916
ASUS43 KLOT 150501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT MON JUN 15 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.
ILZ001-002-007-009-015-016-024-150600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 53 50 89 CALM 30.02R TC 12
STERLING* CLEAR 54 51 90 CALM 30.03R TC 12
SAVANNA* CLEAR 53 48 84 CALM 30.02R TC 12
ILZ003-004-008-010-011-017-018-150600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 53 50 89 CALM 30.02R TC 12
FREEPORT* CLEAR 51 49 95 S3 30.03S TC 10
DE KALB* CLEAR 53 47 81 CALM 30.02S TC 11
PERU* CLEAR 59 54 82 N3 30.02S TC 15
ILZ005-006-012>014-019>023-150600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 58 44 60 W5 29.99S TC 14
CHICAGO-MIDWAY CLEAR 59 44 57 NW6 29.99S TC 15
AURORA CLEAR 52 48 86 CALM 30.00S TC 11
JOLIET* CLOUDY 61 47 59 N3 30.01S TC 16
WAUKEGAN CLEAR 50 46 86 W3 29.98S TC 10
DUPAGE AIRPORT CLEAR 55 46 71 CALM 30.00S TC 13
KANKAKEE* CLOUDY 59 52 78 NE3 30.02R TC 15
WHEELING CLEAR 57 46 66 CALM 30.00S TC 14
NORTHERLY ISL* N/A 60 44 55 NW2 N/A TC 16
LMZ740>746-150600-
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 52 1005.9F 1/ 4
WAUKEGAN HARBOR 58 60 260/ 4/ 6 1015.5 1/ 4
WILMETTE BUOY 62 20/ 10/ 14 1017.3R 2/ 4
CHICAGO BUOY 62 61 330/ 10/ 14 1014.5S 2/ 3
HARRISON CRIB 62 340/ 10/ 12 N/A
NORTHERLY ISL 61 320/ 8/ 14 N/A
CALUMET HARBOR 61 330/ 4/ 8 1015.8
BURNS HARBOR 360/ 7/ 10 1016.3R
MICHIGAN CITY 61 20/ 19/ 20 1014.2R
MICH CITY BUOY 60 64 20/ 16/ 21 993.8F 4/ 4
ST. JOSEPH BUOY 61 20/ 16/ 21 1016.1F 4/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-150600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 60 54 80 W3 30.05R TC 16
MACOMB* CLEAR 56 53 89 CALM 30.06S TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-150600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 59 51 75 W6 30.02S TC 15
DECATUR CLOUDY 65 50 58 NW3 30.02R TC 18
PEORIA NOT AVBL
LINCOLN* N/A N/A N/A N/A MISG N/A
SPRINGFIELD MOCLDY 59 54 83 W5 30.03R TC 15
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-150600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 59 56 89 W5 30.01S TC 15
DANVILLE* PTCLDY 58 55 91 CALM 30.00S TC 14
MATTOON CLOUDY 63 55 75 CALM 30.01R TC 17
ILZ079-100>102-150600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 61 56 82 NW3 30.05R TC 16
CAHOKIA* CLEAR 60 56 86 CALM 30.04S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 59 56 89 CALM 30.05R TC 15
CAIRO* CLEAR 64 63 97 CALM 30.05S TC 18
EFFINGHAM* CLOUDY 61 58 91 CALM 30.04S TC 16
MARION CLEAR 58 55 88 CALM 30.06R TC 15
MT. VERNON PTCLDY 57 55 93 CALM 30.04S TC 14
CENTRALIA* PTCLDY 58 56 92 CALM 30.04S TC 15
SALEM* CLOUDY 63 58 86 MISG 30.03S TC 17
ILZ067-068-072-073-078-083-087-091-150600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 62 54 74 CALM 30.02R TC 17
FLORA* CLOUDY 61 55 82 CALM 30.03S TC 16
FAIRFIELD* MOCLDY 57 53 85 CALM 30.03S TC 14
HARRISBURG* CLEAR 58 56 91 CALM 30.05R TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page