803
ASUS43 KLOT 161008
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM 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.
ILZ001-002-007-009-015-016-024-161100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 71 67 87 S5 30.03F TC 22
STERLING* CLEAR 69 69 100 VRB5 30.02F TC 21
ILZ003-004-008-010-011-017-018-161100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 69 68 96 CALM 30.09R TC 21
ROCHELLE* PTCLDY 67 65 94 S7 30.03S TC 19
DE KALB* PTCLDY 67 67 100 S12 30.03S TC 19
PERU* PTCLDY 69 67 95 S5 30.06F TC 20
ILZ005-006-012>014-019>023-161100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 77 71 82 SW9 30.03F TC 25
CHICAGO-MIDWAY PTCLDY 78 69 73 S7 30.02F HX 80 TC 26
AURORA PTCLDY 70 66 87 S7 30.03F TC 21
JOLIET* PTCLDY 73 72 98 CALM 30.05F TC 23
WAUKEGAN PTCLDY 76 69 79 N3 30.04R TC 24
DUPAGE AIRPORT PTCLDY 73 66 78 SE9 30.02F TC 23
KANKAKEE* MOCLDY 73 68 83 W3 30.08S TC 23
WHEELING PTCLDY 78 71 79 W6 30.04F HX 80 TC 26
MORRIS* PTCLDY 69 69 100 SW5 30.05F TC 21
ROMEOVILLE* PTCLDY 72 72 100 S7 30.05F TC 22
LANSING* MOCLDY 74 72 95 SW6 30.06F TC 23
NORTHERLY ISL* N/A 79 69 71 SW6 N/A HX 81 TC 26
LMZ740>746-161100-
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 76 150/ 2/ 4 1017.2R
WINTHROP HARBOR 77 75 180/ 2/ 4 N/A 1
WAUKEGAN HARBOR 77 75 360/ 4/ 6 N/A 1
WILMETTE BUOY 78 200/ 4/ 6 1019.0F 1
HARRISON CRIB 87 210/ 15/ 17 N/A
NORTHERLY ISL 80 200/ 6 N/A
CALUMET HARBOR 78 200/ 6/ 9 1016.6
BURNS HARBOR 77 200/ 6/ 8 1018.3S
MICHIGAN CITY 78 170/ 13/ 16 1015.7F
MICH CITY BUOY 78 78 180/ 14/ 16 1015.8F 1
ST. JOSEPH BUOY 78 77 140/ 12/ 16 1018.3F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-161100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 78 72 81 S6 30.06S HX 80 TC 26
GALESBURG* PTCLDY 70 69 95 CALM 30.09F TC 21
MACOMB* PTCLDY 70 69 98 E3 30.10F TC 21
JACKSONVILLE* PTCLDY 77 75 96 S5 30.08S TC 25
PITTSFIELD* PTCLDY 76 75 99 CALM 30.08S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-161100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 71 70 97 NW6 30.10S TC 22
BLOOMINGTON PTCLDY 71 71 100 S3 30.11F TC 22
DECATUR PTCLDY 78 73 84 SW3 30.10S HX 81 TC 26
PEORIA MOCLDY 74 71 91 E3 30.09S TC 23
LACON* PTCLDY 70 68 94 CALM 30.07F TC 21
LINCOLN* PTCLDY 75 75 100 CALM 30.09F TC 24
SPRINGFIELD PTCLDY 76 72 87 S5 30.08S TC 24
TAYLORVILLE PTCLDY 75 72 88 S5 30.10S TC 24
ILZ033-039-045-046-055>057-062-063-161100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 74 72 93 CALM 30.11S TC 23
DANVILLE* MOCLDY 71 69 95 CALM 30.12S TC 22
RANTOUL* MOCLDY 76 73 90 CALM 30.11S TC 24
MATTOON MOCLDY 76 71 85 S7 30.10S TC 24
PARIS* PTCLDY 71 70 97 CALM 30.11S TC 22
ILZ079-100>102-161100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 74 72 92 CALM 30.09S TC 23
BELLEVILLE PTCLDY 74 72 95 S3 30.06S TC 23
CAHOKIA* PTCLDY 73 71 93 S5 30.07S TC 23
SPARTA* PTCLDY 75 73 94 CALM 30.10S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 71 70 96 CALM 30.09R TC 22
CAIRO* CLEAR 73 72 99 CALM 30.09S TC 23
EFFINGHAM* MOCLDY 74 74 100 E3 30.12S TC 23
MARION PTCLDY 72 70 96 CALM 30.10S TC 22
MT. VERNON PTCLDY 72 72 100 CALM 30.11R TC 22
CENTRALIA* PTCLDY 74 72 91 CALM 30.10R TC 24
SALEM* PTCLDY 75 71 86 CALM 30.11R TC 24
METROPOLIS* CLEAR 72 71 97 CALM 30.09S TC 22
ILZ067-068-072-073-078-083-087-091-161100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A 73 72 96 N5 30.12R TC 23
FLORA* MOCLDY 73 N/A N/A CALM 30.11R TC 23
FAIRFIELD* PTCLDY 71 70 96 CALM 30.11R TC 22
HARRISBURG* PTCLDY 71 69 95 CALM 30.10R TC 21
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