780  
ASUS43 KLOT 210706  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
100 AM CST TUE JAN 21 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.
 
 
ILZ001-002-007-009-015-016-024-210800-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLEAR -6 -18 56 NW16 30.61S WCI -28 TC -21  

 
 
ILZ003-004-008-010-011-017-018-210800-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLEAR -6 -20 50 W12 30.54S WCI -25 TC -21  
FREEPORT* CLEAR -7 -18 57 SW12G17 30.54S WCI -26 TC -22  
ROCHELLE* CLEAR -6 -20 51 NW10 30.54S WCI -23 TC -21  
DE KALB* CLEAR -7 -19 54 W13G18 30.51S WCI -26 TC -21  
PERU* CLEAR -3 -15 57 W10 30.58R WCI -20 TC -20  

 
 
ILZ005-006-012>014-019>023-210800-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE PTCLDY -1 -18 44 W10 30.50S WCI -17 TC -18  
CHICAGO-MIDWAY PTCLDY 1 -16 44 NW15 30.52S WCI -18 TC -17  
AURORA CLEAR -4 -13 65 W10 30.53R WCI -21 TC -20  
JOLIET* MOCLDY 1 -10 59 NW6 30.55R WCI -10 TC -17  
WAUKEGAN PTCLDY -3 -13 62 W10 30.48S WCI -20 TC -19  
DUPAGE AIRPORT CLEAR -3 -20 44 W13 30.51R WCI -22 TC -19  
KANKAKEE* CLOUDY 4 -4 69 NW10 30.54R WCI -11 TC -15  
WHEELING CLEAR N/A N/A N/A W9 30.52S  
MORRIS* PTCLDY -1 -10 65 NW12 30.55R WCI -19 TC -18  
ROMEOVILLE* CLOUDY -2 -15 55 W10 30.54R WCI -19 TC -19  
LANSING* CLOUDY 2 -8 60 W9 30.51S WCI -12 TC -16  
NORTHERLY ISL* N/A 1 -11 57 NW13 N/A WCI -16 TC -17  

 
 
LMZ740>746-210800-  
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 3 290/ 21/ 24 N/A  
NORTHERLY ISL 1 280/ 11/ 14 N/A  
CALUMET HARBOR 2 290/ 5/ 12 1031.9F  
BURNS HARBOR 6 290/ 8/ 10 1032.5F  
MICHIGAN CITY 6 250/ 13/ 17 1033.9S  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-210800-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLEAR -1 -14 53 NW10 30.64S WCI -17 TC -18  
GALESBURG* MOCLDY -5 -12 71 NW16 30.62R WCI -26 TC -20  
MACOMB* CLEAR -4 -14 61 W12 30.65S WCI -22 TC -20  
JACKSONVILLE* CLEAR 1 -14 50 NW13G20 30.64S WCI -17 TC -17  
PITTSFIELD* CLEAR 2 -10 57 NW7 30.65S WCI -11 TC -17  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-210800-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC MOCLDY 1 -10 61 MISG 30.56S TC -17  
BLOOMINGTON MOCLDY 1 -10 60 NW13 30.56R WCI -17 TC -17  
DECATUR CLOUDY 5 -10 50 NW16G23 30.59R WCI -14 TC -15  
PEORIA CLEAR -1 -13 56 NW10G20 30.61R WCI -17 TC -18  
LACON* PTCLDY -3 -16 54 NW12 30.60S WCI -21 TC -20  
LINCOLN* PTCLDY 2 -13 49 NW8 30.62R WCI -11 TC -16  
SPRINGFIELD CLEAR 2 -12 52 NW16G24 30.63R WCI -18 TC -17  
TAYLORVILLE CLEAR 3 -8 57 NW9 30.62S WCI -11 TC -16  

 
 
ILZ033-039-045-046-055>057-062-063-210800-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN LGT SNOW 6 -1 73 NW14 30.55S WCI -11 TC -14  
RANTOUL* CLOUDY 4 -2 75 NW15G24 30.55R WCI -14 TC -16  
MATTOON PTCLDY 5 -1 76 NW14 30.56S WCI -12 TC -15  
PARIS* MOCLDY 7 1 75 NW13 N/A WCI -9 TC -14  

 
 
ILZ079-100>102-210800-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON PTCLDY 7 -4 61 N7 30.65S WCI -5 TC -14  
BELLEVILLE PTCLDY 11 3 70 N14 30.63R WCI -5 TC -12  
SPARTA* CLOUDY 17 0 46 NW10G16 30.63S WCI 5 TC -8  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210800-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE PTCLDY 14 6 70 W6 30.62F WCI 5 TC -10  
CAIRO* PTCLDY 18 7 62 CALM 30.64S TC -8  
EFFINGHAM* PTCLDY 8 -1 69 NW12 30.61R WCI -7 TC -13  
MARION PTCLDY 14 3 62 SW5 30.62S WCI 6 TC -10  
MT. VERNON CLOUDY 15 4 61 VRB3 30.60F TC -9  
CENTRALIA* CLOUDY 16 1 53 NW12 30.60S WCI 2 TC -9  
SALEM* CLOUDY 14 2 59 NW15G22 30.59S WCI -2 TC -10  
METROPOLIS* PTCLDY 13 6 72 CALM 30.63F TC -10  

 
 
ILZ067-068-072-073-078-083-087-091-210800-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE CLOUDY 11 3 70 SW10 30.58F WCI -3 TC -12  
FLORA* PTCLDY 12 3 67 W8 30.60S WCI 1 TC -11  
FAIRFIELD* CLOUDY 13 3 64 SW3 30.60F TC -10  
HARRISBURG* PTCLDY 13 4 68 CALM 30.61F TC -11  

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

 
 
 
 
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