306
ASUS43 KLOT 182101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-182200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 79 68 69 S6 30.05F HX 81 TC 26
ILZ003-004-008-010-011-017-018-182200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 79 61 53 SW7 30.08F HX 80 TC 26
ROCHELLE* PTSUNNY 78 64 61 SW7 30.09S HX 80 TC 26
PERU* MOSUNNY 80 67 64 SW7 30.08F HX 82 TC 27
ILZ005-006-012>014-019>023-182200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 79 62 56 E8 30.06F HX 80 TC 26
CHICAGO-MIDWAY PTSUNNY 80 62 54 E7 30.06F HX 81 TC 27
AURORA SUNNY 81 64 56 SW5 30.07F HX 82 TC 27
JOLIET* SUNNY 81 64 55 CALM 30.07F HX 82 TC 27
WAUKEGAN MOSUNNY 76 62 62 E8 30.08F TC 24
DUPAGE AIRPORT SUNNY 81 60 48 S5 30.06F HX 82 TC 27
KANKAKEE* MOSUNNY 79 65 61 S5 30.09S HX 81 TC 26
WHEELING SUNNY 76 63 64 NE9 30.09F TC 24
MORRIS* SUNNY 79 66 63 CALM 30.06F HX 81 TC 26
ROMEOVILLE* SUNNY 81 64 57 SW7 30.07F HX 82 TC 27
LANSING* SUNNY 83 64 53 E3 30.07F HX 84 TC 28
NORTHERLY ISL* N/A 71 61 70 NE5 N/A TC 22
LMZ740>746-182200-
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 69 69 130/ 6/ 8 1019.2F
WINTHROP HARBOR 69 71 110/ 4/ 6 N/A 2/ 5
WAUKEGAN HARBOR 70 71 90/ 4/ 8 N/A 2/ 4
WILMETTE BUOY 70 120/ 10/ 12 1021.3F 2/ 5
CHICAGO BUOY 72 72 60/ 8/ 10 1018.9F 2/ 5
HARRISON CRIB 77 100/ 8/ 9 N/A
NORTHERLY ISL 72 70/ 5/ 8 N/A
CALUMET HARBOR 74 50/ 9/ 10 1017.5F
BURNS HARBOR 73 40/ 6/ 6 1019.0F
MICHIGAN CITY 73 10/ 9/ 10 1017.4F
MICH CITY BUOY 72 76 10/ 6/ 10 1017.4F 2/ 5
ST. JOSEPH BUOY 73 77 310/ 6/ 6 1019.9F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-182200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 83 71 67 S6 30.05F HX 87 TC 28
GALESBURG* PTSUNNY 79 68 68 CALM 30.08S HX 81 TC 26
MACOMB* CLOUDY 81 71 72 SE6 30.08F HX 85 TC 27
PITTSFIELD* PTSUNNY 82 74 76 SE5 30.08S HX 87 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-182200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 82 66 59 SW5 30.08F HX 84 TC 28
BLOOMINGTON PTSUNNY 79 69 71 SE5 30.09F HX 81 TC 26
DECATUR MOSUNNY 84 72 67 SE6 30.07F HX 89 TC 29
PEORIA PTSUNNY 82 69 64 S7 30.07F HX 85 TC 28
LACON* CLOUDY 80 65 60 SW7 30.06F HX 82 TC 27
LINCOLN* CLOUDY 83 70 63 S3 30.07F HX 87 TC 28
SPRINGFIELD PTSUNNY 84 71 65 CALM 30.06F HX 89 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 84 73 70 VRB3 30.08F HX 91 TC 29
RANTOUL* CLOUDY 82 68 61 CALM 30.08S HX 85 TC 28
MATTOON PTSUNNY 83 71 67 CALM 30.06F HX 87 TC 28
ILZ079-100>102-182200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 82 73 74 E5 30.06S HX 88 TC 28
BELLEVILLE PTSUNNY 83 77 80 SW6 30.04S HX 92 TC 29
CAHOKIA* PTSUNNY 83 76 79 S6 30.05S HX 91 TC 28
SPARTA* CLOUDY 85 77 77 CALM 30.06F HX 96 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 85 77 77 SE10 30.02F HX 94 TC 29
EFFINGHAM* PTSUNNY 82 73 75 CALM 30.09F HX 87 TC 28
MARION PTSUNNY 88 79 74 CALM 30.04F HX 102 TC 31
MT. VERNON MOSUNNY 89 75 63 SW3 30.05F HX 99 TC 32
CENTRALIA* MOSUNNY 86 75 69 CALM 30.06F HX 95 TC 30
SALEM* PTSUNNY 86 75 69 CALM 30.06S HX 95 TC 30
METROPOLIS* MOSUNNY 91 74 57 CALM 30.01F HX 100 TC 33
ILZ067-068-072-073-078-083-087-091-182200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 86 74 67 CALM 30.06S HX 94 TC 30
FLORA* MOSUNNY 86 75 70 N6 30.07S HX 95 TC 30
FAIRFIELD* MOSUNNY 86 74 66 CALM 30.06S HX 94 TC 30
HARRISBURG* MOSUNNY 89 77 67 CALM 30.04S HX 100 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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