641
ASUS43 KLOT 301256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT WED SEP 30 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.
ILZ001-002-007-009-015-016-024-301400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 63 61 93 S9 29.88R TC 17
ILZ003-004-008-010-011-017-018-301400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 63 62 97 S8 29.91S FOG TC 17
ILZ005-006-012>014-019>023-301400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE RAIN 61 57 87 S5 29.95R FOG TC 16
CHICAGO-MIDWAY NOT AVBL
AURORA RAIN 59 59 100 S5 29.95R FOG TC 15
WAUKEGAN RAIN 60 58 92 SW8 29.93R FOG TC 16
DUPAGE AIRPORT LGT RAIN 60 58 92 S5 29.95R FOG TC 16
WHEELING LGT RAIN 61 59 93 S5 29.96S FOG TC 16
ROMEOVILLE* LGT RAIN 61 61 100 S5 29.97R FOG TC 16
NORTHERLY ISL* N/A 63 56 78 SW8 N/A TC 17
LMZ740>746-301400-
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 65 170/ 10/ 12 1009.3F 1/ 4
WAUKEGAN HARBOR 63 65 210/ 10/ 14 1014.3R 1
WILMETTE BUOY 66 200/ 8/ 14 1016.1R 1
CHICAGO BUOY 66 64 250/ 10/ 16 1013.4R 1
HARRISON CRIB 67 250/ 8/ 11 N/A
NORTHERLY ISL 66 260/ 6/ 7 N/A
CALUMET HARBOR 230/ 4/ 6 1014.4
MICHIGAN CITY 66 190/ 12/ 13 1013.5R
MICH CITY BUOY 64 62 200/ 6/ 10 N/A 1
ST. JOSEPH BUOY 64 62 200/ 6/ 8 1015.2R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-301400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-301400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 68 54 60 S6 29.93R TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-301400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 64 55 72 SE5 29.94R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-301400-
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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