731
ASUS43 KLOT 201301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT SAT JUN 20 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.
ILZ001-002-007-009-015-016-024-201400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 64 58 80 W8 30.02S TC 18
STERLING* SUNNY 63 60 90 W9 30.02S TC 17
SAVANNA* SUNNY 62 55 79 W6 30.01S TC 17
ILZ003-004-008-010-011-017-018-201400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 63 55 75 W9 30.01R TC 17
FREEPORT* SUNNY 62 60 94 W6 30.02S TC 17
DE KALB* SUNNY 62 55 78 NW13 30.00S TC 17
PERU* SUNNY 64 59 82 W12G17 30.01S TC 18
ILZ005-006-012>014-019>023-201400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 65 52 62 W12G18 29.96S TC 18
CHICAGO-MIDWAY MOSUNNY 66 52 60 NW13 29.97R TC 19
AURORA SUNNY 63 57 81 NW10 29.99S TC 17
JOLIET* SUNNY 66 59 78 W6 30.00R TC 19
WAUKEGAN SUNNY 63 53 70 W8 29.95R TC 17
DUPAGE AIRPORT SUNNY 64 54 69 W14 29.98R TC 18
KANKAKEE* SUNNY 66 56 70 NW12 30.01S TC 19
WHEELING SUNNY 65 53 65 W12G18 29.98R TC 18
ROMEOVILLE* SUNNY 64 59 82 W8 29.99R TC 18
LANSING* SUNNY 64 57 77 W9 29.99R TC 18
NORTHERLY ISL* N/A 66 50 56 W9 N/A TC 19
LMZ740>746-201400-
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 61 53 1013.6R 0
WAUKEGAN HARBOR 62 52 280/ 10/ 17 1014.7S 1
WILMETTE BUOY 61 300/ 12/ 14 1016.3R 1/ 2
CHICAGO BUOY 65 61 290/ 12/ 16 1013.4R 1/ 2
HARRISON CRIB 65 300/ 18/ 20 N/A
NORTHERLY ISL 66 250/ 8/ 13 N/A
CALUMET HARBOR 66 270/ 2/ 10 1014.8R
BURNS HARBOR 270/ 5/ 8 1015.6R
MICHIGAN CITY 63 240/ 15/ 17 1013.5R
MICH CITY BUOY 62 62 260/ 12/ 14 993.2R 2/ 3
ST. JOSEPH BUOY 63 63 290/ 16/ 19 1015.1R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-201400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 66 61 84 N8 30.05R TC 19
GALESBURG* SUNNY 65 58 79 NW8 30.05S TC 18
MACOMB* CLOUDY 65 62 90 CALM 30.06S TC 18
JACKSONVILLE* PTSUNNY 68 62 80 N6 30.04R TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-201400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 66 61 84 NW10 30.04R TC 19
DECATUR MOSUNNY 71 61 70 N9 30.03S TC 22
PEORIA MOSUNNY 67 57 70 VRB7 30.03S TC 19
SPRINGFIELD PTSUNNY 68 61 78 N8 30.03S TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 68 60 75 NW9 30.02S TC 20
DANVILLE* CLOUDY 68 64 86 W5 30.02S TC 20
MATTOON PTSUNNY 70 61 73 W6 30.02R TC 21
PARIS* MOSUNNY 71 60 68 NW9 30.02F TC 22
ILZ079-100>102-201400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 63 68 NW6 30.03F TC 23
BELLEVILLE PTSUNNY 75 65 71 W6 30.00S TC 24
CAHOKIA* MOSUNNY 74 64 71 W5 30.02R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 71 65 81 CALM 30.03R TC 22
CAIRO* SUNNY 70 68 93 CALM 30.04F TC 21
MARION PTSUNNY 72 64 78 CALM 30.04R TC 22
MT. VERNON MOSUNNY 73 63 70 CALM 30.04R TC 23
CENTRALIA* MOSUNNY 74 62 65 CALM 30.03R TC 23
SALEM* MOSUNNY 74 65 75 MISG 30.03R TC 23
ILZ067-068-072-073-078-083-087-091-201400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 68 64 87 S3 30.02S TC 20
FLORA* MOSUNNY 72 63 73 SW6 30.03R TC 22
FAIRFIELD* MOSUNNY 69 62 77 CALM 30.03S TC 21
HARRISBURG* MOSUNNY 69 66 91 CALM 30.04S TC 20
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