856
ASUS43 KLOT 172312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-180000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 89 79 72 S6 29.97S HX 104 TC 32
STERLING* PTSUNNY 80 75 84 E12 30.01S HX 85 TC 27
ILZ003-004-008-010-011-017-018-180000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 79 71 76 E10G18 30.05S HX 82 TC 26
ROCHELLE* CLOUDY 82 73 74 E13 30.04R HX 87 TC 28
DE KALB* MOSUNNY 78 71 78 E10 30.06S HX 81 TC 26
PERU* CLOUDY 86 78 76 E8 30.01S HX 98 TC 30
ILZ005-006-012>014-019>023-180000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 67 71 NE10 30.05F TC 25
CHICAGO-MIDWAY PTSUNNY 80 68 66 NE9 30.05S HX 83 TC 27
AURORA MOSUNNY 81 71 71 E12 30.04S HX 85 TC 27
JOLIET* MOSUNNY 82 73 76 E9 30.04F HX 87 TC 28
WAUKEGAN MOSUNNY 76 66 71 NE10 30.07S TC 24
DUPAGE AIRPORT SUNNY 78 68 71 E13 30.04F HX 80 TC 26
KANKAKEE* MOSUNNY 82 75 78 E6 30.04S HX 89 TC 28
WHEELING MOSUNNY 77 67 71 E8 30.08S TC 25
MORRIS* MOSUNNY 81 75 83 E8 30.02S HX 86 TC 27
ROMEOVILLE* MOSUNNY 81 75 83 NE13 30.05R HX 86 TC 27
LANSING* MOSUNNY 78 71 80 NE9 30.06S HX 80 TC 26
NORTHERLY ISL* N/A 76 68 76 N5 N/A TC 24
LMZ740>746-180000-
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 20/ 12/ 14 1017.6S
WINTHROP HARBOR 74 75 320/ 10/ 14 N/A 3/ 4
WAUKEGAN HARBOR 74 76 340/ 10/ 14 N/A 2/ 5
WILMETTE BUOY 75 20/ 8/ 14 1020.7F 2/ 5
NORTHERLY ISL 76 20/ 9/ 10 N/A
CALUMET HARBOR 76 20/ 6/ 10 1016.9
BURNS HARBOR 76 340/ 4/ 5 1018.3S
MICHIGAN CITY 78 350/ 9/ 9 1015.8F
MICH CITY BUOY 76 78 340/ 6/ 10 1016.0F 2/ 4
ST. JOSEPH BUOY 76 78 320/ 12/ 16 1018.0S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 75 69 81 CALM 29.99F TC 24
GALESBURG* SUNNY 88 77 69 S6 30.00F HX 101 TC 31
MACOMB* PTSUNNY 86 80 82 S3 30.01F HX 101 TC 30
JACKSONVILLE* MOSUNNY 87 77 72 CALM 29.99F HX 99 TC 31
PITTSFIELD* PTSUNNY 79 77 91 E3 30.00F HX 84 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-180000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 84 79 83 E8 30.02R HX 96 TC 29
BLOOMINGTON SUNNY 87 77 72 SE5 30.03S HX 99 TC 31
DECATUR SUNNY 89 78 70 SW3 30.02S HX 103 TC 32
PEORIA SUNNY 89 75 63 S7 29.99S HX 99 TC 32
LACON* SUNNY 87 76 69 S7 29.99S HX 97 TC 31
LINCOLN* SUNNY 89 79 73 S5 30.00F HX 104 TC 32
SPRINGFIELD SUNNY 90 79 70 W6 29.99F HX 106 TC 32
TAYLORVILLE SUNNY 90 79 70 CALM 30.00F HX 105 TC 32
ILZ033-039-045-046-055>057-062-063-180000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 88 76 67 W5 30.02F HX 99 TC 31
DANVILLE* MOSUNNY 84 77 79 NE5 30.03F HX 94 TC 29
RANTOUL* PTSUNNY 87 75 66 E3 30.01F HX 96 TC 31
MATTOON SUNNY 88 73 61 S5 30.01F HX 95 TC 31
PARIS* MOSUNNY 86 76 72 SE3 30.02F HX 96 TC 30
ILZ079-100>102-180000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 90 79 70 SE6 29.99F HX 105 TC 32
BELLEVILLE SUNNY 94 78 60 SE8 29.97S HX 109 TC 34
CAHOKIA* MOSUNNY 94 75 54 SE9 29.97 HX 105 TC 34
SPARTA* MOSUNNY 96 69 41 SE5 30.01S HX 101 TC 35
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 92 74 55 SE3 29.98F HX 101 TC 33
CAIRO* MOSUNNY 95 74 50 CALM 29.98F HX 105 TC 35
EFFINGHAM* SUNNY 89 76 65 SE3 30.03S HX 99 TC 32
MARION MOSUNNY 93 73 52 SE8 30.00S HX 102 TC 34
MT. VERNON SUNNY 94 75 54 SE5 30.01S HX 105 TC 34
CENTRALIA* SUNNY 94 73 50 CALM 30.00F HX 103 TC 35
SALEM* SUNNY 92 73 53 SE3 30.01S HX 101 TC 34
METROPOLIS* MOSUNNY 92 72 52 CALM 30.00S HX 99 TC 33
ILZ067-068-072-073-078-083-087-091-180000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 87 74 64 E3 30.01F HX 95 TC 31
FLORA* SUNNY 90 75 62 CALM 30.01F HX 100 TC 32
FAIRFIELD* MOSUNNY 90 72 55 CALM 30.01S HX 97 TC 32
HARRISBURG* PTSUNNY 91 74 57 E5 30.01S HX 99 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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