Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 151256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT TUE SEP 15 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.
ILZ001-002-007-009-015-016-024-151400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 69 68 96 NW3 30.01R TC 21
STERLING* CLOUDY 68 68 100 SW3 30.02F FOG TC 20
$$
ILZ003-004-008-010-011-017-018-151400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
$$
ILZ005-006-012>014-019>023-151400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 69 58 67 S10 30.02F TC 21
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 65 60 84 S6 30.04S TC 18
WAUKEGAN LGT RAIN 64 62 93 SW8 30.00S TC 18
DUPAGE AIRPORT LGT RAIN 65 60 84 S6 30.04R TC 18
WHEELING LGT RAIN 69 59 70 S9 30.03S TC 21
ROMEOVILLE* PTSUNNY 68 63 83 S3 30.07R TC 20
NORTHERLY ISL* N/A 69 55 60 S8 N/A TC 21
$$
LMZ740>746-151400-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 64 60 140/ 6/ 8 1016.5S 3/ 5
WAUKEGAN HARBOR 66 63 190/ 4/ 8 1016.4R 2/ 5
WILMETTE BUOY 66 190/ 10/ 14 1018.5F 2/ 4
CHICAGO BUOY 69 65 1016.7R 1/ 3
HARRISON CRIB 71 240/ 15/ 19 N/A
NORTHERLY ISL 69 240/ 2/ 11 N/A
CALUMET HARBOR 240/ 4/ 8 1017.7
MICHIGAN CITY 66 180/ 6/ 8 1016.3R
MICH CITY BUOY 66 65 190/ 4/ 8 N/A 1/ 3
ST. JOSEPH BUOY 63 59 190/ 4/ 8 1018.7R 2/ 5
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-151400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-151400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 75 64 68 S9 30.04R TC 24
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-151400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-151400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 66 78 SE5 30.06R TC 23
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
$$
ILZ067-068-072-073-078-083-087-091-151400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$