814
ASUS43 KLOT 181908
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-182000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 91 77 63 SW6 29.96F HX 104 TC 33
ILZ003-004-008-010-011-017-018-182000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 87 78 74 SE8 30.01F HX 100 TC 31
ROCHELLE* PTSUNNY 87 77 71 S10 30.00F HX 98 TC 30
DE KALB* PTSUNNY 85 78 80 SE13 30.03S HX 96 TC 29
PERU* MOSUNNY 90 80 73 S12 29.99F HX 106 TC 32
ILZ005-006-012>014-019>023-182000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 84 74 71 S10 30.03F HX 91 TC 29
CHICAGO-MIDWAY PTSUNNY 85 72 65 S10G23 30.04F HX 91 TC 29
AURORA MOSUNNY 87 78 74 S13 30.01F HX 100 TC 31
JOLIET* CLOUDY 86 79 80 S8 30.04F HX 100 TC 30
WAUKEGAN MOSUNNY 80 70 71 SE17G24 30.03F HX 83 TC 27
DUPAGE AIRPORT PTSUNNY 85 74 69 SE13 30.02F HX 92 TC 29
KANKAKEE* PTSUNNY 82 77 83 SE12 30.06F HX 91 TC 28
WHEELING PTSUNNY 84 73 69 S14 30.04F HX 90 TC 29
MORRIS* CLOUDY 85 80 84 S9 30.02F HX 100 TC 30
ROMEOVILLE* CLOUDY 84 79 84 SE12 30.05F HX 96 TC 29
LANSING* MOSUNNY 83 75 76 S12 30.07S HX 90 TC 28
NORTHERLY ISL* N/A 79 72 79 SE8 N/A HX 82 TC 26
LMZ740>746-182000-
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/ 19 1018.1S
WINTHROP HARBOR 75 75 150/ 16/ 21 N/A 4/ 5
WAUKEGAN HARBOR 75 76 N/A 3/ 4
WILMETTE BUOY 74 150/ 16/ 19 1019.7F 3/ 4
NORTHERLY ISL 78 120/ 4/ 13 N/A
CALUMET HARBOR 80 150/ 7/ 12 1016.9F
BURNS HARBOR 76 120/ 5/ 8 1019.0F
MICHIGAN CITY 71 130/ 11/ 14 1017.1F
MICH CITY BUOY 73 76 130/ 12/ 16 1016.9F 2/ 6
ST. JOSEPH BUOY 73 75 110/ 16/ 19 1019.8S 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-182000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 88 73 61 S12 29.99F HX 95 TC 31
GALESBURG* SUNNY 90 77 66 S13 29.98F HX 103 TC 32
MACOMB* SUNNY 92 78 61 S9 30.00F HX 107 TC 34
JACKSONVILLE* MOSUNNY 91 75 59 S10 30.01S HX 101 TC 33
PITTSFIELD* MOSUNNY 91 77 63 S9 30.02S HX 105 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-182000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 89 77 67 S9G16 30.03S HX 100 TC 32
BLOOMINGTON SUNNY 90 77 65 SW13 30.05F HX 103 TC 32
DECATUR SUNNY 92 77 61 S10 30.04F HX 105 TC 33
PEORIA PTSUNNY 91 76 61 S16 29.99F HX 103 TC 33
LACON* PTSUNNY 90 76 64 S8 29.98F HX 101 TC 32
LINCOLN* SUNNY 91 76 62 S12 30.02F HX 103 TC 33
SPRINGFIELD MOSUNNY 92 76 59 S14G21 30.01F HX 104 TC 33
TAYLORVILLE SUNNY 90 77 66 S12 30.03F HX 102 TC 32
ILZ033-039-045-046-055>057-062-063-182000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 91 78 65 S8 30.06F HX 106 TC 33
DANVILLE* PTSUNNY 87 77 71 S6 30.07F HX 98 TC 31
RANTOUL* MOSUNNY 91 75 59 S12 30.06S HX 102 TC 33
PARIS* MOSUNNY 88 75 65 S7 30.07F HX 98 TC 31
ILZ079-100>102-182000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 93 75 55 S9 30.03F HX 104 TC 34
BELLEVILLE SUNNY 96 74 50 S10 30.00F HX 107 TC 35
CAHOKIA* SUNNY 95 76 53 S9 30.01F HX 108 TC 35
SPARTA* SUNNY 96 69 40 SE3 30.04F HX 101 TC 36
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 94 72 48 CALM 30.04F HX 102 TC 34
CAIRO* SUNNY 94 74 52 SE3 30.04F HX 103 TC 34
EFFINGHAM* SUNNY 92 75 57 SE9 30.07F HX 102 TC 33
MARION SUNNY 93 72 49 CALM 30.05F HX 100 TC 34
MT. VERNON SUNNY 96 72 45 S6 30.05F HX 104 TC 36
CENTRALIA* SUNNY 96 72 46 SE3 30.04F HX 104 TC 35
SALEM* SUNNY 94 70 45 SW3 30.05F HX 100 TC 35
METROPOLIS* SUNNY 93 69 45 CALM 30.06F HX 97 TC 34
ILZ067-068-072-073-078-083-087-091-182000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 89 74 60 SE5 30.06F HX 98 TC 32
FLORA* SUNNY 90 75 62 S3 30.06F HX 100 TC 32
FAIRFIELD* SUNNY 91 72 53 SW5 30.05F HX 98 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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