720
ASUS43 KLOT 172212
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT SUN AUG 17 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.
ILZ001-002-007-009-015-016-024-172300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 90 77 65 SE5 29.97F HX 103 TC 32
STERLING* MOSUNNY 86 79 79 E13 30.01S HX 99 TC 30
ILZ003-004-008-010-011-017-018-172300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 82 74 76 E9G17 30.05S HX 88 TC 28
ROCHELLE* CLOUDY 83 73 72 E8 30.04S HX 89 TC 29
DE KALB* PTSUNNY 80 73 77 E13 30.06S HX 84 TC 27
PERU* PTSUNNY 87 78 75 E8 30.01S HX 101 TC 31
ILZ005-006-012>014-019>023-172300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 68 73 NE8 30.06F TC 25
CHICAGO-MIDWAY PTSUNNY 79 68 69 E12 30.05F HX 81 TC 26
AURORA PTSUNNY 83 73 72 E15 30.04S HX 89 TC 28
JOLIET* PTSUNNY 83 76 78 NE10 30.04S HX 91 TC 28
WAUKEGAN MOSUNNY 77 65 66 N8G17 30.07F TC 25
DUPAGE AIRPORT MOSUNNY 80 69 69 NE14 30.05S HX 83 TC 27
KANKAKEE* PTSUNNY 84 75 74 E6 30.04S HX 92 TC 29
WHEELING CLOUDY 77 67 71 MISG 30.08F TC 25
MORRIS* PTSUNNY 84 77 80 E8 30.02S HX 93 TC 29
ROMEOVILLE* PTSUNNY 81 75 83 NE14 30.04F HX 86 TC 27
LANSING* PTSUNNY 79 72 78 NE9 30.06S HX 82 TC 26
NORTHERLY ISL* N/A 76 68 76 N9 N/A TC 24
LMZ740>746-172300-
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 74 77 10/ 14/ 16 1017.6F
WINTHROP HARBOR 74 75 340/ 10/ 14 N/A 3/ 5
WAUKEGAN HARBOR 74 76 340/ 10/ 14 N/A 2/ 5
WILMETTE BUOY 75 30/ 10/ 14 1020.9F 2/ 4
NORTHERLY ISL 76 30/ 7/ 11 N/A
CALUMET HARBOR 76 360/ 8/ 11 1017.0F
BURNS HARBOR 76 20/ 4/ 5 1018.3F
MICHIGAN CITY 78 360/ 8/ 8 1016.0F
MICH CITY BUOY 76 78 360/ 6/ 8 1016.2F 2/ 4
ST. JOSEPH BUOY 76 78 340/ 10/ 14 1018.1F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-172300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 75 69 81 S6 30.01S TC 24
GALESBURG* MOSUNNY 86 77 74 S3 30.01S HX 97 TC 30
MACOMB* PTSUNNY 88 80 77 S6 30.03S HX 104 TC 31
JACKSONVILLE* MOSUNNY 90 76 62 CALM 30.00S HX 102 TC 32
PITTSFIELD* CLOUDY 81 71 70 W13G18 30.05R HX 85 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-172300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 88 77 70 SE5 30.02S HX 101 TC 31
BLOOMINGTON SUNNY 88 76 67 SE7 30.03F HX 99 TC 31
DECATUR SUNNY 89 77 67 S7 30.02F HX 101 TC 32
PEORIA MOSUNNY 90 76 63 S7 29.99F HX 101 TC 32
LACON* SUNNY 87 75 68 SE5 30.00S HX 96 TC 30
LINCOLN* SUNNY 90 78 68 SE3 30.01S HX 104 TC 32
SPRINGFIELD SUNNY 91 76 61 W6 30.00S HX 103 TC 33
TAYLORVILLE SUNNY 90 77 66 SW5 30.01F HX 102 TC 32
ILZ033-039-045-046-055>057-062-063-172300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 90 73 57 W3 30.03S HX 98 TC 32
DANVILLE* PTSUNNY 87 76 69 NE3 30.04S VSB 1/4 HX 98
RANTOUL* CLOUDY 88 74 63 CALM 30.02F HX 97 TC 31
MATTOON SUNNY 89 73 59 S6 30.02S HX 97 TC 32
PARIS* MOSUNNY 87 76 71 S3 30.03S HX 98 TC 31
ILZ079-100>102-172300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 79 66 SE6 30.00S HX 107 TC 33
BELLEVILLE MOSUNNY 96 76 52 SE8 29.97S HX 109 TC 36
SPARTA* SUNNY 97 67 36 SE3 30.00S HX 101 TC 36
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 94 74 52 E5 29.99S HX 104 TC 34
CAIRO* SUNNY 96 74 47 CALM 29.99S HX 107 TC 36
EFFINGHAM* SUNNY 90 73 57 SE5 30.04S HX 98 TC 32
MARION MOSUNNY 93 73 52 SE6 30.00F HX 102 TC 34
MT. VERNON MOSUNNY 95 74 50 E7 30.01S HX 105 TC 35
CENTRALIA* SUNNY 95 72 46 CALM 30.01S HX 103 TC 35
SALEM* SUNNY 93 73 52 E5 30.01S HX 102 TC 34
METROPOLIS* MOSUNNY 96 70 43 CALM 30.00S HX 102 TC 36
ILZ067-068-072-073-078-083-087-091-172300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 88 72 58 E5 30.02F HX 94 TC 31
FLORA* SUNNY 90 73 58 SE7 30.02S HX 98 TC 32
FAIRFIELD* MOSUNNY 90 73 58 SE3 30.01F HX 97 TC 32
HARRISBURG* MOSUNNY 93 72 49 CALM 30.01S HX 100 TC 34
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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