266
ASUS43 KLOT 181001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-181100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 64 60 87 E10 30.11S TC 18
ILZ003-004-008-010-011-017-018-181100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 54 50 86 CALM 30.16R TC 12
ROCHELLE* CLEAR 54 52 94 CALM 30.15S TC 12
PERU* MOCLDY 60 57 89 NE6 30.13S TC 16
ILZ005-006-012>014-019>023-181100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 59 54 83 N5 30.11S TC 15
CHICAGO-MIDWAY MOCLDY 62 55 77 CALM 30.12R TC 17
AURORA PTCLDY 54 52 93 NW3 30.13S TC 12
JOLIET* CLOUDY 61 58 90 CALM 30.14R TC 16
WAUKEGAN MOCLDY 59 54 83 N5 30.13R TC 15
DUPAGE AIRPORT PTCLDY 57 53 86 CALM 30.12S TC 14
KANKAKEE* CLOUDY 64 61 91 CALM 30.13R TC 18
WHEELING CLEAR 59 56 89 N3 30.14R TC 15
MORRIS* MOCLDY 58 57 96 CALM 30.12R TC 15
LANSING* CLEAR 60 57 91 CALM 30.13R TC 16
NORTHERLY ISL* N/A 64 57 78 MISG N/A TC 18
LMZ740>746-181100-
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 66 69 70/ 10/ 12 1020.5R
WINTHROP HARBOR 66 69 40/ 10/ 14 N/A 2/ 6
WAUKEGAN HARBOR 67 70 20/ 12/ 17 N/A 2/ 4
WILMETTE BUOY 68 40/ 8/ 12 1021.3F 2/ 6
CHICAGO BUOY 67 71 360/ 8/ 10 1020.3R 2/ 5
HARRISON CRIB 72 350/ 8/ 9 N/A
NORTHERLY ISL 64 350/ 4/ 5 N/A
CALUMET HARBOR 63 320/ 2/ 3 1018.8
BURNS HARBOR 65 180/ 2/ 2 1020.3R
MICHIGAN CITY 64 130/ 5/ 6 1018.5R
MICH CITY BUOY 66 75 110/ 6/ 8 1018.3R 3/ 6
ST. JOSEPH BUOY 64 76 60/ 14/ 17 1020.4R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-181100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 69 67 93 E8 30.08R TC 21
GALESBURG* CLOUDY 64 60 88 E6 30.12S TC 18
MACOMB* CLOUDY 66 66 98 NE5 30.12R TC 19
PITTSFIELD* CLOUDY 70 69 98 NE5 30.09R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-181100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 63 60 90 NE5 30.12F TC 17
BLOOMINGTON CLOUDY 64 62 93 E8 30.12R TC 18
DECATUR CLOUDY 68 64 87 NE7 30.09R TC 20
PEORIA CLOUDY 66 61 84 NE8 30.11R TC 19
LACON* CLOUDY 64 58 82 CALM 30.11S TC 18
LINCOLN* CLOUDY 67 67 100 NE5 30.10R TC 20
SPRINGFIELD CLOUDY 67 65 93 NE7 30.08S TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 65 60 84 NE7 30.11R TC 18
MATTOON CLOUDY 67 65 93 NE8 30.07S TC 19
ILZ079-100>102-181100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE FOG 74 73 97 NE3 30.03R VSB 3/8 TC 23
SPARTA* CLOUDY 74 73 95 CALM 30.06R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE FOG 73 73 100 N3 30.03S VSB 1/2 TC 23
CAIRO* PTCLDY 76 75 98 CALM 30.03R TC 24
EFFINGHAM* CLOUDY 72 72 100 CALM 30.08R FOG TC 22
MARION CLOUDY 71 70 96 CALM 30.05R FOG TC 22
MT. VERNON CLOUDY 73 73 100 CALM 30.05R TC 23
CENTRALIA* FOG 73 72 98 CALM 30.05R VSB 1 TC 23
SALEM* CLOUDY 73 73 97 CALM 30.05S FOG TC 23
METROPOLIS* PTCLDY 74 73 96 CALM 30.04R TC 23
ILZ067-068-072-073-078-083-087-091-181100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 74 74 100 NE5 30.05R TC 23
FLORA* CLOUDY 73 N/A N/A N6 30.06R FOG TC 23
FAIRFIELD* FOG 73 73 99 CALM 30.05R VSB 3/4 TC 23
HARRISBURG* PTCLDY 72 71 98 CALM 30.04S TC 22
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