Regional Weather Roundup
Issued by NWS
Issued by NWS
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908
ASUS43 KLOT 211056
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT TUE JUL 21 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-211200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 74 69 85 W9 29.73S TC 23
$$
ILZ003-004-008-010-011-017-018-211200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 71 68 90 W8 29.70S TC 22
$$
ILZ005-006-012>014-019>023-211200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 74 69 85 W5 29.68R TC 23
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY N/A N/A N/A W5 29.70R
WAUKEGAN CLEAR 72 68 87 W6 29.65S TC 22
DUPAGE AIRPORT MOCLDY 72 70 93 W6 29.69R TC 22
WHEELING PTCLDY 75 68 78 W6 29.68R TC 24
NORTHERLY ISL* N/A 75 69 81 W14 N/A TC 24
$$
LMZ740>746-211200-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 70 62 1005.3R 1
WAUKEGAN HARBOR 70 60 1006.0R 0
WILMETTE BUOY 76 320/ 10/ 14 1007.7R 1/ 2
CHICAGO BUOY 77 75 270/ 8/ 10 1003.8R 1
HARRISON CRIB 76 270/ 12/ 13 N/A
NORTHERLY ISL 75 260/ 8/ 9 N/A
CALUMET HARBOR 230/ 4/ 7 1004.7
BURNS HARBOR 1005.1S
MICHIGAN CITY 77 250/ 13/ 14 1002.1F
MICH CITY BUOY 76 76 270/ 12/ 16 N/A 2/ 3
ST. JOSEPH BUOY 75 74 250/ 14/ 19 1005.5R 2/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-211200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-211200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR CLOUDY 79 73 82 W7 29.77R HX 82 TC 26
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 76 73 91 VRB3 29.78R TC 24
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-211200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-211200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
$$
ILZ067-068-072-073-078-083-087-091-211200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$