089
ASUS43 KLOT 181603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-181700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 73 62 68 E6 30.13S TC 23
ILZ003-004-008-010-011-017-018-181700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 71 58 63 SE5 30.16F TC 22
ROCHELLE* SUNNY 70 57 62 SE6 30.16S TC 21
PERU* SUNNY 73 60 65 E3 30.15S TC 23
ILZ005-006-012>014-019>023-181700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 72 59 63 N5 30.13S TC 22
CHICAGO-MIDWAY PTSUNNY 74 60 61 CALM 30.14R TC 23
AURORA MOSUNNY 71 61 70 CALM 30.14F TC 22
JOLIET* SUNNY 74 60 61 CALM 30.15S TC 23
WAUKEGAN PTSUNNY 73 61 65 E10 30.14F TC 23
DUPAGE AIRPORT PTSUNNY 73 60 63 CALM 30.13F TC 23
KANKAKEE* PTSUNNY 74 61 63 CALM 30.15S TC 23
WHEELING MOSUNNY 74 60 61 E6 30.15S TC 23
MORRIS* SUNNY 72 62 69 N3 30.14S TC 22
ROMEOVILLE* MOSUNNY 73 63 68 CALM 30.15S TC 23
LANSING* MOSUNNY 73 62 66 NW5 30.15S TC 23
NORTHERLY ISL* N/A 72 59 63 NE5 N/A TC 22
LMZ740>746-181700-
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 69 120/ 8/ 10 1021.1S
WINTHROP HARBOR 68 69 80/ 6/ 8 N/A 2/ 4
WAUKEGAN HARBOR 69 70 100/ 2/ 4 N/A 2/ 3
WILMETTE BUOY 69 90/ 4/ 6 1023.2R 2/ 4
CHICAGO BUOY 70 71 70/ 2/ 4 1021.0R 2/ 5
HARRISON CRIB 77 CALM / 1 N/A
NORTHERLY ISL 71 80/ 2/ 7 N/A
CALUMET HARBOR 70 190/ 3/ 4 1019.4
BURNS HARBOR 69 330/ 3/ 4 1021.3R
MICHIGAN CITY 70 170/ 5/ 8 1019.3S
MICH CITY BUOY 70 76 170/ 2/ 4 1019.2S 2/ 5
ST. JOSEPH BUOY 69 76 120/ 8/ 12 1021.5R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 76 69 79 E7 30.12R TC 24
GALESBURG* PTSUNNY 71 63 75 SE6 30.15S TC 22
MACOMB* CLOUDY 72 67 84 SE5 30.15F TC 22
PITTSFIELD* CLOUDY 73 72 95 CALM 30.14R TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-181700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 74 62 67 CALM 30.16R TC 23
BLOOMINGTON CLOUDY 74 67 78 E7 30.16S TC 23
DECATUR MOSUNNY 77 70 79 E6 30.13S TC 25
PEORIA CLOUDY 74 64 71 E7 30.14S TC 23
LACON* SUNNY 73 60 65 SE5 30.14S TC 23
LINCOLN* CLOUDY 77 68 75 E3 30.13F TC 25
SPRINGFIELD MOSUNNY 77 70 79 E5 30.12S TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 76 66 71 SE5 30.14F TC 24
MATTOON CLOUDY 74 70 87 CALM 30.12F TC 23
ILZ079-100>102-181700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 75 72 88 VRB6 30.12R FOG TC 24
BELLEVILLE PTSUNNY 80 75 84 E5 30.09S HX 85 TC 27
CAHOKIA* CLOUDY 80 73 79 VRB3 30.10R HX 84 TC 27
SPARTA* CLOUDY 82 77 84 E5 30.11S HX 89 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 81 75 83 E5 30.10S HX 86 TC 27
CAIRO* MOSUNNY 87 79 78 CALM 30.09R HX 101 TC 31
EFFINGHAM* CLOUDY 74 73 97 NE3 30.14S FOG TC 23
MARION PTSUNNY 81 75 83 N5 30.10S HX 86 TC 27
MT. VERNON CLOUDY 80 75 84 NE7 30.11S HX 85 TC 27
CENTRALIA* CLOUDY 79 75 87 E6 30.11F HX 82 TC 26
SALEM* CLOUDY 78 72 81 CALM 30.12S HX 81 TC 26
METROPOLIS* MOSUNNY 86 78 77 CALM 30.09S HX 98 TC 30
ILZ067-068-072-073-078-083-087-091-181700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 80 75 84 VRB6 30.11S HX 85 TC 27
FLORA* CLOUDY 77 73 88 CALM 30.12S TC 25
FAIRFIELD* CLOUDY 80 74 83 N3 30.10F HX 84 TC 27
HARRISBURG* PTSUNNY 82 75 79 CALM 30.10S HX 89 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