830
ASUS43 KLOT 162201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-162300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 38 27 64 SW9 29.76S WCI 31 TC 3
STERLING* CLEAR 35 27 72 CALM 29.79R TC 2
SAVANNA* CLEAR 32 25 75 S9 29.75S WCI 25 TC 0
ILZ003-004-008-010-011-017-018-162300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 33 26 75 S10 29.78R WCI 25 TC 1
FREEPORT* CLEAR 33 27 79 SW16 29.76F WCI 23 TC 1
DE KALB* CLEAR 32 28 84 S14 29.79R WCI 22 TC 0
PERU* CLEAR 36 29 74 S14 29.81R WCI 27 TC 2
ILZ005-006-012>014-019>023-162300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 39 26 59 S15G25 29.76S WCI 31 TC 4
CHICAGO-MIDWAY PTCLDY 37 27 67 S18G29 29.80S WCI 27 TC 3
AURORA CLEAR 34 28 79 S15 29.79R WCI 24 TC 1
JOLIET* CLEAR 38 29 69 S14 29.83R WCI 30 TC 3
WAUKEGAN CLEAR 38 28 67 SW14 29.75R WCI 30 TC 3
DUPAGE AIRPORT CLEAR 34 27 75 S18G26 29.77S WCI 23 TC 1
WHEELING CLEAR 39 27 62 SW14G23 29.77S WCI 31 TC 4
MORRIS* CLEAR 36 30 80 S14 29.82R WCI 27 TC 2
ROMEOVILLE* PTCLDY 37 28 70 S15 29.81S WCI 28 TC 3
LANSING* CLEAR 35 24 62 S16 29.83S WCI 25 TC 2
NORTHERLY ISL* N/A 38 25 60 S14 N/A WCI 30 TC 3
LMZ740>746-162300-
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 39 200/ 23/ 26 N/A
NORTHERLY ISL 38 210/ 13/ 16 N/A
CALUMET HARBOR 38 190/ 11/ 15 1008.6
BURNS HARBOR 37 180/ 9/ 12 1010.2F
MICHIGAN CITY 37 180/ 17/ 26 1009.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-162300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 47 35 63 SW10 29.80F TC 8
GALESBURG* CLEAR 38 33 81 S7 29.80R WCI 33 TC 3
MACOMB* CLEAR 43 32 65 S9 29.81F TC 6
JACKSONVILLE* CLEAR 45 32 59 S8 29.82F TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-162300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 36 28 71 S10 29.84R WCI 29 TC 2
BLOOMINGTON CLEAR 36 28 73 S15 29.83F WCI 27 TC 2
DECATUR CLEAR 41 29 62 S12 29.86F TC 5
PEORIA CLEAR 39 29 67 S9 29.82S WCI 33 TC 4
LINCOLN* CLEAR 39 27 61 S10 29.85S WCI 32 TC 4
SPRINGFIELD CLEAR 43 30 60 S10 29.84F TC 6
TAYLORVILLE CLEAR 43 31 62 S13 29.86F TC 6
ILZ033-039-045-046-055>057-062-063-162300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 36 29 75 S16 29.87F WCI 26 TC 2
DANVILLE* CLEAR 39 29 66 S16G23 29.89F WCI 30 TC 4
RANTOUL* CLEAR 33 28 82 S14 29.87F WCI 24 TC 1
MATTOON CLEAR 43 29 57 S13 29.89F TC 6
PARIS* CLEAR 36 28 70 SE9 29.92F WCI 29 TC 2
ILZ079-100>102-162300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 50 27 40 S14 29.88F TC 10
BELLEVILLE PTCLDY 46 26 46 S15 29.90F TC 8
CAHOKIA* PTCLDY 50 30 46 S14G24 29.89 TC 10
SPARTA* CLOUDY 43 24 47 S10 29.96F TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-162300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 44 22 41 S14 30.01F TC 7
CAIRO* CLOUDY 48 24 37 S7 30.06S TC 9
EFFINGHAM* CLOUDY 46 31 57 SE14 29.93F TC 8
MARION CLOUDY 45 21 39 S10 30.02S TC 7
MT. VERNON CLOUDY N/A N/A N/A S13 29.97F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 46 26 47 S10 29.93F TC 8
METROPOLIS* CLOUDY 46 18 32 CALM 30.07S TC 8
ILZ067-068-072-073-078-083-087-091-162300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 39 29 67 S14 29.99F WCI 31 TC 4
FLORA* CLOUDY 43 27 52 S16 29.96F TC 6
FAIRFIELD* CLOUDY 43 24 46 S10 30.00S TC 6
HARRISBURG* CLOUDY 46 17 32 S9 30.03F TC 8
ROBINSON* MOCLDY 41 28 60 S14 29.96F TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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