877
ASUS43 KLOT 171956
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM 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.
ILZ001-002-007-009-015-016-024-172100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 89 77 67 S5 30.00F HX 101 TC 32
ILZ003-004-008-010-011-017-018-172100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 82 74 76 E7 30.07F HX 88 TC 28
ILZ005-006-012>014-019>023-172100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 78 69 73 NE12 30.07F HX 80 TC 26
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 88 75 65 E9 30.05F HX 97 TC 31
WAUKEGAN CLOUDY 76 66 71 NE10 30.10R TC 24
DUPAGE AIRPORT MOSUNNY 83 72 69 NE13 30.06F HX 88 TC 28
WHEELING CLOUDY 78 68 71 MISG 30.09F HX 80 TC 26
ROMEOVILLE* PTSUNNY 82 77 83 NE8 30.07S HX 91 TC 28
NORTHERLY ISL* N/A 78 71 79 N12 N/A HX 80 TC 26
LMZ740>746-172100-
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 73 76 20/ 16/ 17 1018.8S
WINTHROP HARBOR 73 74 340/ 12/ 16 N/A 3/ 4
WAUKEGAN HARBOR 74 75 340/ 12/ 16 N/A 2/ 4
WILMETTE BUOY 75 40/ 12/ 16 1021.5R 2/ 4
NORTHERLY ISL 78 30/ 8/ 9 N/A
CALUMET HARBOR 78 30/ 7/ 12 1017.8
BURNS HARBOR 78 40/ 6/ 7 1019.0S
MICHIGAN CITY 76 20/ 8/ 10 1016.8F
MICH CITY BUOY 76 77 20/ 8/ 10 1016.8F 1/ 3
ST. JOSEPH BUOY 76 78 330/ 10/ 14 1019.2F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-172100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-172100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 88 76 67 NW3 30.02F HX 99 TC 31
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-172100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-172100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 93 79 62 SE8 30.02F HX 110 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 96 69 41 CALM 30.01F HX 102 TC 36
MARION MOSUNNY 91 73 55 E7 30.02F HX 100 TC 33
ILZ067-068-072-073-078-083-087-091-172100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
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