534  
ASUS43 KLOT 131656  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1100 AM CST SAT DEC 13 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.  
 
ILZ001-002-007-009-015-016-024-131800-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE HVY SNOW 6 1 80 NW9 30.33R VSB 1/4 WCI -8  
STERLING* LGT SNOW 7 1 78 W10 30.31S WCI -8 TC -14  
 
 
ILZ003-004-008-010-011-017-018-131800-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD NOT AVBL  
 
 
ILZ005-006-012>014-019>023-131800-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE CLOUDY 9 -4 55 NW10 30.23S WCI -5 TC -13  
CHICAGO-MIDWAY NOT AVBL  
AURORA CLOUDY 8 -3 61 NW12 30.24F WCI -7 TC -13  
WAUKEGAN CLOUDY 7 -6 55 NW13G18 30.21S WCI -9 TC -14  
DUPAGE AIRPORT CLOUDY 8 -4 58 NW9 30.23F WCI -5 TC -13  
WHEELING CLOUDY 10 -4 53 NW9 30.24F WCI -3 TC -12  
ROMEOVILLE* PTSUNNY 10 0 61 W9 30.26S WCI -2 TC -12  
NORTHERLY ISL* N/A 12 -1 56 NW9 N/A WCI 0 TC -11  
 
 
LMZ740>746-131800-  
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 11 300/ 13/ 17 N/A  
NORTHERLY ISL 12 260/ 11/ 14 N/A  
CALUMET HARBOR 280/ 6/ 11 1023.3  
BURNS HARBOR 16 300/ 6/ 10 1023.7R  
MICHIGAN CITY 17 290/ 20/ 22 1023.6R  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-131800-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-131800-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
DECATUR HVY SNOW 12 9 85 NW9 30.27S VSB 1/4 WCI 0  
PEORIA NOT AVBL  
SPRINGFIELD FOG 11 7 84 N9 30.30R VSB 1/2 WCI -2  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-131800-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MATTOON LGT SNOW 14 10 85 N10 30.24S VSB 3/4 WCI 1  
 
 
ILZ079-100>102-131800-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON CLOUDY 21 12 68 N9 30.28S WCI 11 TC -6  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-131800-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE CLOUDY 35 30 82 CALM 30.21S HAZE TC 2  
MARION CLOUDY 36 30 80 CALM 30.21S HAZE TC 2  
 
 
ILZ067-068-072-073-078-083-087-091-131800-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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