003
ASUS43 KLOT 171503
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-171600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 79 74 84 E10 30.05R HX 82 TC 26
STERLING* MOSUNNY 80 75 84 VRB5 30.07S HX 85 TC 27
ILZ003-004-008-010-011-017-018-171600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 77 73 87 NE3 30.10F TC 25
ILZ005-006-012>014-019>023-171600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 72 84 N7 30.09R TC 25
CHICAGO-MIDWAY PTSUNNY 79 72 79 N8 30.09R HX 82 TC 26
AURORA MOSUNNY 78 73 84 NE6 30.09R HX 81 TC 26
WAUKEGAN PTSUNNY 77 70 79 NE7 30.10R TC 25
DUPAGE AIRPORT PTSUNNY 78 72 81 N8 30.09S HX 80 TC 26
WHEELING PTSUNNY 78 73 84 NE7 30.10F HX 81 TC 26
MORRIS* MOSUNNY 76 72 88 CALM 30.08R TC 24
ROMEOVILLE* PTSUNNY 75 75 100 N5 30.11R TC 24
LANSING* PTSUNNY 75 72 91 NW3 30.10R TC 24
NORTHERLY ISL* N/A 77 71 82 N7 N/A TC 25
LMZ740>746-171600-
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 74 76 20/ 8/ 10 1018.8R
WINTHROP HARBOR 74 71 360/ 8/ 12 N/A 2/ 4
WAUKEGAN HARBOR 75 75 330/ 8/ 10 N/A 2/ 3
WILMETTE BUOY 75 60/ 8/ 10 1021.7R 1
NORTHERLY ISL 75 300/ 6/ 7 N/A
CALUMET HARBOR 74 290/ 4/ 6 1017.7R
BURNS HARBOR 73 280/ 5/ 6 1019.3R
MICHIGAN CITY 74 270/ 8/ 8 1017.2R
MICH CITY BUOY 75 76 280/ 8/ 10 1016.8F 2/ 3
ST. JOSEPH BUOY 75 77 250/ 8/ 12 1019.3R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-171600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 85 76 74 CALM 30.05R HX 94 TC 29
GALESBURG* MOSUNNY 80 75 85 SE7 30.08R HX 84 TC 26
MACOMB* MOSUNNY 84 77 81 E10 30.08R HX 93 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-171600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 77 74 90 S8 30.10S TC 25
DECATUR PTSUNNY 74 70 87 SE9 30.11F TC 23
PEORIA HVY RAIN 78 72 81 SE9 30.07F HX 80 TC 26
SPRINGFIELD MOSUNNY 74 71 91 SE12 30.08S TC 23
TAYLORVILLE CLOUDY 72 70 94 E14G21 30.13R THUNDER TC 22
ILZ033-039-045-046-055>057-062-063-171600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 72 70 93 SE8 30.09F TC 22
DANVILLE* PTSUNNY 70 69 96 SW6 30.08F TC 21
RANTOUL* CLOUDY 71 70 97 SE3 30.09S TC 22
MATTOON PTSUNNY 79 67 66 E10 30.09F HX 81 TC 26
ILZ079-100>102-171600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 77 79 SE6 30.06R HX 94 TC 29
CAHOKIA* SUNNY 88 76 67 S5 30.05R HX 99 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 90 72 55 CALM 30.07R HX 97 TC 32
MARION MOSUNNY 88 73 62 W5 30.08R HX 96 TC 31
MT. VERNON MOSUNNY 89 73 59 NE5 30.10R HX 97 TC 32
CENTRALIA* MOSUNNY 89 73 59 CALM 30.09R HX 96 TC 32
SALEM* CLOUDY 84 74 71 E8 30.11R HX 92 TC 29
METROPOLIS* SUNNY 87 74 63 CALM 30.07S HX 95 TC 31
ILZ067-068-072-073-078-083-087-091-171600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 78 69 73 NE13 30.13R HX 80 TC 26
FAIRFIELD* MOSUNNY 81 74 78 NE16G23 30.12R HX 86 TC 27
HARRISBURG* MOSUNNY 88 72 58 CALM 30.09R HX 94 TC 31
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