157
ASUS43 KLOT 220401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT MON JUL 21 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.
ILZ001-002-007-009-015-016-024-220500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 75 73 93 E7 30.00R TC 24
ILZ003-004-008-010-011-017-018-220500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 70 58 65 E6 30.06R TC 21
ROCHELLE* CLOUDY 70 62 77 E5 30.06R TC 21
ILZ005-006-012>014-019>023-220500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 71 62 73 NE6 30.03F TC 22
CHICAGO-MIDWAY PTCLDY 74 65 73 E6 30.03F TC 23
AURORA CLEAR 70 61 73 NE3 30.04R TC 21
JOLIET* CLEAR 72 66 81 CALM 30.04R TC 22
WAUKEGAN CLEAR 64 60 87 CALM 30.04F TC 18
DUPAGE AIRPORT CLEAR 70 61 73 E5 30.04S TC 21
KANKAKEE* PTCLDY 72 68 88 SE6 30.04S TC 22
WHEELING CLEAR 69 64 84 CALM 30.05F TC 21
MORRIS* CLEAR 70 65 85 E5 30.02S TC 21
ROMEOVILLE* PTCLDY 70 66 88 NE6 30.05R TC 21
LANSING* CLEAR 70 65 82 E5 30.04S TC 21
LMZ740>746-220500-
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 70 71 60/ 8/ 8 1017.6S
WINTHROP HARBOR 69 69 350/ 6/ 8 N/A 1/ 3
WAUKEGAN HARBOR 69 70 30/ 6/ 8 N/A 1/ 3
WILMETTE BUOY 71 90/ 2/ 4 1019.3F 1/ 4
CHICAGO BUOY 74 73 90/ 4/ 6 1017.4F 2/ 4
HARRISON CRIB 78 60/ 5/ 5 N/A
NORTHERLY ISL 69 20/ 4/ 5 N/A
CALUMET HARBOR 73 60/ 4/ 5 1016.2
BURNS HARBOR 72 90/ 4/ 6 1017.6F
MICHIGAN CITY 71 100/ 6/ 7 1015.6F
MICH CITY BUOY 74 75 90/ 6/ 8 1015.8F 2/ 4
ST. JOSEPH BUOY 73 75 30/ 4/ 6 1018.2F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-220500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 76 73 91 SE5 29.98S TC 24
GALESBURG* CLEAR 74 74 98 E3 30.01S TC 24
MACOMB* CLEAR 74 74 99 CALM 30.02S TC 24
PITTSFIELD* CLEAR 75 74 98 CALM 30.00S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-220500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 71 70 96 E3 30.03R TC 22
BLOOMINGTON CLEAR 72 72 100 SE5 30.04R TC 22
DECATUR CLEAR 75 73 93 E3 30.01S TC 24
PEORIA PTCLDY 77 73 87 E5 30.02R TC 25
LACON* CLOUDY 73 70 88 E5 30.02R TC 23
LINCOLN* CLEAR 75 75 100 CALM 30.02R TC 24
SPRINGFIELD MOCLDY N/A N/A N/A SE5 30.00R
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-220500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLEAR 72 70 94 E3 30.02S TC 22
MATTOON PTCLDY 74 73 97 SE7 30.00S TC 23
ILZ079-100>102-220500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 76 74 95 W3 29.99S TC 24
BELLEVILLE CLEAR 77 75 95 CALM 29.96S TC 25
CAHOKIA* CLEAR 77 74 90 CALM 29.97 TC 25
SPARTA* PTCLDY 80 77 92 S3 29.99S HX 85 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 76 75 97 CALM 29.97F TC 24
CAIRO* PTCLDY 79 78 96 CALM 29.98F HX 83 TC 26
EFFINGHAM* CLOUDY 76 76 100 CALM 30.01F TC 25
MARION PTCLDY 75 74 96 CALM 29.99S TC 24
MT. VERNON PTCLDY 75 75 100 CALM 29.99S TC 24
CENTRALIA* PTCLDY 75 74 97 CALM 29.99S TC 24
SALEM* CLEAR 75 74 98 CALM 29.99F TC 24
METROPOLIS* PTCLDY 77 76 96 CALM 29.99F TC 25
ILZ067-068-072-073-078-083-087-091-220500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 74 93 E5 30.00F TC 24
FLORA* CLEAR 77 77 100 CALM 29.99F TC 25
FAIRFIELD* PTCLDY 76 74 92 CALM 29.99F TC 24
HARRISBURG* PTCLDY 76 75 95 CALM 29.99S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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