513  
ASUS43 KLOT 191701  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1200 PM CDT TUE MAY 19 2026  
 
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.  
 
ILZ001-002-007-009-015-016-024-191800-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE CLOUDY 66 60 81 W16G25 29.96R TC 19  
STERLING* PTSUNNY 72 65 78 W22G29 29.93R TC 22  
SAVANNA* CLOUDY 68 61 78 W10G21 29.94R TC 20  
 
 
ILZ003-004-008-010-011-017-018-191800-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD CLOUDY 73 64 73 SW20G28 29.91R TC 23  
FREEPORT* CLOUDY 71 67 87 W16 29.93R TC 22  
DE KALB* CLOUDY 75 62 65 SW16G26 29.93S TC 24  
PERU* CLOUDY 73 64 73 SW17 29.94S TC 23  
 
 
ILZ005-006-012>014-019>023-191800-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE PTSUNNY 77 63 61 SW9G24 29.90S TC 25  
CHICAGO-MIDWAY PTSUNNY 76 63 64 W20G28 29.92S TC 24  
AURORA MOSUNNY 77 64 64 W15G33 29.92S TC 25  
JOLIET* PTSUNNY 77 65 65 W13 29.95S TC 25  
WAUKEGAN MOSUNNY 76 62 62 SW17G32 29.88S TC 24  
DUPAGE AIRPORT MOSUNNY 77 64 64 SW17G30 29.91F TC 25  
KANKAKEE* PTSUNNY 74 64 69 W14 29.97F TC 24  
WHEELING CLOUDY 76 62 62 W17G28 29.91S TC 24  
MORRIS* PTSUNNY 75 64 69 W15 29.94S TC 24  
ROMEOVILLE* MOSUNNY 77 64 65 SW17G29 29.94S TC 25  
LANSING* PTSUNNY 74 62 67 SW14G22 29.95S TC 23  
NORTHERLY ISL* N/A 75 60 59 SW12 N/A TC 24  
 
 
LMZ740>746-191800-  
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)  
WINTHROP HARBOR 49 1018.5R 2/ 4  
WAUKEGAN HARBOR 71 51 240/ 14/ 25 1013.0R 1/ 4  
WILMETTE BUOY 67 240/ 14/ 23 1014.5R 2/ 3  
CHICAGO BUOY 69 53 250/ 16/ 21 1012.0R 1/ 2  
HARRISON CRIB 75 230/ 22/ 27 N/A  
NORTHERLY ISL 75 230/ 16/ 18 N/A  
CALUMET HARBOR 75 230/ 11/ 16 1013.5  
BURNS HARBOR 72 240/ 10/ 13 1014.2S  
MICHIGAN CITY 64 230/ 11/ 13 1012.7R  
ST. JOSEPH BUOY 58 250/ 6/ 8 1014.5R 3/ 5  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-191800-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
GALESBURG* CLOUDY 68 63 84 NW16G23 29.99R TC 20  
MACOMB* CLOUDY 71 67 85 W17G25 30.01R TC 22  
JACKSONVILLE* PTSUNNY 73 65 78 W14 30.00R TC 23  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-191800-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BLOOMINGTON PTSUNNY 77 67 71 W13 29.99R TC 25  
DECATUR PTSUNNY 76 65 68 SW15 29.98R TC 24  
PEORIA PTSUNNY 74 64 71 W10G18 29.97R TC 23  
SPRINGFIELD PTSUNNY 76 64 66 W7 29.98R TC 24  
TAYLORVILLE PTSUNNY 75 66 73 S15 29.97R TC 24  
 
 
ILZ033-039-045-046-055>057-062-063-191800-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN PTSUNNY 78 68 71 SW16 29.99R HX 80 TC 26  
DANVILLE* PTSUNNY 78 69 76 SW16G25 29.99R TC 25  
MATTOON PTSUNNY 77 69 76 S15G22 30.00S TC 25  
PARIS* CLOUDY 79 71 75 SW15G22 29.99F HX 82 TC 26  
 
 
ILZ079-100>102-191800-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON MOSUNNY 75 66 73 S16 29.98F TC 24  
CAHOKIA* PTSUNNY 76 64 66 S10G20 29.98F TC 24  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191800-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE NOT AVBL  
CAIRO* MOSUNNY 85 73 67 SW14 30.07F HX 92 TC 30  
EFFINGHAM* PTSUNNY 78 71 79 S14G21 30.03S HX 80 TC 25  
MARION CLOUDY 84 72 65 S18G28 30.04F HX 89 TC 29  
MT. VERNON PTSUNNY 81 72 74 SW18G25 30.04R HX 85 TC 27  
CENTRALIA* PTSUNNY 80 71 72 SW9G22 30.04R HX 83 TC 27  
SALEM* PTSUNNY 81 73 76 S16 30.03R HX 85 TC 27  
 
 
ILZ067-068-072-073-078-083-087-091-191800-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE PTSUNNY 83 71 67 SW20 30.02F HX 87 TC 28  
FLORA* PTSUNNY 81 72 74 SW17G25 30.03R HX 84 TC 27  
FAIRFIELD* PTSUNNY 82 69 65 S21 30.04R HX 85 TC 28  
HARRISBURG* PTSUNNY 83 72 68 SW20G25 30.06S HX 88 TC 28  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
 
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