690
ASUS43 KLOT 170501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT SUN AUG 17 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.
ILZ001-002-007-009-015-016-024-170600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 81 78 91 S5 29.99F HX 89 TC 27
STERLING* PTCLDY 74 73 97 CALM 30.02R TC 23
ILZ003-004-008-010-011-017-018-170600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 72 71 97 N3 30.05R TC 22
ILZ005-006-012>014-019>023-170600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 76 71 85 E7 30.06R THUNDER TC 24
CHICAGO-MIDWAY CLOUDY 79 70 74 SE9 30.05R HX 82 TC 26
AURORA CLOUDY 74 71 91 S6 30.03R TC 23
WAUKEGAN CLOUDY 73 67 81 CALM 30.01F TC 23
DUPAGE AIRPORT CLOUDY 75 71 87 SE7 30.04R TC 24
WHEELING CLOUDY 74 71 91 MISG 30.05R TC 23
MORRIS* CLOUDY 73 72 96 SE7 30.01F TC 23
LANSING* CLOUDY 75 71 87 S6 30.06R TC 24
NORTHERLY ISL* N/A 77 73 87 SE7 N/A TC 25
LMZ740>746-170600-
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 76 76 250/ 8/ 10 1016.6R
WINTHROP HARBOR 75 75 N/A 2/ 4
WAUKEGAN HARBOR 75 75 N/A 1/ 4
WILMETTE BUOY 75 1020.6R 2/ 4
NORTHERLY ISL 77 110/ 7/ 14 N/A
CALUMET HARBOR 78 100/ 3/ 5 1016.8R
BURNS HARBOR 77 150/ 2/ 3 1018.6R
MICHIGAN CITY 76 340/ 1/ 3 1016.9R
MICH CITY BUOY 77 77 60/ 10/ 14 1016.7R 2/ 2
ST. JOSEPH BUOY 77 77 160/ 8/ 14 1018.0R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-170600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 81 77 88 SE5 30.03S HX 88 TC 27
GALESBURG* PTCLDY 78 78 100 S6 30.03S HX 81 TC 26
MACOMB* CLEAR 78 77 98 S3 30.05S HX 80 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-170600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 77 69 76 S9 30.06F TC 25
DECATUR PTCLDY 79 72 79 E15G21 30.08R HX 82 TC 26
PEORIA PTCLDY 81 76 84 S5 30.02S HX 87 TC 27
LACON* MOCLDY 77 70 78 S8 30.00F TC 25
LINCOLN* PTCLDY 76 71 85 S5 30.05S TC 25
SPRINGFIELD PTCLDY 79 71 76 S3 30.04S HX 82 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 72 70 93 SE14G22 30.09F TC 22
DANVILLE* PTCLDY 71 69 94 S8 30.06F TC 22
RANTOUL* PTCLDY 71 68 92 S7 30.07R TC 21
MATTOON MOCLDY 76 69 79 N20G45 30.12R TC 24
ILZ079-100>102-170600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 76 74 93 CALM 30.05R TC 24
CAHOKIA* CLEAR 76 75 97 CALM 30.04R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 75 73 93 CALM 30.05R TC 24
CAIRO* CLEAR 78 78 99 CALM 30.04F HX 81 TC 26
EFFINGHAM* MOCLDY 79 77 95 CALM 30.09R HX 83 TC 26
MARION CLEAR N/A N/A N/A CALM 30.06S
MT. VERNON PTCLDY 75 74 96 CALM 30.06R TC 24
CENTRALIA* PTCLDY 75 73 93 CALM 30.06R TC 24
SALEM* PTCLDY 81 74 79 CALM 30.06R HX 86 TC 27
METROPOLIS* CLEAR 76 75 96 CALM 30.05F TC 25
ILZ067-068-072-073-078-083-087-091-170600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 79 77 94 CALM 30.07R HX 83 TC 26
FLORA* PTCLDY 81 77 89 CALM 30.07R HX 88 TC 27
FAIRFIELD* PTCLDY 76 74 93 CALM 30.06R TC 25
HARRISBURG* CLEAR 76 72 89 CALM 30.06R TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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