610
ASUS43 KLOT 152001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-152100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 27 13 55 W10 30.05F WCI 17 TC -3
STERLING* MOSUNNY 22 13 68 SW8 30.07F WCI 12 TC -6
SAVANNA* MOSUNNY 24 11 58 SW6 30.05F WCI 17 TC -4
ILZ003-004-008-010-011-017-018-152100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 20 11 68 S7 30.05F WCI 11 TC -7
FREEPORT* PTSUNNY 22 12 66 SW13 30.05S WCI 10 TC -5
DE KALB* PTSUNNY 18 11 73 SW9 30.05F WCI 7 TC -8
PERU* MOSUNNY 25 11 55 SW16G22 30.06F WCI 12 TC -4
ILZ005-006-012>014-019>023-152100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 19 6 57 SW13 30.06F WCI 6 TC -7
CHICAGO-MIDWAY PTSUNNY 21 7 54 SW14G20 30.08F WCI 8 TC -6
AURORA PTSUNNY 20 10 65 SW8 30.06F WCI 10 TC -7
JOLIET* PTSUNNY 22 11 61 SW7G16 30.10S WCI 14 TC -5
WAUKEGAN PTSUNNY 19 7 59 W12 30.03F WCI 7 TC -7
DUPAGE AIRPORT PTSUNNY 19 9 65 SW12 30.06F WCI 7 TC -7
WHEELING PTSUNNY 21 7 54 SW15 30.07F WCI 8 TC -6
MORRIS* MOSUNNY 20 13 72 SW16 30.08F WCI 6 TC -6
ROMEOVILLE* SUNNY 19 10 68 SW10 30.09F WCI 8 TC -7
LANSING* MOSUNNY 19 4 53 SW14G20 30.12S WCI 5 TC -7
NORTHERLY ISL* N/A 20 7 57 S14 N/A WCI 7 TC -7
LMZ740>746-152100-
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 20 210/ 15/ 17 N/A
NORTHERLY ISL 20 180/ 8/ 15 N/A
CALUMET HARBOR 18 200/ 11/ 13 1018.7
BURNS HARBOR 20 220/ 9/ 12 1020.0F
MICHIGAN CITY 19 210/ 15/ 19 1020.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-152100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 36 19 50 SW14 30.06F WCI 27 TC 2
GALESBURG* MOSUNNY 25 19 76 S7 30.06F WCI 18 TC -4
MACOMB* MOSUNNY 32 19 57 SW9 30.08F WCI 24 TC 0
JACKSONVILLE* SUNNY 32 13 46 SW7 30.09F WCI 25 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-152100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 21 10 62 SW15 30.10F WCI 8 TC -6
BLOOMINGTON PTSUNNY 22 13 68 SW14 30.09F WCI 9 TC -6
DECATUR SUNNY 25 13 60 SW17 30.12F WCI 12 TC -4
PEORIA MOSUNNY 21 11 65 S8 30.09F WCI 11 TC -6
LACON* SUNNY 23 9 54 SW10 30.06F WCI 12 TC -5
LINCOLN* MOSUNNY 26 10 51 S7 30.11F WCI 19 TC -3
SPRINGFIELD SUNNY 28 13 53 SW10G21 30.10F WCI 19 TC -2
TAYLORVILLE SUNNY 28 16 59 S12 30.12F WCI 18 TC -2
ILZ033-039-045-046-055>057-062-063-152100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 21 12 68 S13 30.12F WCI 9 TC -6
DANVILLE* SUNNY 23 10 57 SW17G24 30.13F WCI 9 TC -5
RANTOUL* MOSUNNY 21 10 62 SW10 30.12F WCI 10 TC -6
MATTOON SUNNY 26 11 52 S17G30 30.11F WCI 13 TC -3
PARIS* SUNNY 24 11 56 S18 30.14F WCI 10 TC -4
ILZ079-100>102-152100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 39 9 28 SW14G23 30.14F WCI 31 TC 4
BELLEVILLE SUNNY 41 6 23 S16 30.15F TC 5
CAHOKIA* SUNNY 42 6 22 SW10 30.14F TC 6
SPARTA* SUNNY 37 6 27 S12G20 30.19F WCI 30 TC 3
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 35 6 29 S16 30.23F WCI 25 TC 2
EFFINGHAM* SUNNY 32 11 41 S12G17 30.18F WCI 23 TC 0
MARION SUNNY 36 5 27 S14 30.24F WCI 27 TC 2
MT. VERNON SUNNY N/A N/A N/A S16 30.20F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* SUNNY 36 8 31 SW17 30.17F WCI 26 TC 2
METROPOLIS* SUNNY 36 3 24 SW14 30.31F WCI 27 TC 2
ILZ067-068-072-073-078-083-087-091-152100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 28 11 48 S20 30.23F WCI 15 TC -2
FLORA* SUNNY 34 10 37 S21 30.19F WCI 22 TC 1
FAIRFIELD* SUNNY 35 6 30 S16 30.23F WCI 25 TC 2
HARRISBURG* SUNNY 35 1 23 SW15 30.25F WCI 25 TC 2
ROBINSON* SUNNY 28 10 47 S17 30.19F WCI 16 TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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