653
ASUS43 KLOT 161201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM 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.
ILZ001-002-007-009-015-016-024-161300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 13 9 84 N3 29.96R TC -11
6HR MIN TEMP: 8; 6HR MAX TEMP: 13;
STERLING* CLEAR 12 10 92 SE3 29.98S TC -11
SAVANNA* CLEAR 12 8 85 CALM 29.97S TC -11
ILZ003-004-008-010-011-017-018-161300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 11 7 84 CALM 29.98S TC -12
6HR MIN TEMP: 8; 6HR MAX TEMP: 12;
FREEPORT* CLEAR 16 10 78 S3 29.96S TC -9
DE KALB* CLEAR 14 11 89 CALM 29.97F TC -10
PERU* CLEAR 15 10 80 SE6 29.99S WCI 7 TC -9
ILZ005-006-012>014-019>023-161300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 18 12 77 S5 29.99F WCI 11 TC -8
6HR MIN TEMP: 17; 6HR MAX TEMP: 18;
CHICAGO-MIDWAY PTCLDY 19 13 77 S6 30.00F WCI 11 TC -7
6HR MIN TEMP: 17; 6HR MAX TEMP: 19;
AURORA CLEAR 10 8 92 SE5 29.97F WCI 2 TC -12
6HR MIN TEMP: 8; 6HR MAX TEMP: 11;
JOLIET* CLEAR 16 13 88 CALM 30.02S TC -9
WAUKEGAN CLEAR 16 11 80 SW7 29.99R WCI 6 TC -9
6HR MIN TEMP: 12; 6HR MAX TEMP: 16;
DUPAGE AIRPORT CLEAR 14 12 92 S6 29.97F WCI 5 TC -10
6HR MIN TEMP: 11; 6HR MAX TEMP: 14;
WHEELING CLEAR 16 12 84 CALM 30.01S TC -9
6HR MIN TEMP: 13; 6HR MAX TEMP: 17;
MORRIS* CLEAR 15 14 95 CALM 30.00S TC -9
ROMEOVILLE* CLEAR 16 12 86 S7 30.01S WCI 6 TC -9
LANSING* CLEAR 16 8 72 S3 30.02F TC -9
NORTHERLY ISL* N/A 20 13 74 S3 N/A TC -7
LMZ740>746-161300-
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 25 190/ 10/ 11 N/A
NORTHERLY ISL 22 200/ 8/ 8 N/A
CALUMET HARBOR 19 170/ 5/ 7 1016.0
BURNS HARBOR 21 180/ 4/ 6 1017.6R
MICHIGAN CITY 19 160/ 10/ 12 1017.7F
ILZ025>027-034>036-040-047-049-050-058-095>099-161300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 27 21 78 S10 30.00S WCI 17 TC -3
GALESBURG* CLEAR 18 18 100 S6 29.98S WCI 10 TC -8
MACOMB* CLEAR 26 23 88 SW9 30.01S WCI 17 TC -3
JACKSONVILLE* CLEAR 27 22 82 S7 30.03S WCI 19 TC -3
ILZ028>032-037-038-041>044-048-051>054-059>061-161300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 16 10 79 S6 30.01S WCI 7 TC -9
BLOOMINGTON CLEAR 17 13 84 S10 30.03R WCI 5 TC -8
DECATUR CLEAR 24 16 71 SW12 30.06R WCI 13 TC -4
PEORIA CLEAR 17 13 84 S5 30.01F WCI 10 TC -8
6HR MIN TEMP: 15; 6HR MAX TEMP: 19;
LACON* CLEAR 10 7 85 CALM 30.00S TC -12
LINCOLN* CLEAR 17 11 77 S3 30.05R TC -8
SPRINGFIELD CLEAR 22 19 89 S7 30.04S WCI 13 TC -6
6HR MIN TEMP: 18; 6HR MAX TEMP: 25;
TAYLORVILLE CLEAR 22 15 74 S6 30.06S WCI 14 TC -6
6HR MIN TEMP: 21; 6HR MAX TEMP: 24;
ILZ033-039-045-046-055>057-062-063-161300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 18 12 77 S10 30.05S WCI 6 TC -8
DANVILLE* CLEAR 18 11 72 S5 30.07S WCI 11 TC -8
RANTOUL* CLEAR 14 10 81 S6 30.05R WCI 5 TC -10
MATTOON CLEAR 25 15 66 S10 30.06F WCI 15 TC -4
PARIS* CLEAR 23 14 67 SW12 30.09S WCI 12 TC -5
ILZ079-100>102-161300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 29 18 62 S9 30.08S WCI 20 TC -2
BELLEVILLE CLEAR 27 15 61 S5 30.09S WCI 22 TC -3
CAHOKIA* CLEAR 28 16 60 S3 30.09S TC -2
SPARTA* PTCLDY 31 16 54 S8 30.12F WCI 24 TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 34 18 52 S9 30.15S WCI 27 TC 1
6HR MIN TEMP: 34; 6HR MAX TEMP: 34;
EFFINGHAM* CLEAR 21 15 80 S3 30.11F TC -6
MT. VERNON PTCLDY N/A N/A N/A CALM 30.13S
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 31 18 58 S5 30.11S WCI 26 TC -1
METROPOLIS* CLOUDY 33 16 49 CALM 30.20S TC 1
ILZ067-068-072-073-078-083-087-091-161300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 31 22 69 S7 30.14R WCI 24 TC -1
FLORA* PTCLDY 25 18 74 S8 30.13R WCI 16 TC -4
FAIRFIELD* PTCLDY 30 18 61 CALM 30.14S TC -1
HARRISBURG* CLOUDY 34 17 48 S6 30.16S WCI 29 TC 1
ROBINSON* CLOUDY 28 23 80 S7 30.11F WCI 21 TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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