118
ASUS43 KLOT 191012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM 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.
ILZ001-002-007-009-015-016-024-191100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 73 72 96 NW7 29.98R TC 23
ILZ003-004-008-010-011-017-018-191100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 72 71 97 NW7 29.99R FOG TC 22
ROCHELLE* CLOUDY 71 70 95 W6 29.98R FOG TC 22
DE KALB* CLOUDY 71 71 100 W5 29.98S FOG TC 22
PERU* MOCLDY 72 72 100 SW3 29.98R FOG TC 22
ILZ005-006-012>014-019>023-191100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 71 93 W5 29.95R TC 23
CHICAGO-MIDWAY LGT RAIN 74 71 91 SW8 29.95S TC 23
AURORA MOCLDY 72 71 97 W3 29.97R FOG TC 22
JOLIET* CLOUDY 74 74 100 CALM 29.97S TC 23
WAUKEGAN LGT RAIN 74 71 91 CALM 29.95S TC 23
DUPAGE AIRPORT CLOUDY 73 71 93 SW7 29.96R TC 23
KANKAKEE* CLOUDY 73 72 94 SW7 29.99R TC 23
WHEELING CLOUDY 74 72 93 SW3 29.97R TC 23
MORRIS* CLOUDY 73 73 100 CALM 29.96S TC 23
ROMEOVILLE* CLOUDY 73 73 100 SW5 29.97S TC 23
LANSING* HVY RAIN 71 71 100 S6 29.97F TC 22
NORTHERLY ISL* N/A 73 70 90 SW3 N/A TC 23
LMZ740>746-191100-
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 75 220/ 12/ 14 1013.9R 3/ 5
WINTHROP HARBOR 67 64 N/A 1/ 3
WAUKEGAN HARBOR 73 75 10/ 4/ 6 N/A 1/ 4
WILMETTE BUOY 73 1016.5R 1/ 3
NORTHERLY ISL 72 180/ 6/ 8 N/A
CALUMET HARBOR 72 190/ 5/ 7 1013.3
BURNS HARBOR 71 190/ 6/ 10 1015.6R
MICHIGAN CITY 72 180/ 15/ 17 1013.6R
MICH CITY BUOY 74 76 180/ 14/ 17 1013.3R 1
ST. JOSEPH BUOY 73 75 140/ 8/ 17 1015.4R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-191100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 74 72 93 CALM 29.99R TC 23
GALESBURG* MOCLDY 72 72 100 CALM 30.00S TC 22
MACOMB* PTCLDY 73 73 99 CALM 30.02R TC 23
JACKSONVILLE* PTCLDY 74 73 99 CALM 29.98F TC 23
PITTSFIELD* PTCLDY 76 74 93 CALM 30.00S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-191100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 72 92 W7 29.98S TC 24
BLOOMINGTON MOCLDY 72 70 93 S6 30.00S TC 22
DECATUR MOCLDY 76 72 87 SW6 29.99F TC 24
PEORIA MOCLDY 73 72 96 NW3 29.99R TC 23
LACON* N/A N/A N/A N/A SW5 29.98R
LINCOLN* MOCLDY 75 75 100 CALM 29.99R TC 24
SPRINGFIELD MOCLDY 76 74 93 CALM 29.99R TC 24
TAYLORVILLE PTCLDY 75 73 94 E3 30.00F TC 24
ILZ033-039-045-046-055>057-062-063-191100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 71 69 93 S8 30.01S TC 22
DANVILLE* CLOUDY 77 75 92 SW7 30.01R TC 25
RANTOUL* MOCLDY 71 69 92 W9 29.99F TC 22
MATTOON CLOUDY 79 71 76 NW12G21 30.03R HX 82 TC 26
PARIS* CLOUDY 76 72 85 W17G28 30.05R THUNDER TC 25
ILZ079-100>102-191100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 78 74 86 S6 29.99F HX 80 TC 26
BELLEVILLE CLEAR 78 74 88 S5 29.97S HX 80 TC 26
CAHOKIA* CLEAR 76 74 93 CALM 29.98S TC 24
SPARTA* CLEAR 82 72 72 S3 30.02R HX 86 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 73 71 93 CALM 30.00F TC 23
CAIRO* CLEAR 75 74 99 CALM 30.01S TC 24
EFFINGHAM* PTCLDY 77 75 94 CALM 30.02F TC 25
MARION CLEAR 74 73 96 CALM 30.02S TC 23
MT. VERNON CLEAR 73 73 100 CALM 30.01S TC 23
CENTRALIA* CLEAR 78 73 85 S5 30.01S HX 80 TC 25
SALEM* PTCLDY 80 73 78 S5 30.01S HX 84 TC 27
METROPOLIS* CLEAR 73 72 96 CALM 30.02R FOG TC 23
ILZ067-068-072-073-078-083-087-091-191100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 73 72 96 CALM 30.01S TC 23
FLORA* CLEAR 75 N/A N/A S5 30.01F TC 24
FAIRFIELD* CLEAR 74 73 96 CALM 30.01S TC 23
HARRISBURG* CLEAR 73 71 94 CALM 30.02S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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