945
ASUS43 KLOT 181808
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM 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.
ILZ001-002-007-009-015-016-024-181900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 89 77 67 S7 29.97F HX 101 TC 32
6HR MIN TEMP: 71; 6HR MAX TEMP: 89;
ILZ003-004-008-010-011-017-018-181900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 85 76 74 S10 30.01F HX 94 TC 29
6HR MIN TEMP: 72; 6HR MAX TEMP: 85;
ROCHELLE* PTSUNNY 86 77 75 S8 30.02F HX 97 TC 30
DE KALB* PTSUNNY 84 77 79 SE14G21 30.04F HX 94 TC 29
PERU* PTSUNNY 87 79 77 S6 30.02S HX 101 TC 31
ILZ005-006-012>014-019>023-181900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 81 72 74 S12 30.05F HX 85 TC 27
6HR MIN TEMP: 73; 6HR MAX TEMP: 82; 6HR PCP: TRACE;
CHICAGO-MIDWAY PTSUNNY 83 72 69 SE14G24 30.05F HX 88 TC 28
6HR MIN TEMP: 73; 6HR MAX TEMP: 83; 6HR PCP: TRACE;
AURORA CLOUDY 86 77 74 S13 30.04S HX 97 TC 30
6HR MIN TEMP: 74; 6HR MAX TEMP: 86;
JOLIET* CLOUDY 84 77 79 S10G17 30.05S HX 94 TC 29
WAUKEGAN MOSUNNY 80 69 69 SE15 30.05F HX 83 TC 27
6HR MIN TEMP: 74; 6HR MAX TEMP: 81;
DUPAGE AIRPORT PTSUNNY 85 74 69 S13 30.04S HX 92 TC 29
6HR MIN TEMP: 73; 6HR MAX TEMP: 85;
KANKAKEE* MOSUNNY 81 75 83 SE13 30.07F HX 86 TC 27
WHEELING MOSUNNY 84 73 69 SE12 30.06F HX 90 TC 29
6HR MIN TEMP: 71; 6HR MAX TEMP: 84; 6HR PCP: 0.01;
MORRIS* PTSUNNY 84 79 83 S14 30.03F HX 96 TC 29
ROMEOVILLE* PTSUNNY 84 79 84 MISG 30.06F HX 96 TC 29
LANSING* PTSUNNY 79 73 80 SE14 30.08F HX 82 TC 26
NORTHERLY ISL* N/A 79 72 79 E10 N/A HX 82 TC 26
LMZ740>746-181900-
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 73 76 140/ 17/ 21 1018.0F
WINTHROP HARBOR 75 75 140/ 16/ 19 N/A 4/ 5
WAUKEGAN HARBOR 75 76 140/ 16/ 19 N/A 3/ 5
WILMETTE BUOY 74 150/ 16/ 19 1019.9F 3/ 5
NORTHERLY ISL 78 120/ 7/ 10 N/A
CALUMET HARBOR 77 130/ 5/ 8 1017.1F
BURNS HARBOR 77 160/ 5/ 9 1019.3F
MICHIGAN CITY 71 120/ 8/ 12 1017.9F
MICH CITY BUOY 72 76 110/ 10/ 16 1017.9F 2/ 6
ST. JOSEPH BUOY 71 75 110/ 16/ 21 1019.9F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 84 74 71 SW8 30.00F HX 91 TC 29
GALESBURG* SUNNY 89 75 63 S12 30.00F HX 100 TC 32
MACOMB* MOSUNNY 91 78 64 S10G17 30.02F HX 106 TC 33
JACKSONVILLE* SUNNY 90 76 62 S9 30.01F HX 101 TC 32
PITTSFIELD* PTSUNNY 86 71 61 S7 30.03F HX 91 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 87 77 71 S14G23 30.04F HX 99 TC 31
BLOOMINGTON SUNNY 89 76 65 S18 30.06F HX 100 TC 32
DECATUR SUNNY 91 76 61 SW10 30.05F HX 103 TC 33
PEORIA SUNNY 91 76 61 SW15 30.00F HX 103 TC 33
6HR MIN TEMP: 76; 6HR MAX TEMP: 92;
LACON* MOSUNNY 89 76 64 S10 30.00S HX 100 TC 32
LINCOLN* SUNNY 90 76 65 S8 30.03F HX 101 TC 32
SPRINGFIELD SUNNY 90 76 63 SW9 30.03F HX 101 TC 32
6HR MIN TEMP: 77; 6HR MAX TEMP: 91;
TAYLORVILLE SUNNY 90 77 66 S8 30.05F HX 102 TC 32
ILZ033-039-045-046-055>057-062-063-181900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 89 77 67 S10 30.07F HX 101 TC 32
DANVILLE* CLOUDY 86 76 71 SE7 30.09F HX 96 TC 30
RANTOUL* MOSUNNY 89 75 63 S10 30.07F HX 98 TC 32
MATTOON SUNNY 89 74 60 S9 30.07F HX 98 TC 32
PARIS* MOSUNNY 88 76 67 S8 30.08F HX 98 TC 31
ILZ079-100>102-181900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 75 59 S9 30.05F HX 102 TC 33
BELLEVILLE SUNNY 94 75 54 S8 30.02F HX 106 TC 35
CAHOKIA* SUNNY 94 77 57 S8 30.03F HX 108 TC 34
SPARTA* SUNNY 96 70 43 S8 30.07F HX 102 TC 35
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 71 48 VRB3 30.06F HX 100 TC 34
6HR MIN TEMP: 73; 6HR MAX TEMP: 93;
CAIRO* SUNNY 91 76 60 CALM 30.07F HX 103 TC 33
EFFINGHAM* SUNNY 90 73 57 S6 30.09F HX 98 TC 32
MARION MOSUNNY 91 72 52 SW7 30.07F HX 98 TC 33
MT. VERNON SUNNY 95 71 45 S8 30.07F HX 102 TC 35
CENTRALIA* SUNNY 94 71 46 SW3 30.07F HX 100 TC 34
SALEM* SUNNY 92 71 50 S5 30.06F HX 99 TC 34
METROPOLIS* SUNNY 92 69 45 CALM 30.07F HX 97 TC 34
ILZ067-068-072-073-078-083-087-091-181900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 89 75 63 SE5 30.09F HX 99 TC 32
FLORA* SUNNY 90 75 62 S3 30.08F HX 100 TC 32
FAIRFIELD* SUNNY 89 71 54 CALM 30.08F HX 94 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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