271
ASUS43 KLOT 301310
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
STERLING* CLOUDY 63 63 100 VRB5 29.91R 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 58 90 S6 29.95R FOG TC 16
CHICAGO-MIDWAY RAIN 62 58 86 SW3 29.96R TC 17
AURORA RAIN 59 59 100 SE6 29.95R FOG TC 15
WAUKEGAN LGT RAIN 59 59 100 SW8 29.94R FOG TC 15
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 65 160/ 10/ 12 1008.9 1/ 3
WAUKEGAN HARBOR 62 65 210/ 10/ 12 1014.3 1
WILMETTE BUOY 64 200/ 10/ 12 1016.4R 1
CHICAGO BUOY 65 64 240/ 8/ 12 1013.8 1
HARRISON CRIB 66 240/ 9/ 11 N/A
NORTHERLY ISL 66 260/ 6/ 7 N/A
CALUMET HARBOR 65 220/ 5/ 9 1014.6
MICHIGAN CITY 66 180/ 11/ 14 1013.7R
MICH CITY BUOY 64 62 200/ 6/ 8 N/A 1
ST. JOSEPH BUOY 64 62 200/ 8/ 8 1015.5R 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
QUINCY LGT RAIN 65 59 81 SE10 29.88R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-301400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON LGT RAIN 62 61 96 VRB3 29.98R TC 17
DECATUR CLOUDY 67 53 61 S5 29.96R TC 19
PEORIA LGT RAIN 61 60 97 E3 29.94R TC 16
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
CHAMPAIGN CLOUDY 66 52 60 S6 29.97R TC 19
MATTOON CLOUDY 65 53 65 S9 29.97R TC 18
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
BELLEVILLE PTSUNNY 67 57 71 S3 29.93R TC 20
CAHOKIA* PTSUNNY 67 55 65 SE3 29.94R TC 19
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 SUNNY 66 55 68 CALM 29.98R TC 19
MT. VERNON MOSUNNY 65 54 67 CALM 29.99R TC 18
ILZ067-068-072-073-078-083-087-091-301400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 64 58 80 CALM 30.00R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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