271
ASUS43 KLOT 271459
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT SUN SEP 27 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.
ILZ001-002-007-009-015-016-024-271600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 59 53 80 CALM 30.13S TC 15
ILZ003-004-008-010-011-017-018-271600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 65 52 62 SE5 30.15F TC 18
ILZ005-006-012>014-019>023-271600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 63 56 78 N3 30.14R TC 17
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 62 56 80 NE3 30.14S TC 17
WAUKEGAN MOSUNNY 65 56 72 VRB3 30.14S TC 18
DUPAGE AIRPORT MOSUNNY 59 58 96 N3 30.15S TC 15
WHEELING MOSUNNY 64 56 75 CALM 30.16R TC 18
NORTHERLY ISL* N/A 66 56 70 NE7 N/A TC 19
LMZ740>746-271600-
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 64 350/ 8/ 8 1019.5R 1/ 3
WAUKEGAN HARBOR 62 64 360/ 6/ 8 1020.4R 1
WILMETTE BUOY 63 360/ 6/ 8 1022.8R 1/ 3
CHICAGO BUOY 64 64 30/ 6/ 8 1019.4R 1/ 3
HARRISON CRIB 62 10/ 6/ 6 N/A
NORTHERLY ISL 66 60/ 4 N/A
CALUMET HARBOR 64 10/ 2/ 4 1020.6
MICHIGAN CITY 57 250/ 1/ 2 1019.8R
MICH CITY BUOY 60 62 350/ 2/ 4 N/A 1
ST. JOSEPH BUOY 52 53 360/ 2/ 4 1021.0R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-271600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 66 53 63 NW5 30.12S TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON MOSUNNY 66 47 50 E5 30.12R TC 19
ILZ079-100>102-271600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 63 55 77 VRB7 30.12S TC 17
CAHOKIA* CLOUDY 64 57 78 N7 30.11R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 64 55 72 NW7 30.10R TC 18
ILZ067-068-072-073-078-083-087-091-271600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 65 49 56 CALM 30.11R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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