810
ASUS43 KLOT 162301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT TUE SEP 16 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.
ILZ001-002-007-009-015-016-024-170000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 86 58 38 E6 30.10S HX 85 TC 30
STERLING* SUNNY 86 55 34 NE5 30.13S HX 84 TC 30
ILZ003-004-008-010-011-017-018-170000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 84 54 35 E5 30.15S HX 83 TC 29
ILZ005-006-012>014-019>023-170000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 78 53 41 E10 30.15F TC 26
CHICAGO-MIDWAY MOCLDY 78 52 40 E10 30.15F TC 26
AURORA SUNNY 83 58 42 E10 30.14S HX 83 TC 28
WAUKEGAN MOSUNNY 75 55 49 E3 30.17S TC 24
DUPAGE AIRPORT MOSUNNY 80 56 43 E9 30.14F HX 80 TC 27
WHEELING MOSUNNY 77 53 43 E7 30.17F TC 25
MORRIS* SUNNY 81 60 48 E8 30.13S HX 81 TC 27
ROMEOVILLE* SUNNY 79 59 50 NE10 30.15F HX 80 TC 26
LANSING* CLEAR 76 56 50 NE9 30.16S TC 24
NORTHERLY ISL* N/A 71 62 73 N2 N/A TC 22
LMZ740>746-170000-
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 71 68 350/ 2/ 2 1021.5F
WINTHROP HARBOR 71 71 140/ 6/ 8 N/A 1/ 3
WAUKEGAN HARBOR 72 71 N/A 1
WILMETTE BUOY 71 80/ 8/ 10 1023.9F 1
CHICAGO BUOY 71 66 30/ 6/ 8 1021.8F 1/ 2
HARRISON CRIB 71 50/ 7/ 8 N/A
NORTHERLY ISL 72 10/ 2/ 7 N/A
CALUMET HARBOR 72 330/ 6/ 8 1020.3
BURNS HARBOR 72 50/ 4/ 5 1022.0F
MICHIGAN CITY 70 30/ 7/ 8 1020.0F
ST. JOSEPH BUOY 70 69 340/ 10/ 12 1022.1F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-170000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 89 59 36 NE5 30.09R HX 88 TC 32
ILZ028>032-037-038-041>044-048-051>054-059>061-170000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 85 55 35 NE10 30.13S HX 83 TC 29
DECATUR SUNNY 88 55 32 NE8 30.10S HX 86 TC 31
PEORIA SUNNY 87 52 29 NE7 30.10F HX 85 TC 31
SPRINGFIELD SUNNY 88 52 29 NE7 30.09S HX 85 TC 31
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 85 53 33 NE9 30.12R HX 83 TC 29
MATTOON SUNNY 86 51 29 NE8 30.09R HX 84 TC 30
ILZ079-100>102-170000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 90 54 29 N7 30.07S HX 87 TC 32
BELLEVILLE SUNNY 91 56 30 N6 30.03F HX 89 TC 33
CAHOKIA* SUNNY 90 57 32 NE6 30.05F HX 88 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 90 59 35 NE7 30.04S HX 89 TC 32
MARION SUNNY 91 61 35 NE7 30.05S HX 91 TC 33
MT. VERNON MOSUNNY 91 59 33 NE7 30.06S HX 90 TC 33
METROPOLIS* MOSUNNY 89 63 40 CALM 30.04S HX 90 TC 32
ILZ067-068-072-073-078-083-087-091-170000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 87 57 35 N8 30.07F HX 86 TC 31
FAIRFIELD* SUNNY 88 56 33 NE5 30.06S HX 87 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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