675
ASUS43 KLOT 161901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CST TUE DEC 16 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.
ILZ001-002-007-009-015-016-024-162000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 36 25 64 SW12 29.80F WCI 28 TC 2
STERLING* SUNNY 35 25 66 VRB3 29.83F TC 2
SAVANNA* SUNNY 33 26 73 S6 29.80F WCI 28 TC 1
ILZ003-004-008-010-011-017-018-162000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 31 24 75 S12 29.82F WCI 22 TC -1
FREEPORT* SUNNY 32 26 79 SW17 29.79F WCI 21 TC 0
DE KALB* SUNNY 29 26 86 S15 29.83F WCI 18 TC -1
PERU* SUNNY 35 27 74 S10 29.85F WCI 27 TC 2
ILZ005-006-012>014-019>023-162000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 37 25 61 SW10G21 29.82F WCI 30 TC 3
CHICAGO-MIDWAY MOSUNNY 37 25 61 SW14G24 29.86F WCI 28 TC 3
AURORA SUNNY 35 25 66 S13 29.84F WCI 26 TC 2
JOLIET* SUNNY 38 27 64 SW10 29.88F WCI 31 TC 3
WAUKEGAN SUNNY 37 27 67 SW20G25 29.78F WCI 27 TC 3
DUPAGE AIRPORT SUNNY 33 25 72 S13 29.83F WCI 24 TC 1
WHEELING SUNNY 37 25 61 SW14G22 29.84F WCI 28 TC 3
MORRIS* SUNNY 35 28 74 S14 29.88F WCI 26 TC 2
ROMEOVILLE* SUNNY 36 27 69 S15 29.89F WCI 26 TC 2
LANSING* SUNNY 33 21 60 SW18 29.90F WCI 22 TC 1
NORTHERLY ISL* N/A 37 24 60 SW10 N/A WCI 30 TC 3
LMZ740>746-162000-
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 35 200/ 19/ 21 N/A
NORTHERLY ISL 35 200/ 9/ 15 N/A
CALUMET HARBOR 36 190/ 14/ 16 1011.0F
BURNS HARBOR 36 190/ 7/ 12 1012.5F
MICHIGAN CITY 34 190/ 13/ 16 1012.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-162000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 43 31 62 S14 29.85F TC 6
GALESBURG* SUNNY 37 30 78 S9 29.85F WCI 30 TC 3
MACOMB* SUNNY 40 28 61 S10 29.87F TC 5
JACKSONVILLE* SUNNY 42 29 59 S12 29.89F TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-162000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 36 28 71 S10 29.90F WCI 29 TC 2
BLOOMINGTON SUNNY 36 26 67 S14 29.89F WCI 27 TC 2
DECATUR SUNNY 39 26 59 S15 29.93F WCI 31 TC 4
PEORIA SUNNY 37 27 67 S13 29.87F WCI 29 TC 3
LINCOLN* SUNNY 38 23 54 S9 29.91F WCI 32 TC 4
SPRINGFIELD SUNNY 40 27 59 S12 29.91F TC 4
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-162000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 34 25 69 S16 29.94F WCI 24 TC 1
DANVILLE* SUNNY 38 27 64 SW13 29.96F WCI 30 TC 3
RANTOUL* SUNNY 33 27 78 S10 29.93F WCI 24 TC 0
MATTOON SUNNY 40 26 57 S10 29.96F TC 4
PARIS* SUNNY 37 28 68 S10 29.99F WCI 30 TC 3
ILZ079-100>102-162000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 25 35 S15 29.95F TC 11
BELLEVILLE SUNNY 54 25 33 S14 29.94F TC 12
CAHOKIA* SUNNY 55 29 36 SW13G25 29.94F TC 13
SPARTA* SUNNY 47 25 41 S15G22 30.00F TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-162000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 43 21 41 S15 30.03F TC 6
EFFINGHAM* SUNNY 47 31 54 S9 29.99F TC 8
MARION CLOUDY 43 21 42 S12 30.05F TC 6
MT. VERNON SUNNY N/A N/A N/A SW16 30.01F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* SUNNY 50 27 39 S13 29.98F TC 10
METROPOLIS* CLOUDY 44 18 35 CALM 30.10F TC 7
ILZ067-068-072-073-078-083-087-091-162000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 41 30 65 S13 30.03F TC 5
FLORA* SUNNY 48 28 46 S16 30.01F TC 9
FAIRFIELD* SUNNY 47 22 37 S15 30.02F TC 8
HARRISBURG* CLOUDY 44 18 35 S13 30.06F TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page