111
ASUS43 KLOT 232310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT SUN AUG 23 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.
ILZ001-002-007-009-015-016-024-240000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 76 54 46 W8 30.03F TC 24
STERLING* SUNNY 75 53 46 NW8 30.04F TC 24
SAVANNA* SUNNY 76 51 41 NW8 30.03F TC 24
ILZ003-004-008-010-011-017-018-240000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 75 52 44 NW13 30.03S TC 24
FREEPORT* MOSUNNY 75 54 47 NW10 30.05S TC 24
ROCHELLE* SUNNY 73 51 47 NW8 30.04S TC 23
PERU* SUNNY 73 55 53 NW7 30.03S TC 23
ILZ005-006-012>014-019>023-240000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 74 50 42 NW12 29.99F TC 23
CHICAGO-MIDWAY MOSUNNY 74 50 42 NW14 29.99F TC 23
AURORA SUNNY 72 57 59 NW6 30.01F TC 22
JOLIET* MOSUNNY 76 51 42 NW6 30.01F TC 25
WAUKEGAN NOT AVBL
DUPAGE AIRPORT SUNNY 75 54 46 N8 30.03S TC 24
WHEELING PTSUNNY 74 52 46 NW13G18 30.01F TC 23
LANSING* MOSUNNY 73 53 48 NE6 30.01S TC 23
NORTHERLY ISL* N/A 74 48 39 W9 N/A TC 23
LMZ740>746-240000-
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 73 73 320/ 14/ 17 1020.5 3/ 5
WAUKEGAN HARBOR 74 73 280/ 10/ 16 1016.2 2/ 6
WILMETTE BUOY 74 20/ 16/ 21 1018.7F 3/ 5
CHICAGO BUOY 74 73 1014.6 3/ 5
NORTHERLY ISL 75 310/ 7/ 16 N/A
CALUMET HARBOR 75 310/ 6/ 11 1015.9
MICH CITY BUOY 71 74 360/ 10/ 14 N/A 3/ 6
ST. JOSEPH BUOY 70 73 340/ 10/ 12 1016.6F 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-240000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 73 57 57 N7 30.05F TC 23
MACOMB* MOSUNNY 74 60 61 N5 30.07S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-240000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 73 55 52 N6 30.03F TC 23
BLOOMINGTON MOSUNNY 75 56 51 N10 30.05S TC 24
DECATUR MOSUNNY 76 55 48 NW10 30.03F TC 24
PEORIA SUNNY 75 55 50 N6 30.03F TC 24
LACON* MOSUNNY 74 53 47 N6 30.03S TC 23
LINCOLN* MOSUNNY 77 60 54 N6 30.03S TC 25
SPRINGFIELD MOSUNNY 75 57 53 NW6 30.04S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-240000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 74 60 61 N12 30.03S TC 23
RANTOUL* MOSUNNY 73 56 55 N12G17 30.03S TC 23
MATTOON MOSUNNY 75 56 51 NW9 30.02S TC 24
PARIS* MOSUNNY 75 58 55 NW6 30.02S TC 24
ILZ079-100>102-240000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 57 50 N8 30.03F TC 25
BELLEVILLE SUNNY 79 60 52 N7 30.00F HX 80 TC 26
CAHOKIA* PTSUNNY 79 57 46 N8 30.02F HX 80 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 81 61 50 NW6 30.02S HX 81 TC 27
EFFINGHAM* MOSUNNY 78 56 47 NW7 30.04S TC 25
MT. VERNON PTSUNNY 79 57 46 N5 30.03S HX 80 TC 26
CENTRALIA* PTSUNNY 78 56 47 N9 30.03S TC 26
SALEM* MOSUNNY 78 61 56 MISG 30.03S TC 25
ILZ067-068-072-073-078-083-087-091-240000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 78 56 46 NW10 30.02R TC 26
FAIRFIELD* MOSUNNY 78 55 45 NW5 30.02R TC 26
HARRISBURG* PTSUNNY 80 60 50 NW6 30.02S HX 81 TC 27
ROBINSON* MOSUNNY 79 55 44 NW8 30.01S TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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