655
ASUS43 KLOT 220101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-220200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 78 73 84 E9 29.98R HX 81 TC 26
ILZ003-004-008-010-011-017-018-220200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 77 62 59 E7 30.03S TC 25
ROCHELLE* CLOUDY 75 69 81 SE3 30.03S TC 24
DE KALB* PTCLDY 74 63 66 E9 30.04S TC 24
PERU* CLOUDY 78 73 83 E5 30.01S HX 81 TC 26
ILZ005-006-012>014-019>023-220200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 75 60 59 E8 30.03S TC 24
CHICAGO-MIDWAY MOCLDY 75 60 59 E12 30.04R TC 24
AURORA PTCLDY 76 63 64 E8 30.02R HAZE TC 24
JOLIET* PTCLDY 77 65 64 E6 30.02S TC 25
WAUKEGAN PTCLDY 69 60 73 NE5 30.04F TC 21
DUPAGE AIRPORT PTCLDY 75 62 64 E7 30.03R TC 24
KANKAKEE* MOCLDY 77 72 84 E3 30.03F TC 25
WHEELING CLEAR 72 62 71 NE5 30.06R TC 22
MORRIS* MOCLDY 77 71 80 SE5 30.01S TC 25
ROMEOVILLE* CLEAR 77 66 69 NE10 30.03S TC 25
LANSING* PTCLDY 73 65 74 NE7 30.04S TC 23
NORTHERLY ISL* N/A 70 64 81 NE8 N/A TC 21
LMZ740>746-220200-
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 68 70 30/ 8/ 10 1017.5F
WINTHROP HARBOR 69 69 360/ 6/ 8 N/A 2/ 3
WAUKEGAN HARBOR 69 70 350/ 6/ 8 N/A 2/ 3
WILMETTE BUOY 71 60/ 10/ 14 1019.4F 2/ 4
CHICAGO BUOY 73 73 40/ 6/ 8 1017.6S 2/ 4
HARRISON CRIB 78 50/ 11/ 11 N/A
NORTHERLY ISL 70 30/ 7/ 10 N/A
CALUMET HARBOR 72 10/ 7/ 11 1016.4
BURNS HARBOR 74 60/ 8/ 9 1017.6S
MICHIGAN CITY 74 50/ 15/ 16 1015.5F
MICH CITY BUOY 74 75 40/ 12/ 14 1015.6F 3/ 4
ST. JOSEPH BUOY 73 75 350/ 10/ 14 1018.2S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-220200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 80 75 84 SE5 29.97R HX 85 TC 27
GALESBURG* MOCLDY 77 72 84 E5 29.99S TC 25
MACOMB* MOCLDY 77 76 95 SE3 30.00S TC 25
PITTSFIELD* PTCLDY 80 79 97 CALM 30.00R HX 85 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-220200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 77 72 86 E6 30.02R TC 25
BLOOMINGTON MOCLDY 76 75 97 E6 30.02S TC 24
DECATUR CLOUDY 81 77 88 NE6 30.00R HX 88 TC 27
PEORIA MOCLDY 79 74 84 E6 29.99S HX 82 TC 26
LACON* MOCLDY 77 71 81 E5 30.00R TC 25
LINCOLN* PTCLDY 79 79 100 E3 29.99S HX 85 TC 26
SPRINGFIELD PTCLDY 82 75 79 E7 29.98R HX 89 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-220200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTCLDY 77 73 88 E3 30.02R TC 25
MATTOON MOCLDY 78 75 90 NE5 29.99R HX 81 TC 26
ILZ079-100>102-220200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 81 75 83 VRB5 29.98R HX 86 TC 27
BELLEVILLE PTCLDY 82 76 80 SE3 29.95R HX 90 TC 28
CAHOKIA* PTCLDY 82 75 79 SE3 29.97R HX 89 TC 28
SPARTA* PTCLDY 84 78 81 E3 29.99R HX 95 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 82 77 84 CALM 29.97R HX 90 TC 28
CAIRO* CLOUDY 83 78 84 CALM 29.97R HX 92 TC 28
EFFINGHAM* MOCLDY 81 79 92 CALM 30.00R HX 90 TC 27
MARION MOCLDY 81 78 90 CALM 29.98S HX 90 TC 27
MT. VERNON MOCLDY 82 77 84 CALM 29.98R HX 90 TC 28
CENTRALIA* PTCLDY 82 78 89 CALM 29.98R HX 90 TC 28
SALEM* PTCLDY 81 77 88 CALM 29.98S HX 87 TC 27
METROPOLIS* MOCLDY 80 79 96 CALM 29.97R HX 88 TC 27
ILZ067-068-072-073-078-083-087-091-220200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 83 75 77 N5 29.98R HX 90 TC 28
FLORA* MOCLDY 82 75 78 CALM 29.98R HX 89 TC 28
FAIRFIELD* MOCLDY 82 77 85 CALM 29.97S HX 89 TC 28
HARRISBURG* CLOUDY 83 76 80 CALM 29.97S HX 92 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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