492  
ASUS43 KLOT 181601  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1000 AM 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.
 
 
ILZ001-002-007-009-015-016-024-181700-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE PTSUNNY 32 25 75 NW17 30.38R WCI 21 TC 0  

 
 
ILZ003-004-008-010-011-017-018-181700-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLOUDY 29 23 78 NW12 30.33S WCI 19 TC -2  
FREEPORT* CLOUDY 29 25 85 NW8 30.34S WCI 21 TC -1  
DE KALB* SUNNY 28 26 91 NW13 30.31R WCI 18 TC -2  

 
 
ILZ005-006-012>014-019>023-181700-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 34 25 69 NW14 30.27R WCI 25 TC 1  
CHICAGO-MIDWAY MOSUNNY 35 24 64 NW12 30.28R WCI 27 TC 2  
AURORA MOSUNNY 32 26 78 NW16 30.29R HAZE WCI 21  
JOLIET* MOSUNNY 36 28 74 NW8 30.29S WCI 29 TC 2  
WAUKEGAN CLOUDY 31 23 72 NW10G23 30.27R WCI 22 TC -1  
DUPAGE AIRPORT PTSUNNY 33 25 72 NW12G23 30.28R WCI 24 TC 1  
WHEELING MOSUNNY 32 25 75 N12 30.29R WCI 23 TC 0  
MORRIS* N/A 33 28 81 N9G16 30.29R WCI 26 TC 1  
ROMEOVILLE* MOSUNNY 34 30 86 NW12 30.29R WCI 25 TC 1  
LANSING* MOSUNNY 36 25 65 N8 30.27R WCI 29 TC 2  
NORTHERLY ISL* N/A 34 23 64 W9 N/A WCI 27 TC 1  

 
 
LMZ740>746-181700-  
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 34 330/ 17/ 19 N/A  
NORTHERLY ISL 34 290/ 6/ 10 N/A  
CALUMET HARBOR 35 330/ 6/ 11 1023.8  
BURNS HARBOR 34 330/ 5/ 9 1025.4R  
MICHIGAN CITY 35 330/ 15/ 16 1024.1  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-181700-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLOUDY 36 31 82 N13 30.39R WCI 27 TC 2  
GALESBURG* CLOUDY 32 30 92 NW14 N/A WCI 22 TC 0  
MACOMB* CLOUDY 33 29 86 N13 30.40R WCI 24 TC 1  
JACKSONVILLE* CLOUDY 35 34 97 NW14G20 30.37R WCI 26 TC 2  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-181700-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON CLOUDY 33 30 88 N14 30.31R WCI 23 TC 1  
DECATUR CLOUDY 36 32 85 N15 30.31R FOG WCI 27  
PEORIA PTSUNNY 35 28 75 VRB7 30.34R WCI 29 TC 2  
LACON* PTSUNNY 33 26 76 N12G18 30.34R WCI 25 TC 1  
LINCOLN* CLOUDY 36 33 90 NW10G17 30.35R WCI 28 TC 2  
SPRINGFIELD CLOUDY 36 33 89 N13 30.35R WCI 27 TC 2  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-181700-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN CLOUDY 34 32 92 N14 30.28R WCI 25 TC 1  
MATTOON PTSUNNY 39 35 86 N15 30.29R WCI 31 TC 4  

 
 
ILZ079-100>102-181700-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON PTSUNNY 41 34 75 N14 30.36R TC 5  
BELLEVILLE PTSUNNY 45 36 72 N13 30.32R TC 7  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181700-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLOUDY 44 40 85 N12 30.29R TC 7  
CAIRO* CLOUDY 46 41 82 N14 30.27R TC 8  
EFFINGHAM* MOSUNNY 40 33 74 N9 30.31R TC 5  
MARION CLOUDY 43 39 87 N12 30.28R TC 6  
MT. VERNON CLOUDY 42 36 79 VRB5 30.29R TC 6  
CENTRALIA* PTSUNNY 41 34 75 N10 30.30R TC 5  
METROPOLIS* CLOUDY 44 43 94 N12G17 30.26R TC 7  

 
 
ILZ067-068-072-073-078-083-087-091-181700-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
FLORA* CLOUDY 41 34 75 N8 30.29R TC 5  
FAIRFIELD* CLOUDY 42 35 76 NW13 30.28R TC 6  
HARRISBURG* CLOUDY 44 39 85 N9G16 30.28R TC 7  

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

 
 
 
 
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