522
ASUS43 KLOT 170201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT SAT AUG 16 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.
ILZ001-002-007-009-015-016-024-170300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 81 78 91 SE3 30.01R HX 89 TC 27
STERLING* MOCLDY 76 74 93 E7 30.05R TC 24
ILZ003-004-008-010-011-017-018-170300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 72 69 90 S3 30.04S TC 22
ILZ005-006-012>014-019>023-170300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 74 71 91 SW7 30.03S TC 23
CHICAGO-MIDWAY CLOUDY 77 68 73 SW8G22 30.02F TC 25
AURORA NOT AVBL
JOLIET* LGT RAIN 75 74 95 CALM 30.01F TC 24
WAUKEGAN MOCLDY 75 71 87 SW12 30.00S TC 24
DUPAGE AIRPORT MOCLDY 74 71 91 S6 30.04R TC 23
WHEELING MOCLDY 73 69 87 MISG 30.04S TC 23
MORRIS* CLOUDY 74 72 92 S7 30.01F TC 24
LANSING* LGT RAIN 76 71 84 CALM 30.05F TC 25
NORTHERLY ISL* N/A 75 69 81 S8 N/A TC 24
LMZ740>746-170300-
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 77 76 120/ 2/ 6 1015.7R
WINTHROP HARBOR 76 75 200/ 10/ 14 N/A 2/ 4
WAUKEGAN HARBOR 76 76 200/ 12/ 16 N/A 2/ 4
WILMETTE BUOY 75 210/ 6/ 10 1019.0R 2/ 4
NORTHERLY ISL 75 160/ 5/ 26 N/A
CALUMET HARBOR 76 110/ 10/ 11 1015.2
BURNS HARBOR 77 110/ 6/ 11 1017.9F
MICHIGAN CITY 78 70/ 10/ 11 1016.0F
MICH CITY BUOY 78 77 40/ 8/ 10 1016.1F 3/ 2
ST. JOSEPH BUOY 77 77 50/ 12/ 19 1017.6F 3/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-170300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 85 78 80 SE3 30.02R HX 96 TC 29
GALESBURG* CLEAR 82 77 85 SE3 30.04R HX 89 TC 28
MACOMB* CLEAR 80 77 92 SE5 30.04R HX 85 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-170300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 84 81 90 S7 30.06R HX 99 TC 29
DECATUR MOCLDY 86 70 58 CALM 30.05R HX 90 TC 30
PEORIA PTCLDY 87 78 74 S3 30.03R HX 100 TC 31
LACON* PTCLDY 82 77 85 E9 30.03R HX 91 TC 28
LINCOLN* MOCLDY 81 72 73 CALM 30.03R HX 86 TC 27
SPRINGFIELD MOCLDY 82 76 81 CALM 30.04R HX 89 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 77 69 76 E6 30.06S TC 25
DANVILLE* CLOUDY 73 70 90 CALM 30.08R TC 23
RANTOUL* CLOUDY 78 69 74 SE3 30.06S TC 25
MATTOON MOCLDY 82 75 79 E5 30.06R HX 89 TC 28
ILZ079-100>102-170300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 75 100 E6 30.04R TC 24
CAHOKIA* PTCLDY 80 76 87 CALM 30.03R HX 86 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 79 75 87 CALM 30.05R HX 83 TC 26
CAIRO* CLEAR 81 78 90 CALM 30.04R HX 89 TC 27
EFFINGHAM* PTCLDY 81 79 92 CALM 30.08R HX 90 TC 27
MARION CLEAR 79 72 80 CALM 30.06R HX 81 TC 26
MT. VERNON CLEAR 78 77 96 CALM 30.05R HX 81 TC 26
CENTRALIA* PTCLDY 77 74 91 CALM 30.05S TC 25
SALEM* PTCLDY 79 76 88 CALM 30.04F HX 84 TC 26
METROPOLIS* CLEAR 81 73 77 CALM 30.05R HX 85 TC 27
ILZ067-068-072-073-078-083-087-091-170300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 82 77 84 CALM 30.06R HX 90 TC 28
FLORA* CLEAR 82 81 94 CALM 30.06R HX 95 TC 28
FAIRFIELD* CLEAR 79 76 90 CALM 30.05R HX 82 TC 26
HARRISBURG* CLEAR 82 73 75 CALM 30.06R HX 87 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page