716  
ASUS43 KLOT 171910  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
100 PM 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.  
 
ILZ001-002-007-009-015-016-024-172000-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE SUNNY 38 29 70 CALM 29.96F TC 3  
STERLING* SUNNY 36 29 75 SW5 30.00F WCI 32 TC 2  
SAVANNA* SUNNY 36 28 73 S5 29.98F WCI 32 TC 2  
 
 
ILZ003-004-008-010-011-017-018-172000-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD MOSUNNY 36 29 75 S5 29.98F WCI 32 TC 2  
FREEPORT* SUNNY 35 30 81 CALM 29.99F TC 2  
DE KALB* SUNNY 35 30 83 CALM 29.99F TC 2  
PERU* MOSUNNY 38 31 75 N5 29.99F WCI 35 TC 4  
 
 
ILZ005-006-012>014-019>023-172000-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE MOSUNNY 41 30 65 VRB3 29.99S TC 5  
CHICAGO-MIDWAY PTSUNNY 41 30 65 CALM 30.00S TC 5  
AURORA MOSUNNY 39 30 70 CALM 29.98F TC 4  
JOLIET* MOSUNNY 40 32 74 CALM 30.00F TC 4  
WAUKEGAN SUNNY 38 29 70 CALM 29.97F TC 3  
DUPAGE AIRPORT SUNNY 38 30 73 CALM 29.98F TC 3  
KANKAKEE* SUNNY 38 32 78 SW3 30.02F TC 4  
WHEELING SUNNY 40 30 67 CALM 30.00F TC 4  
MORRIS* MOSUNNY 37 32 82 CALM 30.00F TC 3  
ROMEOVILLE* MOSUNNY 41 32 70 CALM 30.01S TC 5  
LANSING* SUNNY 41 27 58 CALM 30.01S TC 5  
NORTHERLY ISL* N/A 39 29 67 E3 N/A TC 4  
 
 
LMZ740>746-172000-  
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 40 350/ 1/ 1 N/A  
NORTHERLY ISL 39 40/ 3/ 6 N/A  
CALUMET HARBOR 39 50/ 5 1015.6  
BURNS HARBOR 37 280/ 4/ 4 1017.3R  
MICHIGAN CITY 36 240/ 10/ 10 1016.4S  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-172000-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY MOSUNNY 42 31 64 CALM 29.99F TC 6  
GALESBURG* MOSUNNY 37 35 90 CALM 29.98F TC 3  
MACOMB* MOSUNNY 38 31 76 CALM 30.02F TC 4  
JACKSONVILLE* PTSUNNY 42 32 69 E5 30.01F TC 6  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-172000-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PONTIAC MOSUNNY 38 31 77 CALM 30.00F TC 3  
BLOOMINGTON MOSUNNY 39 32 76 E5 30.01F TC 4  
DECATUR PTSUNNY 41 34 76 N7 30.02F TC 5  
PEORIA MOSUNNY 41 30 65 CALM 30.00F TC 5  
LINCOLN* MOSUNNY 40 30 65 CALM 30.02S TC 5  
SPRINGFIELD PTSUNNY 42 32 67 NE7 30.01F TC 6  
TAYLORVILLE PTSUNNY 45 37 75 CALM 30.01F TC 7  
 
 
ILZ033-039-045-046-055>057-062-063-172000-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN PTSUNNY 37 33 85 SW3 30.02F TC 3  
DANVILLE* PTSUNNY 43 32 65 CALM 30.03F TC 6  
RANTOUL* PTSUNNY 39 32 76 CALM 30.01F TC 4  
MATTOON PTSUNNY 44 33 65 CALM 30.01S TC 7  
PARIS* MOSUNNY 41 32 70 W6 30.04S TC 5  
 
 
ILZ079-100>102-172000-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON SUNNY 54 36 50 VRB5 30.01F TC 12  
BELLEVILLE PTSUNNY 50 34 53 S5 29.99F TC 10  
CAHOKIA* CLOUDY 55 36 48 CALM 30.01F TC 13  
SPARTA* MOSUNNY 55 35 46 SE7 30.01F TC 13  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172000-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE SUNNY 56 34 43 CALM 30.02F TC 13  
CAIRO* SUNNY 58 37 45 SW6 30.05S TC 15  
EFFINGHAM* PTSUNNY 51 35 53 CALM 30.03F TC 11  
MARION MOSUNNY 57 36 44 SW6 30.02F TC 14  
MT. VERNON MOSUNNY N/A N/A N/A SW5 30.02F  
CENTRALIA* N/A N/A N/A N/A MISG N/A  
SALEM* PTSUNNY 56 34 44 CALM 30.02S TC 13  
METROPOLIS* MOSUNNY 58 35 41 CALM 30.04F TC 14  
 
 
ILZ067-068-072-073-078-083-087-091-172000-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE SUNNY 53 35 50 SE5 30.03F TC 12  
FLORA* MOSUNNY 55 36 47 SW6 30.03F TC 13  
FAIRFIELD* SUNNY 54 34 45 S6 30.03F TC 12  
HARRISBURG* SUNNY 57 31 37 CALM 30.03F TC 14  
ROBINSON* MOSUNNY 52 37 58 VRB3 30.03F TC 11  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
Main Text Page