504
ASUS43 KLOT 151703
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-151800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 19 7 59 SW12 30.14F WCI 7 TC -7
STERLING* PTSUNNY 19 9 65 SW12 30.16F WCI 7 TC -7
SAVANNA* MOSUNNY 20 6 55 SW13 30.14F WCI 8 TC -6
ILZ003-004-008-010-011-017-018-151800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 14 5 67 S12 30.15F WCI 0 TC -10
FREEPORT* MOSUNNY 15 6 69 S12 30.14F WCI 1 TC -10
DE KALB* MOSUNNY 13 6 74 S18 30.15F WCI -5 TC -11
PERU* MOSUNNY 19 7 60 SW14 30.18F WCI 5 TC -7
ILZ005-006-012>014-019>023-151800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 18 2 49 SW17G29 30.15F WCI 3 TC -8
CHICAGO-MIDWAY PTSUNNY 16 2 54 SW20G31 30.18F WCI -1 TC -9
AURORA MOSUNNY 16 6 65 SW15 30.17F WCI 1 TC -9
JOLIET* MOSUNNY 17 6 60 SW12G17 30.22F WCI 5 TC -8
WAUKEGAN MOSUNNY 16 3 56 SW15G29 30.13F WCI 1 TC -9
DUPAGE AIRPORT MOSUNNY 14 4 64 S16 30.16F WCI -2 TC -10
WHEELING MOSUNNY 17 3 54 SW18G31 30.16F WCI 1 TC -8
MORRIS* MOSUNNY 16 8 71 SW20 30.21S WCI -1 TC -9
ROMEOVILLE* SUNNY 16 5 62 S22G29 30.20F WCI -2 TC -9
LANSING* PTSUNNY 14 -1 50 S22 30.22F WCI -4 TC -10
NORTHERLY ISL* N/A 15 2 56 S20 N/A WCI -2 TC -9
LMZ740>746-151800-
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 15 210/ 23/ 27 N/A
NORTHERLY ISL 13 200/ 11/ 18 N/A
CALUMET HARBOR 12 170/ 11/ 18 1022.7
BURNS HARBOR 14 190/ 11/ 15 1023.4F
MICHIGAN CITY 11 180/ 19/ 23 1024.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-151800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 26 13 57 SW18G30 30.15F WCI 13 TC -3
GALESBURG* SUNNY 18 12 79 S13 30.16F WCI 5 TC -8
MACOMB* SUNNY 24 11 56 SW18 30.19F WCI 11 TC -4
JACKSONVILLE* SUNNY 23 9 55 S16G22 30.20F WCI 9 TC -5
ILZ028>032-037-038-041>044-048-051>054-059>061-151800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 16 6 66 S17G26 30.19F WCI 0 TC -9
BLOOMINGTON SUNNY 17 8 67 S22G29 30.20F WCI 0 TC -8
DECATUR MOSUNNY 17 7 64 S21G31 30.24F HAZE WCI 0
PEORIA SUNNY 17 7 64 S17G25 30.20F WCI 1 TC -8
LINCOLN* SNOW 19 6 57 S12G26 30.23F VSB 1/4 WCI 6
SPRINGFIELD SUNNY 19 8 62 S16G30 30.22F WCI 4 TC -7
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 13 6 74 S25G35 30.25F WCI -7 TC -11
DANVILLE* MOSUNNY 15 2 57 S20 30.27F WCI -2 TC -9
RANTOUL* FLURRIES 12 4 70 S16 30.25F WCI -4 TC -11
MATTOON MOSUNNY 16 5 62 S16G32 30.28F WCI 1 TC -9
PARIS* SUNNY 14 4 62 S15 30.32F WCI -1 TC -10
ILZ079-100>102-151800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 27 7 43 S18G25 30.31F WCI 13 TC -3
BELLEVILLE SUNNY 27 7 43 S15 30.33F WCI 15 TC -3
CAHOKIA* SUNNY 28 5 37 S13G20 30.33F WCI 17 TC -2
SPARTA* SUNNY 25 7 45 S12 30.37F WCI 15 TC -4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 27 4 37 S18G24 30.41F WCI 14 TC -3
EFFINGHAM* MOSUNNY 23 6 49 S10G17 30.35F WCI 12 TC -5
MARION SUNNY 25 7 46 S14 30.42F WCI 13 TC -4
MT. VERNON SUNNY N/A N/A N/A SW12 30.40F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 26 7 45 S13 30.35F WCI 15 TC -3
METROPOLIS* SUNNY 25 5 42 CALM 30.47F TC -4
ILZ067-068-072-073-078-083-087-091-151800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 20 7 57 S14 30.41F WCI 7 TC -7
FLORA* MOSUNNY 23 9 54 S15 30.39F WCI 10 TC -5
FAIRFIELD* SUNNY 23 8 52 S13 30.42F WCI 11 TC -5
HARRISBURG* SUNNY 25 2 36 SW10 30.42F WCI 15 TC -4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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