013
ASUS43 KLOT 131703
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT THU AUG 13 2026
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.
ILZ001-002-007-009-015-016-024-131800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE TSTM 73 72 96 N8 30.02 FOG TC 23
STERLING* CLOUDY 73 73 100 W5 30.04R TC 23
SAVANNA* TSTM 73 72 95 W6 30.05R TC 23
ILZ003-004-008-010-011-017-018-131800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD TSTM 73 70 90 NE3 30.01R TC 23
FREEPORT* CLOUDY 72 71 96 CALM 30.04R THUNDER TC 22
DE KALB* CLOUDY 71 71 100 CALM 30.01R FOG TC 22
ILZ005-006-012>014-019>023-131800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 77 70 79 E3 29.97R TC 25
CHICAGO-MIDWAY CLOUDY 77 70 79 SW5 29.97R TC 25
AURORA CLOUDY 74 70 87 S3 29.98R FOG TC 23
JOLIET* CLOUDY 76 73 88 E3 29.97R TC 25
WAUKEGAN CLOUDY 74 70 87 E6 29.99R TC 23
DUPAGE AIRPORT CLOUDY 76 71 85 S3 29.98R TC 24
WHEELING CLOUDY 77 70 79 E6 29.99R TC 25
NORTHERLY ISL* N/A 75 69 81 E2 N/A TC 24
LMZ740>746-131800-
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)
WINTHROP HARBOR 74 74 80/ 4/ 4 1015.3R 1
WAUKEGAN HARBOR 74 74 80/ 4/ 6 1016.1R 1
WILMETTE BUOY 73 160/ 4/ 6 1018.5R 1/ 3
CHICAGO BUOY 74 73 1014.2R 1/ 3
HARRISON CRIB 74 130/ 6/ 6 N/A
NORTHERLY ISL 74 120/ 4/ 9 N/A
CALUMET HARBOR 73 180/ 4/ 5 1015.0
MICHIGAN CITY 74 160/ 5/ 6 1013.5R
MICH CITY BUOY 73 73 140/ 4/ 6 N/A 0
ST. JOSEPH BUOY 73 73 170/ 6/ 6 1015.9R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-131800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 79 74 84 N14 29.94R HX 82 TC 26
MACOMB* RAIN 72 72 100 NW10 29.99R VSB 3/4 TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-131800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 79 76 90 E8 29.95S HX 83 TC 26
DECATUR CLOUDY 87 75 67 SW7 29.92F HX 96 TC 31
PEORIA CLOUDY 77 73 87 E7 29.91S THUNDER TC 25
LACON* PTSUNNY 74 70 87 CALM 29.95R TC 23
LINCOLN* CLOUDY 82 77 84 E3 29.92S HX 90 TC 28
SPRINGFIELD CLOUDY 84 75 74 S6 29.91R HX 92 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-131800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 82 76 81 E7 29.95R HX 89 TC 28
DANVILLE* PTSUNNY 83 75 78 E5 29.96S HX 90 TC 28
MATTOON PTSUNNY 85 75 72 S7 29.93R HX 93 TC 29
ILZ079-100>102-131800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 88 77 70 W6 29.93R HX 100 TC 31
CAHOKIA* PTSUNNY 89 77 67 VRB3 29.92R HX 101 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-131800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* SUNNY 90 78 68 CALM 29.95F HX 104 TC 32
MT. VERNON PTSUNNY 87 77 72 S10 29.94S HX 99 TC 31
CENTRALIA* PTSUNNY 87 78 74 CALM 29.94S HX 99 TC 30
SALEM* N/A 87 79 76 MISG 29.94S HX 101 TC 31
ILZ067-068-072-073-078-083-087-091-131800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 89 75 63 S5 29.92F HX 99 TC 32
FAIRFIELD* PTSUNNY 83 75 75 SW9 29.93S HX 91 TC 29
HARRISBURG* PTSUNNY 84 78 80 SW7 29.95S HX 95 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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