610
ASUS43 KLOT 301501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-301600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 63 61 93 S13 29.89S FOG TC 17
STERLING* CLOUDY 63 63 100 VRB5 29.91S FOG TC 17
ILZ003-004-008-010-011-017-018-301600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 65 63 93 S14 29.90F TC 18
ILZ005-006-012>014-019>023-301600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE RAIN 62 61 96 S10 29.94S FOG TC 17
CHICAGO-MIDWAY HVY RAIN 62 61 96 S10 29.96S FOG TC 17
AURORA LGT RAIN 62 61 96 S10 29.94S FOG TC 17
WAUKEGAN LGT RAIN 61 61 100 S9 29.91F FOG TC 16
DUPAGE AIRPORT RAIN 62 61 96 S12 29.94S FOG TC 17
WHEELING LGT RAIN 62 61 96 S8 29.95F FOG TC 17
ROMEOVILLE* LGT RAIN 61 61 100 S7 29.97S FOG TC 16
NORTHERLY ISL* N/A 61 59 93 S8 N/A TC 16
LMZ740>746-301600-
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 65 130/ 16/ 19 1010.1R 1/ 3
WAUKEGAN HARBOR 62 65 170/ 10/ 14 1013.8F 1/ 2
WILMETTE BUOY 62 140/ 14/ 17 1015.9F 1/ 2
CHICAGO BUOY 63 64 180/ 10/ 12 1013.5F 1
HARRISON CRIB 62 170/ 13/ 14 N/A
NORTHERLY ISL 60 140/ 3/ 8 N/A
CALUMET HARBOR 62 160/ 6/ 7 1015.1
MICHIGAN CITY 64 180/ 6/ 7 1014.9R
MICH CITY BUOY 63 63 200/ 6/ 8 N/A 1/ 2
ST. JOSEPH BUOY 64 62 230/ 8/ 10 1016.6R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-301600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 65 60 84 E3 29.90R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-301600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON LGT RAIN 63 59 87 SE9 29.96F TC 17
DECATUR CLOUDY 69 55 60 S3 29.97S TC 21
PEORIA RAIN 61 59 93 SE5 29.95S FOG TC 16
SPRINGFIELD PTSUNNY 69 56 62 E3 29.93S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 69 53 56 S6 29.98S TC 21
MATTOON CLOUDY 71 54 54 S7 29.98S TC 22
ILZ079-100>102-301600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 54 49 S8 29.95R TC 23
CAHOKIA* PTSUNNY 78 56 46 VRB5 29.94S TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 75 54 46 S9 29.99S TC 24
MT. VERNON PTSUNNY 77 53 43 SW12 29.99S TC 25
ILZ067-068-072-073-078-083-087-091-301600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 71 57 61 S8 30.01S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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