940
ASUS43 KLOT 151908
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-152000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 25 11 55 SW10 30.06F WCI 15 TC -4
STERLING* MOSUNNY 22 12 65 SW12 30.08F WCI 10 TC -6
SAVANNA* MOSUNNY 23 10 56 SW10 30.06F WCI 13 TC -5
ILZ003-004-008-010-011-017-018-152000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 18 8 65 S13 30.07F WCI 5 TC -8
FREEPORT* MOSUNNY 21 12 67 SW13 30.06F WCI 9 TC -6
DE KALB* MOSUNNY 16 8 73 SW10 30.06F WCI 3 TC -9
PERU* MOSUNNY 23 10 56 SW12G20 30.09F WCI 12 TC -5
ILZ005-006-012>014-019>023-152000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 20 6 55 SW16G23 30.08F WCI 6 TC -7
CHICAGO-MIDWAY PTSUNNY 20 6 55 SW16G23 30.10F WCI 6 TC -7
AURORA MOSUNNY 18 8 65 SW12 30.08F WCI 5 TC -8
JOLIET* MOSUNNY 21 10 60 SW12G20 30.12F WCI 9 TC -6
WAUKEGAN PTSUNNY 19 6 57 W13G23 30.06F WCI 6 TC -7
DUPAGE AIRPORT MOSUNNY 18 8 65 SW18G24 30.07F WCI 2 TC -8
WHEELING MOSUNNY 20 6 55 SW10G18 30.10F WCI 9 TC -7
MORRIS* MOSUNNY 19 11 70 SW17 30.10F WCI 4 TC -7
ROMEOVILLE* SUNNY 18 9 68 SW15G26 30.11F WCI 3 TC -8
LANSING* MOSUNNY 18 2 50 SW17G23 30.13F WCI 3 TC -8
NORTHERLY ISL* N/A 19 5 54 S9 N/A WCI 8 TC -7
LMZ740>746-152000-
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 18 210/ 18/ 21 N/A
NORTHERLY ISL 18 190/ 7/ 20 N/A
CALUMET HARBOR 17 200/ 15 1019.5
BURNS HARBOR 20 210/ 7/ 13 1020.7F
MICHIGAN CITY 18 210/ 15/ 18 1021.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-152000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 35 18 49 SW17 30.08F WCI 25 TC 2
GALESBURG* SUNNY 24 17 75 S7 30.09F WCI 16 TC -4
MACOMB* SUNNY 29 16 58 SW16G22 30.10F WCI 18 TC -1
JACKSONVILLE* SUNNY 29 12 49 SW9 30.12F WCI 20 TC -2
ILZ028>032-037-038-041>044-048-051>054-059>061-152000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 19 9 63 SW14G21 30.13F WCI 6 TC -7
BLOOMINGTON SUNNY 20 11 68 SW17 30.12F WCI 5 TC -7
DECATUR SUNNY 24 11 57 SW17G26 30.15F WCI 11 TC -4
PEORIA SUNNY 20 9 62 S12 30.11F WCI 8 TC -7
LACON* MOSUNNY 21 9 58 SW12G17 30.10F WCI 9 TC -6
LINCOLN* SUNNY 24 9 52 S9 30.15F WCI 15 TC -4
SPRINGFIELD SUNNY 26 11 52 S15G25 30.14F WCI 14 TC -3
TAYLORVILLE SUNNY 26 15 62 S16 30.15F WCI 13 TC -3
ILZ033-039-045-046-055>057-062-063-152000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 19 10 68 S17 30.16F WCI 4 TC -7
DANVILLE* SUNNY 22 7 51 SW22 30.16F WCI 6 TC -5
RANTOUL* SUNNY 19 8 63 SW12 30.15F WCI 7 TC -7
MATTOON SUNNY 23 9 55 S16G30 30.15F WCI 10 TC -5
PARIS* MOSUNNY 21 9 58 S18 30.18F WCI 6 TC -6
ILZ079-100>102-152000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 36 7 30 SW18 30.17F WCI 25 TC 2
BELLEVILLE SUNNY 37 7 29 S15 30.19F WCI 27 TC 3
CAHOKIA* SUNNY 38 7 27 S13G22 30.18 WCI 30 TC 3
SPARTA* SUNNY 34 6 30 S12 30.24F WCI 25 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 33 6 32 S16 30.29F WCI 23 TC 1
EFFINGHAM* SUNNY 29 10 43 S12G20 30.22F WCI 20 TC -1
MARION SUNNY 34 3 27 S14 30.30F WCI 24 TC 1
MT. VERNON SUNNY N/A N/A N/A S16 30.25F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* SUNNY 33 9 36 S14 30.22F WCI 24 TC 1
METROPOLIS* SUNNY 33 3 28 CALM 30.35F TC 1
ILZ067-068-072-073-078-083-087-091-152000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 27 10 49 S16 30.27F WCI 15 TC -3
FLORA* SUNNY 30 10 43 S21 30.25F WCI 17 TC -1
FAIRFIELD* SUNNY 32 7 35 S16G23 30.28F WCI 21 TC 0
HARRISBURG* SUNNY 34 0 23 SW13G20 30.31F WCI 25 TC 1
ROBINSON* SUNNY 25 9 50 S15 30.25F WCI 12 TC -4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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