768
ASUS43 KLOT 182201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-182300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 80 68 66 S6 30.04F HX 83 TC 27
ILZ003-004-008-010-011-017-018-182300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 79 61 53 S6 30.08S HX 80 TC 26
ILZ005-006-012>014-019>023-182300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 79 62 56 E7 30.05F HX 80 TC 26
CHICAGO-MIDWAY PTSUNNY 81 62 52 SE8 30.05F HX 82 TC 27
AURORA SUNNY 80 65 59 CALM 30.07S HX 82 TC 27
WAUKEGAN MOSUNNY 74 62 66 SE5 30.07F TC 23
DUPAGE AIRPORT SUNNY 82 62 50 SW7 30.05F HX 83 TC 28
WHEELING MOSUNNY 77 64 64 E6 30.08F TC 25
MORRIS* MOSUNNY 80 68 66 W6 30.06S HX 83 TC 27
ROMEOVILLE* SUNNY 81 64 57 S5 30.07S HX 82 TC 27
LANSING* MOSUNNY 82 65 57 NE6 30.07R HX 83 TC 28
NORTHERLY ISL* N/A 73 63 70 NE5 N/A TC 23
LMZ740>746-182300-
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 70 120/ 6/ 6 1018.5F
WINTHROP HARBOR 70 71 130/ 4/ 6 N/A 2/ 4
WAUKEGAN HARBOR 70 71 130/ 4/ 6 N/A 2/ 4
WILMETTE BUOY 70 110/ 6/ 10 1020.8F 2/ 5
CHICAGO BUOY 73 72 60/ 6/ 8 1018.6F 2/ 5
HARRISON CRIB 78 90/ 6/ 8 N/A
NORTHERLY ISL 72 40/ 5/ 7 N/A
CALUMET HARBOR 74 50/ 5/ 8 1017.3
BURNS HARBOR 75 40/ 5/ 7 1018.6F
MICHIGAN CITY 73 20/ 10/ 11 1016.6F
MICH CITY BUOY 73 76 20/ 8/ 10 1016.6F 2/ 5
ST. JOSEPH BUOY 74 77 340/ 6/ 8 1019.0F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-182300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 81 73 76 SE7 30.04F HX 86 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-182300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR CLOUDY 84 72 67 E5 30.05F HX 89 TC 29
PEORIA PTSUNNY 83 70 64 SW7 30.05F HX 87 TC 28
SPRINGFIELD MOSUNNY 84 73 69 E6 30.04F HX 90 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON SUNNY 81 72 74 SE3 30.05F HX 85 TC 27
ILZ079-100>102-182300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 84 75 74 E7 30.04F HX 92 TC 29
BELLEVILLE CLOUDY 84 76 75 CALM 30.01F HX 93 TC 29
CAHOKIA* CLOUDY 85 76 74 VRB5 30.02F HX 94 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION PTSUNNY 86 79 79 N6 30.02F HX 99 TC 30
CENTRALIA* PTSUNNY 84 77 77 CALM 30.04F HX 94 TC 29
SALEM* MOSUNNY 84 75 73 N3 30.04F HX 92 TC 29
METROPOLIS* HVY RAIN 76 74 96 CALM 30.06R TC 24
ILZ067-068-072-073-078-083-087-091-182300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 89 75 63 VRB5 30.04F HX 99 TC 32
FAIRFIELD* MOSUNNY 85 74 70 CALM 30.04S HX 93 TC 30
HARRISBURG* MOSUNNY 87 77 72 NE5 30.03R HX 99 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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