125
ASUS43 KLOT 280501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT TUE APR 28 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.
ILZ001-002-007-009-015-016-024-280600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 56 48 74 W21G31 29.74R TC 13
STERLING* CLEAR 56 52 86 W24G35 29.71R TC 13
SAVANNA* CLOUDY 56 48 74 W18G26 29.71R TC 14
ILZ003-004-008-010-011-017-018-280600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 59 52 77 W20G26 29.68R TC 15
FREEPORT* CLOUDY 57 53 87 W21G28 29.68R TC 14
DE KALB* MOCLDY 58 56 94 W15G23 29.68R TC 15
ILZ005-006-012>014-019>023-280600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 60 57 89 SW14G22 29.63R THUNDER TC 16
CHICAGO-MIDWAY CLOUDY 60 57 89 SW14 29.65R TC 16
AURORA CLOUDY 61 56 83 W22 29.66R TC 16
JOLIET* CLOUDY 60 58 95 SW7 29.68R TC 16
WAUKEGAN MOCLDY 60 59 96 SW13 29.61R TC 16
DUPAGE AIRPORT CLOUDY 60 58 92 SW13 29.65R TC 16
KANKAKEE* MOCLDY 59 57 94 SW10 29.69R TC 15
WHEELING CLOUDY 61 59 93 SW9G21 29.65R TC 16
MORRIS* CLOUDY 59 58 97 SW9 29.67R TC 15
LANSING* CLOUDY 58 57 94 SW14 29.67R TC 15
NORTHERLY ISL* N/A 60 55 83 S9 N/A TC 16
LMZ740>746-280600-
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 1012.6R 2/ 5
WAUKEGAN HARBOR 56 47 200/ 8/ 10 1006.6F 2/ 4
HARRISON CRIB 61 210/ 21/ 22 N/A
NORTHERLY ISL 60 180/ 12/ 14 N/A
CALUMET HARBOR 60 200/ 7/ 13 1003.4
BURNS HARBOR 60 190/ 10/ 13 1004.4F
MICHIGAN CITY 61 200/ 12/ 14 1002.8R
ST. JOSEPH BUOY 50 230/ 6/ 8 1004.6R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-280600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 57 50 77 NW13 29.83R TC 14
GALESBURG* CLOUDY 55 50 82 W16G22 29.79R TC 13
MACOMB* CLOUDY 58 53 84 NW17G23 29.82R TC 14
JACKSONVILLE* PTCLDY 60 55 84 NW15G24 29.81R TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-280600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 58 57 97 MISG 29.71R TC 15
BLOOMINGTON PTCLDY 59 59 100 W13 29.75R TC 15
DECATUR MOCLDY 62 59 90 W10G21 29.76R TC 17
PEORIA PTCLDY 59 53 80 NW13G23 29.76R TC 15
LACON* PTCLDY 58 53 84 W9 29.73R TC 15
LINCOLN* PTCLDY 62 62 100 W7 29.77R TC 17
SPRINGFIELD PTCLDY 62 58 86 W9 29.79R TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 60 59 96 SW15 29.74R TC 16
DANVILLE* PTCLDY 59 58 96 SW12 29.74R TC 15
MATTOON PTCLDY 61 60 97 SW8 29.74R TC 16
ILZ079-100>102-280600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 66 62 87 CALM 29.80R TC 19
CAHOKIA* PTCLDY 65 63 93 SW5 29.80R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 66 64 93 W8 29.80S TC 19
CAIRO* CLOUDY 76 67 71 NW13 29.80R TC 25
EFFINGHAM* PTCLDY 60 60 100 SW6 29.78S TC 16
MARION MOCLDY N/A N/A N/A CALM 29.81R
MT. VERNON MOCLDY 63 62 97 SW5 29.80R TC 17
SALEM* MOCLDY 64 64 100 CALM 29.78R TC 18
ILZ067-068-072-073-078-083-087-091-280600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 62 60 93 SW7 29.76F TC 17
FLORA* PTCLDY 63 N/A N/A SW6 29.76F TC 17
FAIRFIELD* PTCLDY 62 62 99 S5 29.79R TC 17
HARRISBURG* CLOUDY 66 65 99 CALM 29.81R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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