159  
ASUS43 KLOT 271801  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
100 PM CDT MON APR 27 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.  
 
ILZ001-002-007-009-015-016-024-271900-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE CLOUDY 68 59 73 SE21G35 29.49R TC 20  
6HR MIN TEMP: 60; 6HR MAX TEMP: 68; 6HR PCP: 0.60;  
 
STERLING* MOSUNNY 62 60 93 SE20G29 29.51R TC 17  
SAVANNA* CLOUDY 65 59 82 SE10 29.51F TC 18  
 
 
ILZ003-004-008-010-011-017-018-271900-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD CLOUDY 58 56 93 SE16G40 29.56R TC 14  
6HR MIN TEMP: 56; 6HR MAX TEMP: 59; 6HR PCP: 0.34;  
 
FREEPORT* PTSUNNY 61 60 95 SE17G24 29.54R TC 16  
 
 
ILZ005-006-012>014-019>023-271900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE TSTM 57 55 93 S10 29.82S FOG TC 14  
6HR MIN TEMP: 55; 6HR MAX TEMP: 59; 6HR PCP: 0.31;  
 
CHICAGO-MIDWAY TSTM 58 56 93 S8 29.84R FOG TC 14  
6HR MIN TEMP: 55; 6HR MAX TEMP: 61; 6HR PCP: 0.41;  
 
AURORA RAIN 56 56 100 SE40G52 29.61F FOG TC 13  
6HR MIN TEMP: 56; 6HR MAX TEMP: 59; 6HR PCP: 0.47;  
 
JOLIET* HVY RAIN 59 59 100 CALM 29.85R TC 15  
WAUKEGAN RAIN 51 50 96 S9 29.81R FOG TC 11  
6HR MIN TEMP: 46; 6HR MAX TEMP: 52; 6HR PCP: 0.26;  
 
DUPAGE AIRPORT HVY RAIN 57 56 96 S12 29.80F FOG TC 14  
6HR MIN TEMP: 56; 6HR MAX TEMP: 59; 6HR PCP: 0.41;  
 
WHEELING HVY RAIN 57 55 93 S10 29.83F FOG TC 14  
6HR MIN TEMP: 53; 6HR MAX TEMP: 58; 6HR PCP: 0.30;  
 
MORRIS* HVY RAIN 57 57 100 CALM 29.82F TC 14  
ROMEOVILLE* HVY RAIN 57 57 100 SW10G25 29.85R VSB 1 TC 14  
LANSING* HVY RAIN 57 55 92 S7 29.86R TC 14  
NORTHERLY ISL* N/A 58 53 84 SW2 N/A TC 14  
 
 
LMZ740>746-271900-  
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 47 1014.1F 2/ 4  
WAUKEGAN HARBOR 49 47 160/ 8/ 10 1010.7R 2/ 4  
HARRISON CRIB 55 210/ 10/ 11 N/A  
NORTHERLY ISL 54 180/ 4/ 12 N/A  
CALUMET HARBOR 60 210/ 6/ 9 1010.1  
BURNS HARBOR 60 170/ 6/ 10 1010.8R  
MICHIGAN CITY 62 130/ 14/ 17 1007.7F  
ST. JOSEPH BUOY 60 130/ 14/ 19 1010.6F 1/ 2  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-271900-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
QUINCY CLOUDY 62 59 90 S16G26 29.57R TC 17  
GALESBURG* PTSUNNY 65 59 81 SE12G24 29.53F TC 18  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-271900-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BLOOMINGTON LGT RAIN 59 59 100 SE23G29 29.68F TC 15  
DECATUR LGT RAIN 60 58 92 S10 29.77F TC 16  
PEORIA MOSUNNY 63 59 87 E6 29.56F TC 17  
6HR MIN TEMP: 58; 6HR MAX TEMP: 63; 6HR PCP: 1.30;  
 
SPRINGFIELD LGT RAIN 60 58 92 SE25G39 29.61F TC 16  
6HR MIN TEMP: 59; 6HR MAX TEMP: 63; 6HR PCP: 1.88;  
 
TAYLORVILLE CLOUDY 59 59 100 S12 29.78R TC 15  
 
 
ILZ033-039-045-046-055>057-062-063-271900-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHAMPAIGN TSTM 60 58 92 S9 29.81R FOG TC 16  
DANVILLE* CLOUDY 61 59 94 S10 29.87R TC 16  
MATTOON TSTM 60 58 92 E8 29.80 FOG TC 16  
 
 
ILZ079-100>102-271900-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON LGT RAIN 63 61 94 N13 29.74S TC 17  
CAHOKIA* PTSUNNY 77 69 76 SE12G23 29.67F TC 25  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271900-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE LGT RAIN 77 68 73 S22G32 29.74R TC 25  
6HR MIN TEMP: 62; 6HR MAX TEMP: 79; 6HR PCP: 0.31;  
 
CAIRO* CLOUDY 80 69 69 S16G30 29.78F HX 82 TC 27  
MARION CLOUDY 79 70 73 S21G35 29.74F HX 81 TC 26  
CENTRALIA* CLOUDY 69 65 86 CALM 29.75F TC 21  
 
 
ILZ067-068-072-073-078-083-087-091-271900-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
LAWRENCEVILLE LGT RAIN 64 60 87 S31G43 29.80F TC 18  
FLORA* CLOUDY 66 63 88 S13G23 29.80R TC 19  
FAIRFIELD* CLOUDY 69 62 78 S15G23 29.79S TC 20  
HARRISBURG* PTSUNNY 73 70 88 S20G25 29.78F TC 23  
 
 
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