440  
ASUS43 KLOT 181811  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1200 PM CST WED DEC 18 2024  
 
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.
 
 
ILZ001-002-007-009-015-016-024-181900-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOSUNNY 34 23 64 NW14 30.35F WCI 25 TC 1  
6HR MIN TEMP: 30; 6HR MAX TEMP: 34;  
 

 
 
ILZ003-004-008-010-011-017-018-181900-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLOUDY 31 21 66 NW10 30.31F WCI 22 TC -1  
6HR MIN TEMP: 24; 6HR MAX TEMP: 31;  
 
FREEPORT* CLOUDY 30 23 73 NW13G20 30.32F WCI 20 TC -1  
ROCHELLE* PTSUNNY 30 22 69 NW13 30.31F WCI 20 TC -1  
DE KALB* CLOUDY 29 24 84 NW10 30.29F WCI 19 TC -2  
PERU* CLOUDY 31 26 80 NW12 30.33S WCI 22 TC 0  

 
 
ILZ005-006-012>014-019>023-181900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE CLOUDY 31 24 75 NW13 30.26F WCI 21 TC -1  
6HR MIN TEMP: 30; 6HR MAX TEMP: 34;  
 
CHICAGO-MIDWAY PTSUNNY 37 25 61 N13 30.26F WCI 29 TC 3  
6HR MIN TEMP: 32; 6HR MAX TEMP: 37;  
 
AURORA CLOUDY 30 24 78 NW12 30.28F WCI 20 TC -1  
6HR MIN TEMP: 29; 6HR MAX TEMP: 32;  
 
JOLIET* CLOUDY 35 27 73 NW10 30.29S WCI 27 TC 1  
WAUKEGAN CLOUDY 32 22 66 NW9 30.25F WCI 24 TC 0  
6HR MIN TEMP: 28; 6HR MAX TEMP: 32;  
 
DUPAGE AIRPORT CLOUDY 31 24 75 NW14 30.27F WCI 21 TC -1  
6HR MIN TEMP: 30; 6HR MAX TEMP: 34;  
 
KANKAKEE* MOSUNNY 38 28 66 NW12 30.27F WCI 31 TC 3  
WHEELING CLOUDY 31 24 75 NW7 30.28S WCI 24 TC -1  
6HR MIN TEMP: 30; 6HR MAX TEMP: 33;  
 
MORRIS* N/A 32 26 78 NW15 30.28F WCI 22 TC 0  
ROMEOVILLE* PTSUNNY 34 28 80 NW14 30.28F WCI 24 TC 1  
LANSING* SUNNY 38 23 55 NW9 30.25F WCI 31 TC 3  
NORTHERLY ISL* N/A 34 24 67 W12 N/A WCI 25 TC 1  

 
 
LMZ740>746-181900-  
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 34 350/ 20/ 21 N/A  
NORTHERLY ISL 33 300/ 11/ 15 N/A  
CALUMET HARBOR 36 310/ 5/ 10 1023.7  
BURNS HARBOR 33 330/ 7/ 10 1024.7F  
MICHIGAN CITY 34 330/ 13/ 14 1024.6S  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLOUDY 35 29 78 N10 30.39S WCI 27 TC 2  
GALESBURG* PTSUNNY 32 29 87 NW16 N/A WCI 21 TC 0  
MACOMB* CLOUDY 34 28 76 NW17 30.40F WCI 24 TC 1  
JACKSONVILLE* CLOUDY 35 32 88 NW12 30.37S WCI 27 TC 2  
PITTSFIELD* CLOUDY 36 32 85 NW16 30.39S WCI 26 TC 2  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC CLOUDY 35 28 78 MISG 30.30F TC 1  
BLOOMINGTON CLOUDY 36 28 75 NW15 30.30F WCI 26 TC 2  
DECATUR CLOUDY 38 32 79 NW10 30.30F WCI 31 TC 3  
PEORIA CLOUDY 34 26 72 NW10 30.35S WCI 26 TC 1  
6HR MIN TEMP: 32; 6HR MAX TEMP: 36;  
 
LACON* CLOUDY 32 24 72 NW12 30.34S WCI 23 TC 0  
LINCOLN* CLOUDY 36 32 85 NW7 30.33F WCI 30 TC 2  
SPRINGFIELD CLOUDY 37 32 82 N12 30.34F WCI 29 TC 3  
6HR MIN TEMP: 33; 6HR MAX TEMP: 38;  
 
TAYLORVILLE CLOUDY 36 33 87 NW12 30.33F WCI 28 TC 2  
6HR MIN TEMP: 34; 6HR MAX TEMP: 37;  
 

 
 
ILZ033-039-045-046-055>057-062-063-181900-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN CLOUDY 37 32 82 NW15 30.28S WCI 28 TC 3  
RANTOUL* CLOUDY 36 32 85 NW12 30.28S WCI 28 TC 2  
MATTOON CLOUDY 35 34 96 NW13 30.28F WCI 26 TC 2  
PARIS* CLOUDY 37 33 87 NW12 N/A WCI 29 TC 3  

 
 
ILZ079-100>102-181900-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON CLOUDY 39 34 81 N13 30.36S WCI 32 TC 4  
BELLEVILLE PTSUNNY 47 37 68 N16 30.32F TC 8  
SPARTA* PTSUNNY 47 38 69 N9G18 30.33F TC 9  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE MOSUNNY 47 37 68 N16 30.29F TC 8  
6HR MIN TEMP: 43; 6HR MAX TEMP: 47;  
 
CAIRO* CLOUDY 48 41 76 N18G24 30.27F TC 9  
EFFINGHAM* CLOUDY 41 37 84 NW13 30.30F TC 5  
MARION PTSUNNY 45 37 76 N12 30.29S TC 7  
MT. VERNON MOSUNNY 45 36 70 VRB3 30.29F TC 7  
CENTRALIA* PTSUNNY 45 37 73 N14 30.30F TC 7  
SALEM* MOSUNNY 46 38 74 N14 30.29F TC 8  
METROPOLIS* CLOUDY 46 38 73 N12G17 30.26F TC 8  

 
 
ILZ067-068-072-073-078-083-087-091-181900-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE CLOUDY 44 35 70 N17 30.24F TC 7  
FLORA* MOSUNNY 45 37 76 N13 30.28F TC 7  
FAIRFIELD* PTSUNNY 43 32 65 N13G21 30.28S TC 6  
HARRISBURG* CLOUDY 45 36 70 N12 30.27F TC 7  

 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  

 
 
 
 
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