427
ASUS43 KLOT 140203
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-140300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 75 72 90 E12 29.94R TC 24
STERLING* CLOUDY 72 72 100 E9 29.99R TC 22
SAVANNA* TSTM 73 71 95 CALM 29.99R TC 23
ILZ003-004-008-010-011-017-018-140300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 66 93 E5 30.01R TC 20
FREEPORT* CLOUDY 68 67 95 E6 30.02R TC 20
DE KALB* CLOUDY 68 68 100 E5 30.03R FOG TC 20
ILZ005-006-012>014-019>023-140300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 69 65 86 E5 30.01R TC 21
CHICAGO-MIDWAY CLOUDY 70 68 93 SE7 30.00R TC 21
AURORA TSTM 70 69 97 E5 30.01R FOG TC 21
JOLIET* LGT RAIN 75 73 94 E8 29.99F TC 24
WAUKEGAN MOCLDY 65 65 100 N3 30.01R FOG TC 18
DUPAGE AIRPORT CLOUDY 69 68 96 E6 30.00R FOG TC 21
WHEELING CLOUDY 69 67 93 S3 30.02R TC 21
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 70 66 87 SE7 N/A TC 21
LMZ740>746-140300-
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 71 73 220/ 4/ 6 1011.7F 1/ 3
WAUKEGAN HARBOR 72 73 230/ 4/ 6 1016.7R 1/ 3
WILMETTE BUOY 72 190/ 10/ 14 1018.6R 1/ 3
CHICAGO BUOY 73 73 1014.9R 2/ 3
HARRISON CRIB 73 120/ 12/ 13 N/A
NORTHERLY ISL 70 130/ 6/ 14 N/A
CALUMET HARBOR 71 70/ 7/ 10 1016.2
MICHIGAN CITY 72 130/ 4/ 5 1014.7S
MICH CITY BUOY 73 73 130/ 8/ 12 N/A 1/ 3
ST. JOSEPH BUOY 73 74 160/ 6/ 8 1016.7R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-140300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 80 78 94 NE7 29.88R HX 88 TC 27
MACOMB* PTCLDY 75 75 99 NE7 29.94R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-140300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 75 75 100 NE7 29.96S TC 24
DECATUR PTCLDY 75 72 90 SE5 29.92R TC 24
PEORIA CLOUDY 77 74 90 E9 29.93R TC 25
LACON* CLOUDY 74 71 89 E7 29.95R TC 24
LINCOLN* PTCLDY 78 72 82 NE5 29.92R HX 80 TC 26
SPRINGFIELD PTCLDY 79 73 82 SE7 29.89R HX 82 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-140300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 74 73 97 S6 29.94R TC 23
DANVILLE* N/A 74 72 94 E5 29.98R TC 23
MATTOON PTCLDY 77 72 84 SE10 29.94R TC 25
ILZ079-100>102-140300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 86 79 79 S9 29.90R HX 99 TC 30
CAHOKIA* CLEAR 85 80 85 S6 29.88R HX 99 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-140300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 82 79 89 S6 29.92R HX 93 TC 28
CAIRO* CLEAR 86 78 78 CALM 29.95R HX 98 TC 30
MARION CLEAR 81 78 89 S3 29.95R HX 89 TC 27
MT. VERNON CLEAR 85 78 80 S3 29.93R HX 96 TC 29
CENTRALIA* CLEAR 85 78 81 S3 29.93R HX 96 TC 29
SALEM* N/A 86 80 82 MISG 29.92R HX 101 TC 30
ILZ067-068-072-073-078-083-087-091-140300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 79 76 90 E6 29.94R HX 83 TC 26
FAIRFIELD* CLEAR 83 78 84 CALM 29.93R HX 92 TC 28
HARRISBURG* CLEAR 82 78 89 S3 29.94S HX 91 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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