658
ASUS43 KLOT 220310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-220400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 75 72 90 E7 29.98R TC 24
ILZ003-004-008-010-011-017-018-220400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 72 59 63 E6 30.05R TC 22
ROCHELLE* PTCLDY 69 62 78 E8 30.04R TC 21
DE KALB* PTCLDY 69 63 81 E8 30.05S TC 20
PERU* CLEAR 75 72 90 E6 30.02R TC 24
ILZ005-006-012>014-019>023-220400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 73 61 65 NE7 30.04R TC 23
CHICAGO-MIDWAY CLEAR 74 64 71 E7 30.04R TC 23
AURORA CLEAR 71 62 73 E8 30.03R TC 22
JOLIET* CLEAR 73 64 73 E7 30.04R TC 23
WAUKEGAN CLEAR 66 60 81 CALM 30.05R TC 19
DUPAGE AIRPORT CLEAR 71 60 68 E6 30.04R TC 22
KANKAKEE* PTCLDY 73 70 91 E7 30.04S TC 23
WHEELING CLEAR 70 64 81 NE3 30.06R TC 21
MORRIS* CLEAR 71 66 83 E3 30.02S TC 22
ROMEOVILLE* CLEAR 72 64 78 NE7 30.05R TC 22
LANSING* CLEAR 71 65 82 E5 30.05R TC 22
NORTHERLY ISL* N/A 69 64 84 NE3 N/A TC 21
LMZ740>746-220400-
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 69 71 60/ 8/ 8 1017.6R 1/ 3
WINTHROP HARBOR 69 69 10/ 6/ 8 N/A 1/ 4
WAUKEGAN HARBOR 69 70 20/ 6/ 8 N/A 1/ 3
WILMETTE BUOY 71 90/ 4/ 6 1019.5R 2/ 4
CHICAGO BUOY 74 73 80/ 4/ 6 1017.8 2/ 4
HARRISON CRIB 78 70/ 5/ 5 N/A
NORTHERLY ISL 70 30/ 3/ 7 N/A
CALUMET HARBOR 73 40/ 5/ 7 1016.5
BURNS HARBOR 72 90/ 4/ 5 1017.9R
MICHIGAN CITY 72 70/ 5/ 7 1016.1R
MICH CITY BUOY 75 75 60/ 10/ 12 1016.0R 2/ 4
ST. JOSEPH BUOY 74 75 20/ 4/ 6 1018.4R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-220400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 76 74 93 CALM 29.98R TC 24
GALESBURG* MOCLDY 76 73 90 SE6 30.00S TC 24
MACOMB* CLEAR 75 74 99 E5 30.01R TC 24
JACKSONVILLE* PTCLDY 75 75 98 CALM 29.98R TC 24
PITTSFIELD* CLEAR 75 75 98 CALM 29.99R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-220400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 73 71 93 E7 30.01S TC 23
BLOOMINGTON CLEAR 72 72 100 E7 30.03S TC 22
DECATUR CLEAR 77 74 90 E5 30.01R TC 25
PEORIA CLEAR 77 73 87 SE3 30.00R TC 25
LACON* PTCLDY 74 71 88 SE3 29.99S TC 24
LINCOLN* CLEAR 75 75 100 CALM 30.00R TC 24
SPRINGFIELD PTCLDY N/A N/A N/A SE5 29.99R
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-220400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLEAR 73 72 94 E5 30.02S TC 23
MATTOON PTCLDY 75 74 96 SE7 30.00S TC 24
ILZ079-100>102-220400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 77 75 94 VRB3 29.98S TC 25
BELLEVILLE CLEAR 78 75 93 CALM 29.96S TC 25
SPARTA* PTCLDY 81 78 92 CALM 30.00S HX 89 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 77 76 96 CALM 29.98S TC 25
CAIRO* CLOUDY 79 77 94 CALM 29.99F HX 84 TC 26
EFFINGHAM* CLEAR 77 77 99 E5 30.02S TC 25
MARION PTCLDY 77 76 96 CALM 30.00S TC 25
MT. VERNON PTCLDY 76 76 100 CALM 29.99S TC 24
CENTRALIA* PTCLDY 76 76 98 CALM 30.00R TC 25
SALEM* CLEAR 75 74 98 CALM 30.00S TC 24
METROPOLIS* PTCLDY 78 76 96 CALM 30.00R TC 25
ILZ067-068-072-073-078-083-087-091-220400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 78 75 90 E7 30.01R HX 81 TC 26
FLORA* CLEAR 79 77 94 E3 30.00S HX 83 TC 26
FAIRFIELD* PTCLDY 76 74 93 CALM 30.00S TC 25
HARRISBURG* PTCLDY 78 76 94 CALM 29.99S HX 81 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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