMP: 18;
MORRIS* MOSUNNY 17 9 70 SW17 30.15F WCI 2 TC -8
ROMEOVILLE* SUNNY 18 7 62 SW18G25 30.14F WCI 2 TC -8
LANSING* MOSUNNY 15 1 52 SW18 30.17F WCI -2 TC -9
NORTHERLY ISL* N/A 18 4 54 S10 N/A WCI 6 TC -8
LMZ740>746-151900-
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)
HARRISON CRIB 17 210/ 21/ 24 N/A
NORTHERLY ISL 16 180/ 11/ 20 N/A
CALUMET HARBOR 16 190/ 11/ 20 1020.6
BURNS HARBOR 17 210/ 11/ 17 1021.7F
MICHIGAN CITY 14 190/ 14/ 17 1022.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-151900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 31 16 54 SW17G26 30.12F WCI 19 TC -1
GALESBURG* SUNNY 21 15 76 S8 30.13F WCI 12 TC -6
MACOMB* SUNNY 27 13 56 SW17 30.14F WCI 14 TC -3
JACKSONVILLE* SUNNY 26 10 52 SW15 30.15F WCI 13 TC -3
ILZ028>032-037-038-041>044-048-051>054-059>061-151900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 20 9 62 SW15G21 30.16F WCI 6 TC -7
BLOOMINGTON SUNNY 20 10 65 SW18 30.16F WCI 5 TC -7
DECATUR SUNNY 21 9 59 S20 30.18F WCI 6 TC -6
PEORIA SUNNY 18 7 62 SW14 30.16F WCI 4 TC -8
6HR MIN TEMP: 3; 6HR MAX TEMP: 18;
LACON* SUNNY 19 7 58 SW12 30.14F WCI 7 TC -7
LINCOLN* SUNNY 21 8 55 S8G16 30.18F WCI 12 TC -6
SPRINGFIELD SUNNY 22 10 60 S15G25 30.17F WCI 9 TC -6
6HR MIN TEMP: 6; 6HR MAX TEMP: 22;
TAYLORVILLE SUNNY 22 13 66 S21G29 30.19F WCI 7 TC -5
6HR MIN TEMP: 6; 6HR MAX TEMP: 22;
ILZ033-039-045-046-055>057-062-063-151900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 16 9 74 S21 30.19F WCI -1 TC -9
DANVILLE* MOSUNNY 19 4 52 S18G24 30.21F WCI 4 TC -7
RANTOUL* MOSUNNY 16 7 68 S12 30.19F WCI 3 TC -9
MATTOON MOSUNNY 20 6 55 S17G35 30.20F WCI 5 TC -7
PARIS* MOSUNNY 20 7 57 S21 30.24F WCI 4 TC -7
ILZ079-100>102-151900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 30 7 37 SW20 30.23F WCI 18 TC -1
BELLEVILLE SUNNY 31 7 36 S14 30.26F WCI 20 TC -1
SPARTA* SUNNY 30 6 35 S13 30.30F WCI 20 TC -1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 30 4 33 SW15G23 30.34F WCI 19 TC -1
6HR MIN TEMP: 11; 6HR MAX TEMP: 31;
EFFINGHAM* SUNNY 26 8 47 S10 30.28F WCI 16 TC -3
MARION SUNNY 30 7 37 S16G22 30.35F WCI 19 TC -1
MT. VERNON SUNNY N/A N/A N/A S17 30.32F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* SUNNY 30 8 39 S18G24 30.28F WCI 18 TC -1
METROPOLIS* SUNNY 31 4 33 S13 30.41F WCI 21 TC -1
ILZ067-068-072-073-078-083-087-091-151900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 24 7 48 S12 30.34F WCI 13 TC -4
FLORA* SUNNY 27 9 46 S16 30.31F WCI 14 TC -3
FAIRFIELD* SUNNY 27 8 44 S14 30.34F WCI 16 TC -3
HARRISBURG* SUNNY 31 1 27 SW15G21 30.37F WCI 20 TC 0
ROBINSON* SUNNY 23 9 54 S17 30.30F WCI 9 TC -5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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