Regional Weather Roundup
Issued by NWS
Issued by NWS
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709
ASUS43 KLOT 211458
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT MON SEP 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.
ILZ001-002-007-009-015-016-024-211600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 60 57 89 NE15 30.11R TC 16
$$
ILZ003-004-008-010-011-017-018-211600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
$$
ILZ005-006-012>014-019>023-211600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 61 54 77 E13G23 30.15R TC 16
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 61 56 83 NE13 30.13S TC 16
WAUKEGAN CLOUDY 61 54 77 NE16G30 30.18R TC 16
DUPAGE AIRPORT CLOUDY 61 55 81 E13 30.15R TC 16
WHEELING CLOUDY 61 55 81 E9G21 30.18R TC 16
NORTHERLY ISL* N/A 60 54 80 NE18 N/A TC 16
$$
LMZ740>746-211600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 62 64 60/ 19/ 27 1016.7R 6/ 6
WAUKEGAN HARBOR 63 64 30/ 19/ 27 1020.8R 6/ 6
WILMETTE BUOY 62 100/ 19/ 29 1022.6R 6/ 6
CHICAGO BUOY 62 65 1019.7R 5/ 7
NORTHERLY ISL 59 60/ 17/ 20 N/A
CALUMET HARBOR 60 40/ 13/ 18 1020.6
MICH CITY BUOY 57 57 50/ 14/ 17 N/A 4/ 6
ST. JOSEPH BUOY 57 53 50/ 10/ 14 1021.6R 3/ 5
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-211600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 63 63 100 E9 30.07R FOG TC 17
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-211600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 63 60 90 E10 30.06R TC 17
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-211600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-211600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 68 66 94 NE7 30.03R TC 20
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
$$
ILZ067-068-072-073-078-083-087-091-211600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$