898
ASUS43 KLOT 181611
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-181700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 86 76 71 S6 30.01F HX 96 TC 30
ILZ003-004-008-010-011-017-018-181700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 75 82 SE10 30.06F HX 87 TC 27
ROCHELLE* MOSUNNY 81 74 80 S13 30.06F HX 86 TC 27
DE KALB* MOSUNNY 80 75 83 SE13 30.08F HX 85 TC 27
PERU* MOSUNNY 84 78 82 S8 30.06F HX 95 TC 29
ILZ005-006-012>014-019>023-181700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 69 76 SE9 30.09S TC 25
CHICAGO-MIDWAY PTSUNNY 79 68 69 S9 30.09S HX 81 TC 26
AURORA MOSUNNY 81 73 76 SE12 30.08F HX 86 TC 27
JOLIET* MOSUNNY 81 75 82 S7 30.09S HX 87 TC 27
WAUKEGAN PTSUNNY 78 68 71 SE15 30.09S HX 80 TC 26
DUPAGE AIRPORT MOSUNNY 79 71 76 S12 30.08F HX 82 TC 26
KANKAKEE* PTSUNNY 77 73 88 SE8 30.11S TC 25
WHEELING MOSUNNY 79 70 74 S9 30.10S HX 82 TC 26
MORRIS* MOSUNNY 81 75 84 S9 30.08S HX 86 TC 27
ROMEOVILLE* LGT RAIN 77 75 94 SE12 30.10S TC 25
LANSING* MOSUNNY 78 71 78 S9 30.11S HX 81 TC 26
NORTHERLY ISL* N/A 72 67 84 SE7 N/A TC 22
LMZ740>746-181700-
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 76 140/ 14/ 19 1019.9S 3/ 4
WINTHROP HARBOR 73 75 160/ 14/ 19 N/A 4/ 5
WAUKEGAN HARBOR 74 75 150/ 14/ 17 N/A 4/ 5
WILMETTE BUOY 73 160/ 14/ 19 1021.3R 3/ 5
NORTHERLY ISL 72 140/ 5/ 10 N/A
CALUMET HARBOR 75 140/ 2/ 7 1018.3
BURNS HARBOR 76 150/ 6/ 9 1020.3R
MICHIGAN CITY 69 120/ 12/ 15 1018.7R
MICH CITY BUOY 71 76 130/ 12/ 19 1018.5R 2/ 7
ST. JOSEPH BUOY 71 75 100/ 6/ 12 1021.3R 1/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-181700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 86 75 69 MISG 30.05R HX 95 TC 30
GALESBURG* SUNNY 86 76 71 S9 30.05F HX 96 TC 30
MACOMB* SUNNY 89 76 67 S6 30.07S HX 100 TC 32
JACKSONVILLE* SUNNY 88 74 64 S9 30.07S HX 97 TC 31
PITTSFIELD* MOSUNNY 89 77 67 SW8 30.08R HX 100 TC 31
ILZ028>032-037-038-041>044-048-051>054-059>061-181700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 84 77 79 S9 30.09S HX 93 TC 29
BLOOMINGTON MOSUNNY 86 76 71 S16 30.10S HX 96 TC 30
DECATUR PTSUNNY 87 75 67 S12 30.11R HX 96 TC 31
PEORIA SUNNY 87 76 69 SW8 30.06R HX 97 TC 31
LACON* SUNNY 86 74 69 S5 30.05S HX 94 TC 30
LINCOLN* MOSUNNY 87 75 67 S10 30.08R HX 95 TC 30
SPRINGFIELD SUNNY 88 76 67 S12 30.07S HX 99 TC 31
TAYLORVILLE SUNNY 84 73 70 S10 30.10S HX 91 TC 29
ILZ033-039-045-046-055>057-062-063-181700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 85 77 77 S8 30.11R HX 95 TC 29
DANVILLE* CLOUDY 82 75 78 SE6 30.12S HX 89 TC 28
RANTOUL* MOSUNNY 85 75 71 S10 30.11S HX 94 TC 30
MATTOON SUNNY 86 75 69 S12 30.11R HX 95 TC 30
PARIS* SUNNY 85 74 68 S7 30.12S THUNDER HX 92
ILZ079-100>102-181700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 75 66 S9 30.09R HX 97 TC 31
BELLEVILLE SUNNY 90 75 62 S8 30.06S HX 100 TC 32
CAHOKIA* SUNNY 90 76 63 S7 30.07S HX 101 TC 32
SPARTA* SUNNY 92 68 46 S5 30.11R HX 96 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 89 73 59 SW5 30.09S HX 97 TC 32
CAIRO* SUNNY 89 76 64 CALM 30.09S HX 100 TC 32
EFFINGHAM* SUNNY 87 75 66 SE8 30.13R HX 96 TC 31
MARION SUNNY 88 73 62 S6 30.10R HX 96 TC 31
MT. VERNON SUNNY 90 72 55 VRB5 30.11R HX 97 TC 32
CENTRALIA* SUNNY 90 72 54 S6 30.10S HX 96 TC 32
SALEM* SUNNY 89 70 53 S6 30.11R HX 95 TC 32
METROPOLIS* SUNNY 89 70 53 CALM 30.10R HX 94 TC 32
ILZ067-068-072-073-078-083-087-091-181700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 86 74 67 S7 30.11R HX 94 TC 30
FLORA* SUNNY 86 73 66 S6 30.11S HX 93 TC 30
FAIRFIELD* SUNNY 85 72 63 SE5 30.11R HX 91 TC 30
HARRISBURG* SUNNY 88 73 60 S5 30.10S HX 95 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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