393
ASUS43 KLOT 200501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT SUN JUL 20 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.
ILZ001-002-007-009-015-016-024-200600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 77 74 90 E3 29.91F TC 25
ILZ003-004-008-010-011-017-018-200600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 72 68 87 CALM 29.95S TC 22
ROCHELLE* PTCLDY 68 66 94 CALM 29.95S FOG TC 20
PERU* PTCLDY 73 71 96 CALM 29.94S TC 23
ILZ005-006-012>014-019>023-200600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 76 71 85 SW7 29.91S TC 24
CHICAGO-MIDWAY PTCLDY 77 70 79 SW7 29.91F TC 25
AURORA PTCLDY 71 69 93 W5 29.93S TC 22
JOLIET* PTCLDY 77 73 87 W3 29.94S TC 25
WAUKEGAN PTCLDY 73 70 90 SW3 29.90S TC 23
DUPAGE AIRPORT PTCLDY 76 70 82 W7 29.92F TC 24
KANKAKEE* PTCLDY 72 70 95 SW3 29.95S TC 22
WHEELING PTCLDY 77 72 84 W3 29.92S TC 25
MORRIS* CLOUDY 73 72 95 W5 29.93S TC 23
LANSING* PTCLDY 70 70 98 SW5 29.94R TC 21
NORTHERLY ISL* N/A 78 69 73 SW7 N/A HX 80 TC 26
LMZ740>746-200600-
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 70 240/ 8/ 10 1012.0S
WINTHROP HARBOR 71 70 100/ 2/ 4 N/A 1
WAUKEGAN HARBOR 73 70 170/ 4/ 6 N/A 1
WILMETTE BUOY 74 250/ 4/ 4 1014.9F 0
CHICAGO BUOY 77 72 260/ 8/ 10 1013.1S 1
HARRISON CRIB 86 260/ 17/ 20 N/A
NORTHERLY ISL 78 270/ 4/ 8 N/A
CALUMET HARBOR 76 230/ 4/ 5 1012.2
BURNS HARBOR 76 240/ 5/ 7 1013.9R
MICHIGAN CITY 76 220/ 9/ 10 1011.4R
MICH CITY BUOY 76 75 230/ 10/ 12 1011.3R 1
ST. JOSEPH BUOY 75 75 200/ 8/ 10 1013.3R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-200600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 77 76 96 E3 29.93S TC 25
GALESBURG* MOCLDY 73 73 100 CALM 29.95F TC 23
MACOMB* FOG 73 73 100 SE3 29.97S VSB 1 TC 23
PITTSFIELD* PTCLDY 78 77 98 CALM 29.95S HX 80 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-200600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 73 96 CALM 29.96S TC 23
BLOOMINGTON PTCLDY 75 75 100 SW6 29.98F TC 24
DECATUR MOCLDY 76 73 91 CALM 29.98R TC 24
PEORIA MOCLDY 78 75 90 CALM 29.94F HX 81 TC 26
LACON* CLOUDY 75 72 90 CALM 29.94F TC 24
LINCOLN* CLOUDY 75 75 100 CALM 29.96F TC 24
SPRINGFIELD PTCLDY 75 74 96 NE3 29.95F TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-200600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* MOCLDY 73 72 98 S3 29.98R TC 23
MATTOON CLEAR 74 74 100 SE3 29.97S TC 23
ILZ079-100>102-200600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 79 76 91 S6 29.96S HX 82 TC 26
BELLEVILLE CLEAR 78 76 94 S3 29.94S HX 81 TC 26
CAHOKIA* PTCLDY 79 76 90 S3 29.95S HX 83 TC 26
SPARTA* CLEAR 82 78 88 S7 29.99R HX 90 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 83 79 86 SW6 30.01S HX 94 TC 29
EFFINGHAM* CLEAR 73 73 100 E3 29.99S TC 23
MARION CLEAR 75 74 96 S6 30.00S TC 24
MT. VERNON CLEAR 75 74 96 S5 29.98S TC 24
CENTRALIA* CLEAR 77 76 96 S5 29.98R TC 25
SALEM* CLEAR 78 75 90 S3 29.98R HX 80 TC 26
METROPOLIS* PTCLDY 77 76 96 CALM 30.01S TC 25
ILZ067-068-072-073-078-083-087-091-200600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 73 73 100 CALM 29.98F TC 23
FLORA* CLEAR 73 N/A N/A S5 29.98S TC 23
FAIRFIELD* CLEAR 74 73 96 S3 29.98S TC 24
HARRISBURG* CLEAR 75 73 95 CALM 30.00S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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