831
ASUS43 KLOT 161410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-161500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 78 70 76 E5 30.07R HX 80 TC 26
STERLING* MOSUNNY 77 75 93 E5 30.09S TC 25
ILZ003-004-008-010-011-017-018-161500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 78 72 81 CALM 30.09S HX 80 TC 26
ROCHELLE* SUNNY 77 72 83 CALM 30.10S TC 25
DE KALB* SUNNY 80 72 75 CALM 30.10F HX 84 TC 27
PERU* SUNNY 78 69 73 CALM 30.10S HX 80 TC 26
ILZ005-006-012>014-019>023-161500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 78 68 71 SW9 30.08R HX 80 TC 26
CHICAGO-MIDWAY MOSUNNY 80 67 64 SW6 30.08R HX 82 TC 27
AURORA SUNNY 79 70 74 NE3 30.09R HX 82 TC 26
JOLIET* SUNNY 79 71 75 CALM 30.09F HX 82 TC 26
WAUKEGAN SUNNY 82 70 66 SW6 30.08R HX 86 TC 28
DUPAGE AIRPORT SUNNY 79 68 69 CALM 30.09R HX 81 TC 26
KANKAKEE* MOSUNNY 81 75 83 SW8 30.09S HX 86 TC 27
WHEELING MOSUNNY 81 69 67 W3 30.10R HX 84 TC 27
MORRIS* SUNNY 76 70 83 NW5 30.08S TC 24
ROMEOVILLE* SUNNY 77 72 83 W5 30.10R TC 25
LANSING* MOSUNNY 75 71 86 W3 30.10R TC 24
NORTHERLY ISL* N/A 80 66 62 SW7 N/A HX 82 TC 27
LMZ740>746-161500-
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 76 200/ 6/ 8 1018.3R 1
WINTHROP HARBOR 78 76 210/ 4/ 4 N/A 1
WAUKEGAN HARBOR 78 76 200/ 4/ 6 N/A 0
WILMETTE BUOY 77 280/ 4/ 6 1021.7R 1
HARRISON CRIB 85 260/ 15/ 16 N/A
NORTHERLY ISL 80 280/ 9 N/A
CALUMET HARBOR 78 200/ 6/ 9 1017.7
BURNS HARBOR 78 190/ 3/ 5 1019.3R
MICHIGAN CITY 79 200/ 11/ 12 1017.1R
MICH CITY BUOY 78 78 190/ 8/ 10 1017.2R 1/ 3
ST. JOSEPH BUOY 77 76 160/ 8/ 10 1019.1R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-161500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 81 72 74 SW9 30.07S HX 85 TC 27
GALESBURG* PTSUNNY 75 71 85 CALM 30.09S TC 24
MACOMB* PTSUNNY 80 74 82 S5 30.09S HX 84 TC 27
JACKSONVILLE* PTSUNNY 80 72 77 SW5 30.08S HX 84 TC 27
PITTSFIELD* MOSUNNY 83 75 77 SW3 30.10R HX 91 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-161500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 81 74 79 SW3 30.10S HX 86 TC 27
BLOOMINGTON MOSUNNY 82 75 79 SW5 30.13R HX 89 TC 28
DECATUR SUNNY 85 74 69 SW7 30.10R HX 92 TC 29
PEORIA PTSUNNY 80 73 79 SW6 30.08R HX 84 TC 27
LACON* MOSUNNY 79 73 81 S3 30.07F HX 83 TC 26
LINCOLN* MOSUNNY 83 75 78 SW3 30.10R HX 90 TC 28
SPRINGFIELD MOSUNNY 84 74 71 SW6 30.09R HX 91 TC 29
TAYLORVILLE SUNNY 82 75 78 SW7 30.09R HX 89 TC 28
ILZ033-039-045-046-055>057-062-063-161500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 81 73 76 S7 30.11R HX 86 TC 27
DANVILLE* MOSUNNY 81 73 76 S5 30.11R HX 85 TC 27
RANTOUL* MOSUNNY 79 72 77 S6 30.11R HX 82 TC 26
MATTOON SUNNY 81 72 74 S8 30.09S HX 85 TC 27
PARIS* SUNNY 82 72 71 S6 30.10S HX 86 TC 28
ILZ079-100>102-161500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 73 74 VRB6 30.10S HX 88 TC 28
BELLEVILLE SUNNY 84 76 77 S6 30.08S HX 92 TC 29
CAHOKIA* SUNNY 83 75 77 CALM 30.09S HX 90 TC 28
SPARTA* SUNNY 86 74 67 S6 30.11F HX 93 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 73 74 CALM 30.11S HX 87 TC 28
CAIRO* SUNNY 82 77 85 CALM 30.11F HX 89 TC 28
EFFINGHAM* SUNNY 82 73 73 S6 30.11S HX 88 TC 28
MARION SUNNY 82 72 69 CALM 30.12S HX 87 TC 28
MT. VERNON SUNNY 84 73 69 S5 30.11F HX 90 TC 29
CENTRALIA* SUNNY 85 72 65 S5 30.11S HX 91 TC 30
SALEM* SUNNY 86 73 64 SW5 30.11S HX 92 TC 30
METROPOLIS* SUNNY 82 72 72 CALM 30.12S HX 87 TC 28
ILZ067-068-072-073-078-083-087-091-161500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 79 74 84 SW7 30.09F HX 82 TC 26
FLORA* SUNNY 81 73 78 SW5 30.11S HX 85 TC 27
FAIRFIELD* SUNNY 80 72 77 SW5 30.11S HX 84 TC 27
HARRISBURG* SUNNY 82 72 72 CALM 30.12S HX 87 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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