672
ASUS43 KLOT 182308
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-190000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 77 73 88 MISG 29.92R THUNDER TC 25
ILZ003-004-008-010-011-017-018-190000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 76 71 85 S14G20 29.94S TC 24
ROCHELLE* PTSUNNY 73 69 85 S16 29.94F TC 23
DE KALB* PTSUNNY 72 71 97 S8 29.99R TC 22
PERU* MOSUNNY 90 80 72 S13G18 29.92F HX 106 TC 32
ILZ005-006-012>014-019>023-190000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE TSTM 71 70 96 S10 29.99R FOG TC 22
CHICAGO-MIDWAY TSTM 77 69 76 NW14G25 30.03R FOG TC 25
AURORA TSTM 74 68 81 CALM 29.98S TC 23
JOLIET* CLOUDY 85 81 88 CALM 29.98R HX 99 TC 29
WAUKEGAN LGT RAIN 78 73 84 S6G21 29.96S HX 81 TC 26
DUPAGE AIRPORT TSTM 73 70 90 SE9 30.00R FOG TC 23
KANKAKEE* MOSUNNY 84 79 84 SE8 29.99F HX 96 TC 29
WHEELING TSTM 73 72 96 S15 30.00R FOG TC 23
MORRIS* MOSUNNY 85 79 82 CALM 29.96R HX 97 TC 29
ROMEOVILLE* PTSUNNY 82 77 83 N15 30.01 HX 91 TC 28
LANSING* MOSUNNY 82 76 80 S10 30.00R HX 90 TC 28
NORTHERLY ISL* N/A 82 73 74 S9 N/A HX 87 TC 28
LMZ740>746-190000-
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 76 76 140/ 14/ 16 1015.0F 3/ 5
WINTHROP HARBOR 76 74 170/ 8/ 12 N/A 3/ 5
WAUKEGAN HARBOR 77 76 N/A 3/ 4
WILMETTE BUOY 77 210/ 14/ 19 1017.6R 2/ 4
NORTHERLY ISL 82 170/ 6/ 13 N/A
CALUMET HARBOR 84 160/ 7/ 13 1014.1
BURNS HARBOR 84 170/ 5/ 9 1015.9F
MICHIGAN CITY 83 150/ 10/ 14 1013.6F
MICH CITY BUOY 81 77 150/ 10/ 12 1013.9F 1
ST. JOSEPH BUOY 78 75 110/ 14/ 17 1016.8F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-190000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 91 78 65 S8 29.95S HX 106 TC 33
GALESBURG* MOSUNNY 85 73 67 SW7 29.96R HX 92 TC 30
MACOMB* SUNNY 91 78 66 SW6 29.97R HX 104 TC 33
JACKSONVILLE* SUNNY 91 75 59 S7 29.95S HX 100 TC 33
PITTSFIELD* MOSUNNY 92 78 65 S5 29.97S HX 107 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-190000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 88 77 68 S9 29.97S HX 100 TC 31
BLOOMINGTON SUNNY 89 78 70 S14 29.99S HX 103 TC 32
DECATUR SUNNY 91 77 63 S12 29.98F HX 104 TC 33
PEORIA SUNNY 91 76 61 S13 29.95R HX 103 TC 33
LACON* SUNNY 88 76 69 S7 29.93R HX 99 TC 31
LINCOLN* SUNNY 91 76 62 S9 29.96S HX 102 TC 33
SPRINGFIELD SUNNY 90 75 61 S9 29.96F HX 100 TC 32
TAYLORVILLE SUNNY 90 75 62 S7 29.97F HX 100 TC 32
ILZ033-039-045-046-055>057-062-063-190000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 89 76 65 S13 29.99F HX 100 TC 32
DANVILLE* MOSUNNY 84 78 80 SE9 30.01S HX 95 TC 29
RANTOUL* SUNNY 89 77 68 S7 29.99S HX 100 TC 31
MATTOON SUNNY 89 74 60 SE8 29.99F HX 98 TC 32
PARIS* MOSUNNY 87 76 70 S6 30.01S HX 97 TC 31
ILZ079-100>102-190000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 77 62 SE6 29.96 HX 105 TC 33
BELLEVILLE SUNNY 95 74 49 S8 29.93F HX 105 TC 35
CAHOKIA* MOSUNNY 93 76 57 S7 29.95F HX 105 TC 34
SPARTA* SUNNY 96 70 42 SE8 29.99S HX 102 TC 36
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 75 55 SE3 29.98F HX 104 TC 34
CAIRO* SUNNY 94 74 51 CALM 29.98F HX 105 TC 35
EFFINGHAM* SUNNY 90 75 61 SE8 30.01S HX 100 TC 32
MARION SUNNY 93 72 49 S6 29.98F HX 100 TC 34
MT. VERNON SUNNY 95 73 48 SE3 29.99F HX 104 TC 35
CENTRALIA* SUNNY 95 73 49 SE7 29.97F HX 103 TC 35
SALEM* SUNNY 93 72 49 SE9 29.97F HX 101 TC 34
METROPOLIS* SUNNY 94 69 43 CALM 29.99F HX 100 TC 35
ILZ067-068-072-073-078-083-087-091-190000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 88 77 69 SE7 30.00F HX 100 TC 31
FLORA* SUNNY 90 77 66 S7 29.99F HX 102 TC 32
FAIRFIELD* SUNNY 90 73 56 E7 29.99F HX 98 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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