538
ASUS43 KLOT 210856
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT MON JUL 21 2025
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.
ILZ001-002-007-009-015-016-024-211000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 68 62 81 E10 30.00F TC 20
ILZ003-004-008-010-011-017-018-211000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 63 56 78 VRB3 30.07S HAZE TC 17
ILZ005-006-012>014-019>023-211000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 64 62 93 N6 30.04R TC 18
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 64 61 90 NE6 30.05R FOG TC 18
WAUKEGAN CLEAR 67 62 84 NE7 30.05S TC 19
DUPAGE AIRPORT MOCLDY 62 59 90 N6 30.05R FOG TC 17
WHEELING CLEAR 64 62 93 CALM 30.06R TC 18
NORTHERLY ISL* N/A 68 66 93 N3 N/A TC 20
LMZ740>746-211000-
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)
S. MID LAKE BUOY 70 69 60/ 12/ 14 1018.0R
WINTHROP HARBOR 70 68 20/ 10/ 14 N/A 2/ 4
WAUKEGAN HARBOR 70 69 40/ 12/ 16 N/A 2/ 4
WILMETTE BUOY 71 90/ 10/ 16 1019.4R 3/ 5
CHICAGO BUOY 73 71 80/ 4/ 6 1017.5R 2/ 5
HARRISON CRIB 77 50/ 8/ 9 N/A
NORTHERLY ISL 69 360/ 4/ 6 N/A
CALUMET HARBOR 50/ 6/ 7 1015.8
BURNS HARBOR 68 60/ 4/ 5 1017.6R
MICHIGAN CITY 67 40/ 4/ 4 1016.0R
MICH CITY BUOY 71 75 70/ 6/ 8 1015.9R 2/ 5
ST. JOSEPH BUOY 70 75 30/ 12/ 16 1017.9R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-211000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-211000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 70 70 100 NE9 30.02S FOG TC 21
PEORIA CLOUDY 71 69 93 E10 30.01R FOG TC 22
SPRINGFIELD CLOUDY 75 74 96 CALM 29.98S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-211000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON CLOUDY 72 72 100 NE6 29.98R TC 22
ILZ079-100>102-211000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* HVY RAIN 72 71 97 S6 29.97F VSB 1 TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 76 71 85 NW18G29 30.00R TC 24
MT. VERNON RAIN 73 72 94 W7 29.99R TC 23
ILZ067-068-072-073-078-083-087-091-211000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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