967
ASUS43 KLOT 200201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT WED AUG 19 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.
ILZ001-002-007-009-015-016-024-200300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 73 66 78 CALM 29.90F TC 23
STERLING* MOCLDY 72 69 90 E5 29.93S TC 22
SAVANNA* MOCLDY 71 66 83 NE5 29.93R TC 22
ILZ003-004-008-010-011-017-018-200300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 71 64 78 E6 29.96R TC 22
FREEPORT* MOCLDY 69 68 95 CALM 29.97R TC 21
ILZ005-006-012>014-019>023-200300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 72 59 63 NE7 29.95R TC 22
CHICAGO-MIDWAY MOCLDY 73 61 65 NE13 29.95R TC 23
AURORA MOCLDY 70 65 84 NE6 29.94R TC 21
JOLIET* CLOUDY 73 65 74 NE9 29.94R TC 23
WAUKEGAN MOCLDY 64 61 90 NE3 29.96R TC 18
DUPAGE AIRPORT MOCLDY 70 64 81 NE7 29.95R TC 21
WHEELING MOCLDY 71 59 65 NE5 29.97R TC 22
LANSING* MOCLDY 71 64 78 NE3 29.95R TC 22
NORTHERLY ISL* N/A 72 60 66 NE12 N/A TC 22
LMZ740>746-200300-
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 73 74 40/ 10/ 14 1011.4F 2/ 3
WAUKEGAN HARBOR 73 74 30/ 10/ 14 1015.2R 2/ 3
WILMETTE BUOY 74 90/ 14/ 19 1017.2R 2/ 3
CHICAGO BUOY 74 74 1012.9R 2/ 4
NORTHERLY ISL 72 40/ 10/ 12 N/A
CALUMET HARBOR 73 30/ 9/ 12 1014.0R
MICH CITY BUOY 73 74 40/ 16/ 19 N/A 3/ 4
ST. JOSEPH BUOY 73 75 30/ 14/ 17 1015.1R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-200300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 69 65 86 NE3 29.93R TC 21
MACOMB* CLOUDY 65 65 100 CALM 29.95R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-200300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON TSTM 69 69 100 N3G17 29.97R FOG TC 21
DECATUR MOCLDY 75 73 93 W6 29.91R TC 24
PEORIA LGT RAIN 70 69 97 E5 29.92S TC 21
SPRINGFIELD CLOUDY 76 73 91 NW7 29.92R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-200300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 72 70 93 CALM 29.91R TC 22
MATTOON PTCLDY 74 72 93 SW3 29.92R TC 23
ILZ079-100>102-200300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 73 73 100 CALM 29.92R TC 23
CAHOKIA* CLOUDY 76 74 93 CALM 29.91R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION PTCLDY 75 74 99 CALM 29.93R TC 24
MT. VERNON PTCLDY 74 72 93 CALM 29.93R TC 23
CENTRALIA* PTCLDY 75 73 94 CALM 29.92S TC 24
SALEM* PTCLDY 76 73 92 MISG 29.92S TC 24
ILZ067-068-072-073-078-083-087-091-200300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 75 71 87 S6 29.91R TC 24
FAIRFIELD* PTCLDY 73 71 92 CALM 29.92R TC 23
HARRISBURG* PTCLDY 76 73 90 CALM 29.94R TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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