896
ASUS43 KLOT 181413
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT MON AUG 18 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.
ILZ001-002-007-009-015-016-024-181500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 79 74 84 S7 30.02R HX 82 TC 26
ILZ003-004-008-010-011-017-018-181500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 75 72 90 SE10 30.07R TC 24
ROCHELLE* CLOUDY 75 72 89 SE9 30.07R TC 24
DE KALB* CLOUDY 74 72 95 SE14 30.09R TC 23
PERU* MOSUNNY 78 75 90 SE7 30.06R HX 81 TC 26
ILZ005-006-012>014-019>023-181500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 74 65 73 SE10 30.08S TC 23
CHICAGO-MIDWAY PTSUNNY 76 64 66 SE8 30.09S TC 24
AURORA CLOUDY 76 70 82 SE9 30.08R TC 24
JOLIET* CLOUDY 75 71 88 SE9 30.09S TC 24
WAUKEGAN CLOUDY 74 67 78 MISG 30.09S TC 23
DUPAGE AIRPORT PTSUNNY 75 68 78 SE10 30.08S TC 24
KANKAKEE* CLOUDY 73 72 94 SE12 30.11S TC 23
WHEELING MOSUNNY 74 70 87 SE9 30.10S TC 23
MORRIS* CLOUDY 75 73 94 SE8 30.06S TC 24
ROMEOVILLE* MOSUNNY 73 72 94 SE12G18 30.10R TC 23
LANSING* CLOUDY 73 66 79 S14 30.11S TC 23
NORTHERLY ISL* N/A 73 65 75 SE9 N/A TC 23
LMZ740>746-181500-
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 70 75 140/ 17/ 21 1019.6F 4/ 5
WINTHROP HARBOR 73 75 150/ 16/ 19 N/A 5/ 6
WAUKEGAN HARBOR 73 75 150/ 16/ 19 N/A 4/ 5
WILMETTE BUOY 71 140/ 14/ 19 1020.8R 5/ 5
NORTHERLY ISL 70 130/ 7/ 13 N/A
CALUMET HARBOR 71 150/ 8/ 11 1018.0
BURNS HARBOR 73 160/ 7/ 11 1019.6R
MICHIGAN CITY 71 140/ 15/ 18 1017.8R
MICH CITY BUOY 72 77 140/ 16/ 21 1017.6R 3/ 6
ST. JOSEPH BUOY 70 75 100/ 17/ 23 1020.5R 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-181500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 82 74 76 S8 30.03R HX 88 TC 28
GALESBURG* SUNNY 79 76 91 S8 30.05R HX 84 TC 26
MACOMB* SUNNY 82 77 86 S5 30.05S HX 90 TC 28
JACKSONVILLE* SUNNY 83 73 72 S10 30.05S HX 88 TC 28
PITTSFIELD* SUNNY 82 77 85 S7 30.06S HX 90 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-181500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 75 74 97 SE9 30.08R TC 24
BLOOMINGTON MOSUNNY 80 75 84 S13 30.09R HX 85 TC 27
DECATUR PTSUNNY 82 74 76 S9 30.09R HX 88 TC 28
PEORIA SUNNY 81 74 79 S10 30.05R HX 86 TC 27
LACON* SUNNY 79 73 82 S8 30.04S HX 82 TC 26
LINCOLN* MOSUNNY 83 74 74 S7 30.07R HX 89 TC 28
SPRINGFIELD SUNNY 82 75 79 S10 30.06R HX 89 TC 28
TAYLORVILLE SUNNY 81 73 78 S8 30.08S HX 85 TC 27
ILZ033-039-045-046-055>057-062-063-181500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 81 76 84 SE7 30.09R HX 87 TC 27
DANVILLE* CLOUDY 77 74 90 SE7 30.10S TC 25
RANTOUL* SUNNY 78 74 86 SE7 30.09S HX 81 TC 26
MATTOON SUNNY 81 74 79 SE10 30.09R HX 86 TC 27
PARIS* SUNNY 80 74 84 SE8 30.10R HX 84 TC 27
ILZ079-100>102-181500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 75 78 S8 30.07R HX 89 TC 28
BELLEVILLE SUNNY 84 75 74 S7 30.05R HX 92 TC 29
CAHOKIA* SUNNY 84 76 76 VRB5 30.06R HX 93 TC 29
SPARTA* SUNNY 85 71 63 S5 30.09R HX 90 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 72 71 CALM 30.07R HX 87 TC 28
CAIRO* SUNNY 83 76 78 E5 30.07S HX 92 TC 29
EFFINGHAM* SUNNY 82 75 80 SE6 30.11R HX 89 TC 28
MARION SUNNY 82 73 74 SE6 30.08R HX 88 TC 28
MT. VERNON SUNNY 83 73 72 S6 30.09R HX 89 TC 28
CENTRALIA* SUNNY 83 72 68 SE7 30.09R HX 89 TC 29
SALEM* SUNNY 83 72 68 SE8 30.09R HX 89 TC 29
METROPOLIS* SUNNY 82 72 71 CALM 30.08R HX 86 TC 28
ILZ067-068-072-073-078-083-087-091-181500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 81 74 79 SE7 30.09R HX 86 TC 27
FLORA* SUNNY 81 75 83 S6 30.09R HX 86 TC 27
FAIRFIELD* SUNNY 81 72 75 SE6 30.08S HX 85 TC 27
HARRISBURG* SUNNY 82 72 71 SE6 30.09R HX 86 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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