677
ASUS43 KLOT 200310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT TUE AUG 19 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.
ILZ001-002-007-009-015-016-024-200400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 73 71 93 CALM 30.07R TC 23
ILZ003-004-008-010-011-017-018-200400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 69 68 96 CALM 30.09R TC 21
ROCHELLE* CLEAR 67 65 94 CALM 30.09R TC 20
DE KALB* CLEAR 69 69 99 CALM 30.09S TC 21
PERU* MOCLDY 72 71 96 CALM 30.07S TC 22
ILZ005-006-012>014-019>023-200400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 67 84 NE5 30.06R TC 22
CHICAGO-MIDWAY CLOUDY 75 67 76 CALM 30.06R TC 24
AURORA CLEAR 71 68 90 N3 30.07R TC 22
JOLIET* MOCLDY 75 69 82 CALM 30.07R TC 24
WAUKEGAN PTCLDY 68 65 90 CALM 30.07R TC 20
DUPAGE AIRPORT CLEAR 71 67 87 CALM 30.07R TC 22
KANKAKEE* CLOUDY 72 70 94 NE3 30.07S TC 22
WHEELING MOCLDY 73 68 84 CALM 30.08R TC 23
MORRIS* CLOUDY 73 73 99 CALM 30.06R TC 23
ROMEOVILLE* MOCLDY 73 72 94 NE6 30.08R TC 23
LANSING* CLOUDY 72 68 86 N3 30.07R TC 22
NORTHERLY ISL* N/A 72 66 81 N6 N/A TC 22
LMZ740>746-200400-
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 72 75 20/ 14/ 16 1017.4R 3/ 5
WINTHROP HARBOR 73 70 40/ 4/ 8 N/A 2/ 5
WAUKEGAN HARBOR 73 74 40/ 4/ 6 N/A 2/ 5
WILMETTE BUOY 73 20/ 6/ 10 1020.4R 3/ 6
NORTHERLY ISL 72 360/ 5/ 7 N/A
CALUMET HARBOR 73 360/ 5/ 7 1016.8R
BURNS HARBOR 73 20/ 8/ 9 1018.3R
MICHIGAN CITY 73 20/ 15/ 17 1015.7S
MICH CITY BUOY 73 76 20/ 10/ 14 1016.0R 4/ 5
ST. JOSEPH BUOY 73 74 350/ 16/ 19 1017.8R 4/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-200400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 73 70 90 N5 30.08R TC 23
GALESBURG* CLEAR 69 69 100 CALM 30.10S TC 21
MACOMB* PTCLDY 70 70 98 NE3 30.11S TC 21
JACKSONVILLE* MOCLDY 75 73 96 N8 30.07S TC 24
PITTSFIELD* MOCLDY 77 73 85 N7 30.08S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-200400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 70 69 97 NW3 30.07S TC 21
BLOOMINGTON CLEAR 72 69 90 N6 30.09R TC 22
DECATUR CLOUDY 75 70 84 N12 30.07R TC 24
PEORIA CLEAR 70 67 90 CALM 30.08R TC 21
LACON* MOCLDY 69 67 92 CALM 30.07R TC 21
LINCOLN* CLEAR 72 72 100 CALM 30.08R TC 22
SPRINGFIELD CLOUDY 75 71 87 NE8 30.07R TC 24
TAYLORVILLE MOCLDY 75 72 88 N10 30.06R TC 24
ILZ033-039-045-046-055>057-062-063-200400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 73 69 87 NW6 30.07R TC 23
DANVILLE* CLOUDY 74 70 87 N7 30.06R TC 23
RANTOUL* CLOUDY 73 69 85 N8 30.07R TC 23
MATTOON MOCLDY 75 71 87 N10 30.04R TC 24
PARIS* MOCLDY 74 72 94 NW8 30.04R TC 23
ILZ079-100>102-200400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 79 73 83 N5 30.04R HX 82 TC 26
BELLEVILLE PTCLDY 81 74 78 NE3 30.01R HX 86 TC 27
SPARTA* MOCLDY 77 76 94 W7 30.04R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 76 72 87 W9 30.02R TC 24
CAIRO* MOCLDY 76 74 93 CALM 30.01F TC 25
EFFINGHAM* CLEAR 77 73 88 N6 30.04S TC 25
MARION MOCLDY N/A N/A N/A CALM 30.02S
MT. VERNON PTCLDY 77 75 93 CALM 30.02R TC 25
CENTRALIA* CLEAR 80 73 79 N5 30.02S HX 84 TC 27
SALEM* CLEAR 78 73 85 N3 30.03R HX 81 TC 26
METROPOLIS* MOCLDY 76 75 95 S3 30.00F TC 25
ILZ067-068-072-073-078-083-087-091-200400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 72 87 CALM 30.00R TC 24
FLORA* CLEAR 79 73 83 CALM 30.02R HX 82 TC 26
FAIRFIELD* PTCLDY 74 73 97 CALM 30.01R TC 24
HARRISBURG* MOCLDY 76 74 93 CALM 30.00F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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