881
ASUS43 KLOT 210701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT SUN JUN 21 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.
ILZ001-002-007-009-015-016-024-210800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 63 57 81 CALM 29.93R TC 17
STERLING* MOCLDY 60 60 100 E3 29.94F TC 16
SAVANNA* MOCLDY 60 57 91 N3 29.94S TC 15
ILZ003-004-008-010-011-017-018-210800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 57 55 93 CALM 29.95S TC 14
FREEPORT* MOCLDY 58 56 95 CALM 29.96S TC 14
DE KALB* MOCLDY 60 54 80 CALM 29.96S TC 16
PERU* MOCLDY 63 57 82 CALM 29.94S TC 17
ILZ005-006-012>014-019>023-210800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 64 54 69 CALM 29.93S TC 18
CHICAGO-MIDWAY MOCLDY 66 54 65 S3 29.93F TC 19
AURORA MOCLDY 57 56 96 CALM 29.94S TC 14
WAUKEGAN PTCLDY 56 55 97 NE3 29.93F TC 13
DUPAGE AIRPORT MOCLDY 61 56 83 CALM 29.94S TC 16
WHEELING MOCLDY 60 56 86 CALM 29.94F TC 16
LANSING* PTCLDY 59 56 89 CALM 29.95S TC 15
NORTHERLY ISL* N/A 67 52 58 SW3 N/A TC 19
LMZ740>746-210800-
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 56 55 1013.2F 0
WAUKEGAN HARBOR 57 56 360/ 2/ 4 1014.1F 0
WILMETTE BUOY 60 130/ 4/ 6 1015.4S 0
CHICAGO BUOY 66 62 200/ 4/ 6 1012.6F 0
HARRISON CRIB 69 190/ 8/ 8 N/A
NORTHERLY ISL 66 220/ 5/ 5 N/A
CALUMET HARBOR 66 180/ 4/ 5 1013.9
BURNS HARBOR 180/ 3/ 3 1014.6S
MICHIGAN CITY 63 140/ 6/ 6 1013.0R
MICH CITY BUOY 65 65 180/ 4/ 6 992.6R 1
ST. JOSEPH BUOY 65 64 160/ 2/ 2 1014.9R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-210800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 68 60 75 E6 29.92F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-210800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 63 55 75 SE3 29.96F TC 17
DECATUR PTCLDY 60 57 89 CALM 29.95F TC 16
PEORIA CLOUDY 65 57 75 CALM 29.94S TC 18
SPRINGFIELD PTCLDY 61 59 93 CALM 29.94S TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 61 57 87 E5 29.96S TC 16
DANVILLE* MOCLDY 60 57 89 CALM 29.97S TC 16
MATTOON PTCLDY 63 57 81 E3 29.94F TC 17
ILZ079-100>102-210800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 69 64 84 CALM 29.91S TC 21
CAHOKIA* PTCLDY 69 59 70 E3 29.91F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 67 65 93 CALM 29.92F TC 19
CAIRO* CLEAR 66 66 100 CALM 29.93S TC 19
MT. VERNON CLEAR 67 62 84 N3 29.93F TC 19
CENTRALIA* MOCLDY 69 62 76 CALM 29.93F TC 21
SALEM* MOCLDY 71 61 70 MISG 29.93F TC 22
ILZ067-068-072-073-078-083-087-091-210800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 69 63 81 CALM 29.94F TC 21
FAIRFIELD* PTCLDY 69 61 75 CALM 29.93F TC 21
HARRISBURG* CLEAR 65 65 99 CALM 29.93F TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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