420
ASUS43 KLOT 121756
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT FRI SEP 12 2025
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.
ILZ001-002-007-009-015-016-024-121900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 86 58 38 E13 30.12F HX 85 TC 30
6HR MIN TEMP: 53; 6HR MAX TEMP: 86;
ILZ003-004-008-010-011-017-018-121900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 58 45 VRB5 30.19F HX 81 TC 27
6HR MIN TEMP: 57; 6HR MAX TEMP: 81;
ILZ005-006-012>014-019>023-121900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 81 52 36 S9 30.18F HX 80 TC 27
6HR MIN TEMP: 61; 6HR MAX TEMP: 82;
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 83 56 39 VRB6 30.19F HX 82 TC 28
6HR MIN TEMP: 57; 6HR MAX TEMP: 83;
WAUKEGAN MOSUNNY 77 64 64 SE6 30.20F TC 25
6HR MIN TEMP: 59; 6HR MAX TEMP: 78;
DUPAGE AIRPORT MOSUNNY 83 55 38 S8 30.19F HX 82 TC 28
6HR MIN TEMP: 56; 6HR MAX TEMP: 83; 6HR PCP: TRACE;
WHEELING MOSUNNY 83 53 35 S10 30.20F HX 82 TC 28
6HR MIN TEMP: 59; 6HR MAX TEMP: 84;
ROMEOVILLE* SUNNY 82 57 42 SE8 30.19F HX 82 TC 28
LMZ740>746-121900-
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)
S. MID LAKE BUOY 67 67 180/ 4/ 6 1023.4F
WINTHROP HARBOR 67 68 120/ 6/ 8 N/A 1
WAUKEGAN HARBOR 69 69 N/A 1
WILMETTE BUOY 70 170/ 8/ 12 1025.1F 1/ 4
CHICAGO BUOY 70 66 110/ 6/ 10 1023.1F 1/ 5
HARRISON CRIB 71 120/ 9/ 10 N/A
CALUMET HARBOR 50/ 7/ 8 1022.0
BURNS HARBOR 71 360/ 3/ 4 1023.4F
MICHIGAN CITY 76 340/ 4/ 4 1021.4F
MICH CITY BUOY 78 1021.1F
ST. JOSEPH BUOY 70 70 280/ 4/ 6 1024.0F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-121900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-121900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOSUNNY 86 59 39 VRB5 30.15F HX 85 TC 30
6HR MIN TEMP: 57; 6HR MAX TEMP: 87;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-121900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 64 45 S6 30.15F HX 89 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 90 60 36 VRB3 30.13F HX 89 TC 32
6HR MIN TEMP: 61; 6HR MAX TEMP: 91;
MARION MOSUNNY 90 61 37 E7 30.14F HX 89 TC 32
ILZ067-068-072-073-078-083-087-091-121900-
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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page