Regional Weather Roundup
Issued by NWS
Issued by NWS
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045
ASUS43 KLOT 200656
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT THU AUG 20 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.
ILZ001-002-007-009-015-016-024-200800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 70 67 90 NE6 29.95S TC 21
$$
ILZ003-004-008-010-011-017-018-200800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 64 58 80 N3 30.00F TC 18
$$
ILZ005-006-012>014-019>023-200800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 68 56 65 N8 29.95F TC 20
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 65 60 84 NE6 29.97S TC 18
WAUKEGAN MOCLDY 60 59 96 N5 29.97F TC 16
DUPAGE AIRPORT MOCLDY 63 59 87 N7 29.96F TC 17
WHEELING MOCLDY 64 58 80 N6 29.98F TC 18
NORTHERLY ISL* N/A 71 55 56 NE14 N/A TC 22
$$
LMZ740>746-200800-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 73 74 20/ 6/ 10 1014.9F 2/ 4
WAUKEGAN HARBOR 73 74 350/ 10/ 12 1015.7F 2/ 3
WILMETTE BUOY 73 80/ 14/ 17 1017.8F 2/ 4
CHICAGO BUOY 74 73 1013.4F 3/ 4
NORTHERLY ISL 71 20/ 9/ 13 N/A
CALUMET HARBOR 20/ 10/ 14 1014.9
MICH CITY BUOY 72 74 40/ 14/ 17 N/A 3/ 4
ST. JOSEPH BUOY 72 74 40/ 10/ 14 1015.4F 2/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-200800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-200800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD LGT RAIN 68 67 96 SW3 29.94S TC 20
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-200800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-200800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
$$
ILZ067-068-072-073-078-083-087-091-200800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$