560
ASUS43 KLOT 180310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-180400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 79 73 82 E9 30.01R HX 82 TC 26
ILZ003-004-008-010-011-017-018-180400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 72 67 84 NE3 30.09S TC 22
ROCHELLE* MOCLDY 72 65 79 E8 30.08R TC 22
DE KALB* MOCLDY 70 67 88 E8 30.08F TC 21
PERU* PTCLDY 75 74 95 E8 30.05S TC 24
ILZ005-006-012>014-019>023-180400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 73 67 81 NE10 30.07F TC 23
CHICAGO-MIDWAY PTCLDY 75 66 73 NE7 30.07F TC 24
AURORA MOCLDY 73 66 78 E8 30.06F TC 23
JOLIET* MOCLDY 75 70 83 CALM 30.07F TC 24
WAUKEGAN CLEAR 72 66 81 NE7 30.08F TC 22
DUPAGE AIRPORT PTCLDY 72 65 78 NE10 30.07F TC 22
KANKAKEE* PTCLDY 73 72 94 NE8 30.07F TC 23
WHEELING PTCLDY 73 67 81 MISG 30.09F TC 23
MORRIS* MOCLDY 73 70 92 E6 30.05S TC 23
ROMEOVILLE* MOCLDY 73 70 88 NE8 30.08F TC 23
LANSING* PTCLDY 73 69 87 NE7 30.08S TC 23
NORTHERLY ISL* N/A 73 67 81 N5 N/A TC 23
LMZ740>746-180400-
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 76 10/ 10/ 12 1018.5R 3/ 6
WINTHROP HARBOR 74 75 320/ 12/ 16 N/A 2/ 6
WAUKEGAN HARBOR 74 76 340/ 12/ 16 N/A 2/ 6
WILMETTE BUOY 74 20/ 14/ 17 1020.7F 3/ 5
NORTHERLY ISL 73 10/ 6/ 11 N/A
CALUMET HARBOR 74 360/ 5/ 10 1017.6R
BURNS HARBOR 76 40/ 7/ 8 1019.0R
MICHIGAN CITY 76 20/ 11/ 12 1017.2R
MICH CITY BUOY 76 78 20/ 10/ 14 1016.8S 3/ 5
ST. JOSEPH BUOY 76 340/ 12/ 14 1019.3R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-180400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 75 70 84 CALM 30.00S TC 24
GALESBURG* PTCLDY 80 76 89 E3 30.03S HX 85 TC 27
MACOMB* MOCLDY 76 75 97 CALM 30.03S TC 24
JACKSONVILLE* PTCLDY 78 78 98 CALM 30.01S HX 81 TC 26
PITTSFIELD* PTCLDY 77 77 98 CALM 30.02S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-180400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 75 74 97 E7 30.06S TC 24
BLOOMINGTON CLEAR 78 78 100 E5 30.05S HX 81 TC 26
DECATUR CLEAR 79 76 90 E5 30.04R HX 83 TC 26
PEORIA PTCLDY 82 77 84 SE5 30.02R HX 90 TC 28
LACON* PTCLDY 78 72 83 E7 30.02F TC 25
LINCOLN* CLEAR 80 80 100 CALM 30.02S HX 89 TC 27
SPRINGFIELD PTCLDY 81 77 88 E6 30.01R HX 88 TC 27
TAYLORVILLE PTCLDY 81 77 89 S6 30.03R HX 88 TC 27
ILZ033-039-045-046-055>057-062-063-180400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 79 73 82 E6 30.05R HX 82 TC 26
DANVILLE* PTCLDY 78 76 92 NE3 30.06R HX 80 TC 26
RANTOUL* PTCLDY 77 70 79 NE3 30.05S TC 25
MATTOON CLEAR 80 76 87 S6 30.03R HX 86 TC 27
PARIS* CLEAR 76 75 98 S3 30.04S TC 24
ILZ079-100>102-180400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR N/A N/A N/A VRB3 30.01R
BELLEVILLE CLEAR 83 78 83 CALM 29.99R HX 92 TC 28
CAHOKIA* CLEAR 80 76 87 SE5 29.99R HX 86 TC 27
SPARTA* CLEAR 84 76 76 CALM 30.02S HX 92 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 80 76 87 E3 30.00R HX 86 TC 27
CAIRO* PTCLDY 82 77 85 CALM 30.00S HX 89 TC 28
EFFINGHAM* PTCLDY 78 78 98 CALM 30.05R HX 81 TC 26
MARION PTCLDY N/A N/A N/A CALM 30.02S
MT. VERNON CLEAR 81 76 84 CALM 30.02S HX 87 TC 27
CENTRALIA* CLEAR 79 76 89 CALM 30.03R HX 83 TC 26
SALEM* CLEAR 83 75 75 CALM 30.03R HX 91 TC 29
METROPOLIS* PTCLDY 80 74 80 CALM 30.01S HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-180400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 79 75 87 CALM 30.03R HX 83 TC 26
FLORA* PTCLDY 79 77 94 CALM 30.02F HX 83 TC 26
FAIRFIELD* PTCLDY 77 73 88 CALM 30.02S TC 25
HARRISBURG* PTCLDY 79 74 83 CALM 30.02S HX 83 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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