176
ASUS43 KLOT 150510
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
ROCHELLE* CLEAR 50 47 88 CALM 30.02S TC 10
DE KALB* CLEAR 53 47 81 CALM 30.02S TC 11
PERU* CLEAR 57 52 82 CALM 30.03R TC 14
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
ROMEOVILLE* PTCLDY 59 46 63 N7 30.01S TC 15
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 54 52 1006.0 1/ 3
WAUKEGAN HARBOR 58 60 250/ 4/ 4 1015.3 1/ 4
WILMETTE BUOY 62 360/ 8/ 10 1017.2S 2/ 4
CHICAGO BUOY 62 61 340/ 10/ 12 1014.5 2/ 4
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 61 64 20/ 14/ 19 994.0R 4/ 4
ST. JOSEPH BUOY 61 20/ 16/ 19 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
GALESBURG* CLEAR 53 49 87 CALM 30.04S TC 12
MACOMB* CLEAR 56 53 89 CALM 30.06S TC 13
JACKSONVILLE* CLEAR 56 56 100 W3 30.05R TC 14
PITTSFIELD* PTCLDY 59 55 85 CALM 30.06R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-150600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 59 52 77 MISG 30.01S TC 15
BLOOMINGTON PTCLDY 59 51 75 W6 30.02S TC 15
DECATUR CLOUDY 65 50 58 NW3 30.02R TC 18
PEORIA CLEAR 57 50 77 CALM 30.03R TC 14
LACON* CLEAR 55 51 84 CALM 30.02R TC 13
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
BELLEVILLE CLEAR 64 58 81 CALM 30.03R TC 18
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
METROPOLIS* CLEAR 61 61 100 CALM 30.05R TC 16
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
ROBINSON* CLOUDY 63 59 88 SW3 30.01S TC 17
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