417
ASUS43 KLOT 180807
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-180900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 66 60 81 E12 30.10S TC 19
ILZ003-004-008-010-011-017-018-180900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 56 51 84 CALM 30.15S TC 13
ROCHELLE* CLEAR 55 52 89 CALM 30.14R TC 13
PERU* PTCLDY 61 59 92 NE5 30.12S TC 16
ILZ005-006-012>014-019>023-180900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 59 54 83 N5 30.10F TC 15
CHICAGO-MIDWAY PTCLDY 62 54 74 NW3 30.11R TC 17
AURORA PTCLDY 57 54 89 CALM 30.12S TC 14
JOLIET* PTCLDY 61 57 88 CALM 30.13R TC 16
WAUKEGAN CLOUDY 59 54 83 NW5 30.12F TC 15
DUPAGE AIRPORT PTCLDY 56 53 90 N3 30.11S TC 13
KANKAKEE* CLOUDY 64 58 79 NE3 30.12F TC 18
WHEELING CLOUDY 62 56 80 NW5 30.13S TC 17
MORRIS* PTCLDY 60 59 96 CALM 30.11S TC 16
ROMEOVILLE* PTCLDY 59 57 94 N5 30.13R TC 15
LANSING* PTCLDY 63 58 83 CALM 30.11F TC 17
NORTHERLY ISL* N/A 63 55 75 MISG N/A TC 17
LMZ740>746-180900-
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 60/ 10/ 12 1020.0R
WINTHROP HARBOR 66 69 40/ 6/ 10 N/A 2/ 4
WAUKEGAN HARBOR 66 70 10/ 6/ 10 N/A 2/ 5
WILMETTE BUOY 66 50/ 6/ 8 1021.3R 3/ 7
CHICAGO BUOY 66 71 20/ 6/ 8 1020.3R 2/ 5
HARRISON CRIB 72 20/ 9/ 11 N/A
NORTHERLY ISL 63 30/ 5/ 9 N/A
CALUMET HARBOR 64 330/ 3/ 5 1018.5
BURNS HARBOR 67 60/ 4/ 5 1019.6F
MICHIGAN CITY 65 150/ 6/ 7 1017.9R
MICH CITY BUOY 68 75 40/ 4/ 8 1018.0F 3/ 6
ST. JOSEPH BUOY 64 76 60/ 14/ 17 1019.9F 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-180900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 69 67 93 NE6 30.08R TC 21
GALESBURG* MOCLDY 64 63 94 E5 30.12R TC 18
MACOMB* CLOUDY 68 67 98 E3 30.11S TC 20
PITTSFIELD* CLEAR 71 70 98 NE5 30.08S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-180900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 64 60 87 E3 30.12S TC 18
BLOOMINGTON CLOUDY 65 62 90 NE10 30.12S TC 18
DECATUR CLOUDY 69 65 86 NE8 30.09S TC 21
PEORIA CLEAR 66 61 84 E7 30.09S TC 19
LACON* CLOUDY 64 59 84 NE3 30.11R TC 18
LINCOLN* CLOUDY 68 68 100 NE8 30.09S TC 20
SPRINGFIELD CLOUDY 68 65 90 NE10 30.08S TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 65 60 82 NE7 30.11S TC 19
MATTOON CLOUDY 68 66 93 NE9 30.07R TC 20
ILZ079-100>102-180900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE FOG 74 73 97 NE3 30.03 VSB 1/4 TC 23
SPARTA* CLOUDY 74 73 95 CALM 30.06S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 73 73 100 CALM 30.03S FOG TC 23
CAIRO* CLEAR 77 76 97 CALM 30.02S TC 25
EFFINGHAM* CLOUDY 71 71 100 CALM 30.08S FOG TC 22
MARION PTCLDY 72 71 96 CALM 30.04S TC 22
MT. VERNON CLOUDY 74 74 100 CALM 30.05S TC 23
CENTRALIA* PTCLDY 72 71 98 CALM 30.05S FOG TC 22
SALEM* CLOUDY 73 73 99 CALM 30.05S FOG TC 23
METROPOLIS* CLEAR 74 73 96 CALM 30.03S TC 24
ILZ067-068-072-073-078-083-087-091-180900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 74 74 100 N5 30.05F TC 23
FLORA* CLOUDY 73 N/A N/A E3 30.06S TC 23
FAIRFIELD* CLOUDY 74 73 98 CALM 30.05S TC 23
HARRISBURG* PTCLDY 73 72 97 CALM 30.04S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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