601
ASUS43 KLOT 151001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-151100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 50 47 89 S3 30.00F TC 10
STERLING* CLEAR 51 50 96 CALM 30.02S TC 11
SAVANNA* CLEAR 50 48 93 SE5 30.00F TC 10
ILZ003-004-008-010-011-017-018-151100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 51 47 86 S5 30.01S TC 11
FREEPORT* PTCLDY 53 49 86 SW10 30.01S TC 12
DE KALB* CLEAR 51 46 83 SW6 30.01S TC 10
ILZ005-006-012>014-019>023-151100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 46 77 SW5 29.97F TC 12
CHICAGO-MIDWAY PTCLDY 54 47 77 S5 29.98F TC 12
AURORA CLEAR 46 46 100 W3 30.00S TC 8
JOLIET* CLEAR 50 50 100 CALM 30.00F FOG TC 10
WAUKEGAN CLEAR 51 46 83 SW8 29.96F TC 11
DUPAGE AIRPORT CLEAR 51 48 89 S3 29.98F TC 11
KANKAKEE* PTCLDY 53 52 95 W3 30.02S TC 12
WHEELING MOCLDY 50 45 83 MISG 29.99F TC 10
ROMEOVILLE* CLEAR 54 50 87 SW8 30.00F TC 12
NORTHERLY ISL* N/A 56 47 71 S5 N/A TC 13
LMZ740>746-151100-
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 54 1010.9R 1
WAUKEGAN HARBOR 58 58 200/ 8/ 12 1014.9F 1
WILMETTE BUOY 60 200/ 10/ 14 1016.6F 1/ 4
CHICAGO BUOY 60 61 200/ 10/ 12 1014.1F 1/ 4
HARRISON CRIB 59 190/ 11/ 11 N/A
NORTHERLY ISL 57 190/ 5/ 6 N/A
CALUMET HARBOR 57 170/ 3/ 5 1015.9
BURNS HARBOR 200/ 3/ 4 1016.6S
MICHIGAN CITY 56 190/ 7/ 8 1015.1S
MICH CITY BUOY 60 63 210/ 10/ 12 994.3S 2/ 4
ST. JOSEPH BUOY 61 210/ 10/ 12 1016.2S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-151100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 53 52 96 CALM 30.05R TC 12
MACOMB* CLEAR 51 51 100 CALM 30.05S TC 11
JACKSONVILLE* PTCLDY 52 52 100 CALM 30.05R TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-151100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 56 52 86 CALM 30.03F TC 13
DECATUR CLEAR 57 51 80 N3 30.02F TC 14
PEORIA CLEAR 52 52 100 CALM 30.02F TC 11
LINCOLN* N/A N/A N/A N/A MISG N/A
SPRINGFIELD CLEAR 52 52 100 CALM 30.03S TC 11
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 57 52 83 NE6 30.02S TC 14
DANVILLE* CLOUDY 55 53 91 CALM 30.03S TC 13
MATTOON MOCLDY 59 54 83 NW6 30.01S TC 15
PARIS* CLOUDY 58 55 91 N5 30.02S TC 14
ILZ079-100>102-151100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 58 53 86 CALM 30.04S TC 14
CAHOKIA* PTCLDY 55 55 100 SE3 30.03S TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 56 56 100 CALM 30.04R TC 13
CAIRO* CLEAR 59 59 99 CALM 30.04S TC 15
EFFINGHAM* CLOUDY 59 59 97 CALM 30.04R TC 15
MARION CLEAR 56 55 98 CALM 30.05R TC 13
MT. VERNON CLEAR 55 55 100 CALM 30.03S TC 13
CENTRALIA* CLEAR 58 55 89 CALM 30.02F TC 15
SALEM* PTCLDY 61 59 94 MISG 30.02F TC 16
METROPOLIS* CLEAR 56 56 100 CALM 30.04S TC 13
ILZ067-068-072-073-078-083-087-091-151100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 61 56 83 W3 30.01S TC 16
FLORA* MOCLDY 61 55 82 NW7 30.03R TC 16
FAIRFIELD* MOCLDY 59 54 84 CALM 30.02S TC 15
HARRISBURG* CLEAR 54 54 100 CALM 30.04R TC 12
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