618
ASUS43 KLOT 181701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT FRI JUL 18 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.
ILZ001-002-007-009-015-016-024-181800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 76 64 66 E7 30.12F TC 24
ILZ003-004-008-010-011-017-018-181800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 75 60 59 VRB5 30.16S TC 24
ILZ005-006-012>014-019>023-181800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 75 59 57 NE5 30.13S TC 24
CHICAGO-MIDWAY MOSUNNY 76 59 55 CALM 30.13F TC 24
AURORA SUNNY 74 60 61 CALM 30.14S TC 23
JOLIET* SUNNY 77 61 58 W3 30.14F TC 25
WAUKEGAN PTSUNNY 74 61 63 E9 30.14S TC 23
DUPAGE AIRPORT MOSUNNY 75 60 59 SW3 30.13S TC 24
KANKAKEE* PTSUNNY 75 62 62 W5 30.15S TC 24
WHEELING MOSUNNY 75 60 59 E6 30.15S TC 24
MORRIS* SUNNY 74 62 66 NW3 30.14S TC 23
ROMEOVILLE* MOSUNNY 75 64 69 CALM 30.15S TC 24
LANSING* MOSUNNY 75 61 62 CALM 30.14F TC 24
NORTHERLY ISL* N/A 71 59 65 NE6 N/A TC 22
LMZ740>746-181800-
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 67 69 130/ 8/ 10 1021.4R
WINTHROP HARBOR 68 69 70/ 6/ 10 N/A 2/ 4
WAUKEGAN HARBOR 69 70 80/ 4/ 6 N/A 2/ 3
WILMETTE BUOY 69 90/ 4/ 8 1023.2S 2/ 5
CHICAGO BUOY 70 72 30/ 6/ 8 1021.0F 2/ 4
HARRISON CRIB 76 90/ 4/ 5 N/A
NORTHERLY ISL 71 50/ 6 N/A
CALUMET HARBOR 71 50/ 6/ 8 1019.5
BURNS HARBOR 69 340/ 3/ 5 1021.3S
MICHIGAN CITY 71 120/ 5/ 7 1019.1F
MICH CITY BUOY 70 76 300/ 4/ 6 1018.9F 2/ 5
ST. JOSEPH BUOY 70 76 110/ 4/ 8 1021.7R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-181800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 78 71 79 SE5 30.11F HX 80 TC 26
GALESBURG* MOSUNNY 74 66 74 E7 30.14F TC 24
MACOMB* CLOUDY 75 68 79 E5 30.15F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-181800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 76 68 76 VRB6 30.14F TC 24
DECATUR MOSUNNY 80 71 74 VRB3 30.12F HX 84 TC 27
PEORIA PTSUNNY 78 67 68 S6 30.13F HX 80 TC 26
LACON* MOSUNNY 75 62 64 CALM 30.13F TC 24
LINCOLN* CLOUDY 78 70 75 CALM 30.13S HX 81 TC 26
SPRINGFIELD PTSUNNY 79 71 76 CALM 30.11F HX 82 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 79 67 68 SE3 30.13F HX 81 TC 26
MATTOON PTSUNNY 78 71 79 CALM 30.11F HX 80 TC 26
ILZ079-100>102-181800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 77 72 83 VRB6 30.11F TC 25
BELLEVILLE PTSUNNY 81 75 82 E5 30.08F HX 87 TC 27
CAHOKIA* CLOUDY 82 74 76 CALM 30.09F HX 88 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 81 75 83 E3 30.09F HX 86 TC 27
CAIRO* PTSUNNY 89 80 76 CALM 30.08S HX 106 TC 32
MARION PTSUNNY 82 75 78 CALM 30.09F HX 89 TC 28
MT. VERNON CLOUDY 82 76 81 NE3 30.11S HX 89 TC 28
CENTRALIA* PTSUNNY 82 74 78 E6 30.11S HX 87 TC 28
SALEM* PTSUNNY 81 73 78 CALM 30.11F HX 85 TC 27
METROPOLIS* PTSUNNY 86 76 72 CALM 30.09S HX 96 TC 30
ILZ067-068-072-073-078-083-087-091-181800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 81 75 82 NE8 30.10F HX 87 TC 27
FLORA* CLOUDY 81 75 83 N3 30.11F HX 86 TC 27
FAIRFIELD* PTSUNNY 80 73 78 CALM 30.10S HX 84 TC 27
HARRISBURG* PTSUNNY 83 75 76 CALM 30.09F HX 90 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