531
ASUS43 KLOT 171210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CST WED DEC 17 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.
ILZ001-002-007-009-015-016-024-171300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 36 29 75 NW10 29.94R WCI 28 TC 2
6HR MIN TEMP: 36; 6HR MAX TEMP: 40;
STERLING* CLEAR 32 30 92 W9 29.93R WCI 24 TC 0
SAVANNA* PTCLDY 33 29 85 NW9 29.92R WCI 25 TC 1
ILZ003-004-008-010-011-017-018-171300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 32 29 88 W8 29.91R WCI 25 TC 0
6HR MIN TEMP: 31; 6HR MAX TEMP: 39;
FREEPORT* PTCLDY 32 30 91 W8 29.91R WCI 25 TC 0
DE KALB* CLEAR 33 30 91 CALM 29.89R TC 0
PERU* CLEAR 36 32 84 W10 29.91R WCI 28 TC 2
ILZ005-006-012>014-019>023-171300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 35 30 82 SW5 29.86R WCI 31 TC 2
6HR MIN TEMP: 35; 6HR MAX TEMP: 39;
CHICAGO-MIDWAY CLEAR 33 30 88 SW5 29.88R WCI 29 TC 1
6HR MIN TEMP: 33; 6HR MAX TEMP: 40;
AURORA CLEAR 28 25 88 W8 29.87R WCI 20 TC -2
6HR MIN TEMP: 28; 6HR MAX TEMP: 37;
JOLIET* CLEAR 33 32 95 CALM 29.90R TC 1
WAUKEGAN CLEAR 33 29 85 W6 29.85R WCI 28 TC 1
6HR MIN TEMP: 33; 6HR MAX TEMP: 39;
DUPAGE AIRPORT CLEAR 34 30 85 W6 29.86R WCI 29 TC 1
6HR MIN TEMP: 34; 6HR MAX TEMP: 37;
WHEELING CLEAR 36 31 82 CALM 29.87R TC 2
6HR MIN TEMP: 36; 6HR MAX TEMP: 40;
MORRIS* CLEAR 34 32 93 W8 29.88S WCI 27 TC 1
ROMEOVILLE* CLEAR 36 32 87 VRB5 29.88R WCI 32 TC 2
LANSING* CLEAR 30 25 84 SW5 29.89R WCI 25 TC -1
NORTHERLY ISL* N/A 36 30 79 W1 N/A TC 2
LMZ740>746-171300-
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 39 260/ 9/ 9 N/A
NORTHERLY ISL 38 260/ 4/ 8 N/A
CALUMET HARBOR 37 200/ 3/ 5 1011.1
BURNS HARBOR 38 210/ 4/ 6 1012.2S
MICHIGAN CITY 39 240/ 14/ 15 1011.6R
ILZ025>027-034>036-040-047-049-050-058-095>099-171300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 38 32 79 W5 29.99R WCI 34 TC 3
GALESBURG* CLEAR 34 34 99 W7 29.97R WCI 28 TC 1
MACOMB* CLEAR 34 31 90 W10 30.00R WCI 26 TC 1
JACKSONVILLE* PTCLDY 36 32 84 W6 30.00R WCI 32 TC 2
ILZ028>032-037-038-041>044-048-051>054-059>061-171300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 35 32 88 SW6 29.92R WCI 30 TC 2
BLOOMINGTON PTCLDY 37 33 85 W10 29.95R WCI 30 TC 3
DECATUR PTCLDY 37 32 82 W8 29.99R WCI 31 TC 3
PEORIA PTCLDY 37 31 78 W6 29.95R WCI 32 TC 3
6HR MIN TEMP: 36; 6HR MAX TEMP: 41;
LINCOLN* PTCLDY 36 31 85 CALM 29.97R TC 2
SPRINGFIELD CLEAR 38 33 82 SW5 29.98R WCI 34 TC 3
6HR MIN TEMP: 35; 6HR MAX TEMP: 41;
TAYLORVILLE N/A 35 31 86 SW8 29.99R WCI 28 TC 2
6HR MIN TEMP: 35; 6HR MAX TEMP: 39;
ILZ033-039-045-046-055>057-062-063-171300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 34 30 85 SW13 29.96R WCI 25 TC 1
DANVILLE* MOCLDY 37 31 79 SW8 29.97R WCI 30 TC 3
RANTOUL* MOCLDY 35 32 87 W9 29.94R WCI 28 TC 2
MATTOON MOCLDY 37 27 67 S12 29.95F WCI 29 TC 3
PARIS* MOCLDY 36 28 73 SW13 29.97F WCI 27 TC 2
ILZ079-100>102-171300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 36 29 73 S6 30.01S WCI 32 TC 2
BELLEVILLE MOCLDY 34 25 69 S3 30.01S TC 1
CAHOKIA* PTCLDY 35 25 66 CALM 30.03R TC 2
SPARTA* PTCLDY 38 25 61 S3 30.06S TC 3
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 37 26 64 SW7 30.07R WCI 32 TC 3
6HR MIN TEMP: 36; 6HR MAX TEMP: 46;
CAIRO* MOCLDY 45 29 53 SW6 30.11R TC 7
EFFINGHAM* PTCLDY 38 28 67 S8 30.02F WCI 32 TC 3
MARION MOCLDY 40 25 55 SW5 30.08R TC 4
MT. VERNON MOCLDY N/A N/A N/A S7 30.05S
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 39 28 63 SW6 30.03S WCI 35 TC 4
METROPOLIS* MOCLDY 47 25 42 CALM 30.10R TC 8
ILZ067-068-072-073-078-083-087-091-171300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 36 27 69 SW6 30.04R WCI 31 TC 2
FLORA* MOCLDY 37 27 65 SW9 30.04R WCI 31 TC 3
FAIRFIELD* MOCLDY 40 26 56 SW5 30.06R TC 5
HARRISBURG* MOCLDY 42 24 50 SW3 30.08R TC 6
ROBINSON* MOCLDY 37 28 70 SW12 30.02S WCI 30 TC 3
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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