644
ASUS43 KLOT 200212
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* CLOUDY 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
ROCHELLE* CLOUDY 70 65 85 E6 29.95R TC 21
DE KALB* MOCLDY 68 67 96 NE7 29.97R TC 20
PERU* CLOUDY 73 72 94 NE3 29.93R TC 23
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
KANKAKEE* MOCLDY 71 67 88 NE6 29.95R TC 22
WHEELING PTCLDY 71 59 65 NE5 29.97R TC 22
ROMEOVILLE* MOCLDY 72 66 83 NE9 29.95R TC 22
LANSING* PTCLDY 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 1011.4 2/ 3
WAUKEGAN HARBOR 73 74 30/ 10/ 14 1015.3 2/ 3
WILMETTE BUOY 73 90/ 14/ 17 1017.3R 2/ 4
CHICAGO BUOY 74 74 1013.2 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 74 75 30/ 14/ 16 1015.2R 3/ 3
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 MOCLDY 69 65 86 NE3 29.93R TC 21
GALESBURG* CLOUDY 69 69 100 CALM 29.94R TC 21
MACOMB* MOCLDY 65 65 100 CALM 29.95R TC 19
JACKSONVILLE* MOCLDY 74 74 100 N6 29.92R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-200300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC RAIN 73 72 96 NE7 29.94R TC 23
BLOOMINGTON TSTM 70 70 100 N5 29.97R FOG TC 21
DECATUR MOCLDY 75 73 93 W6 29.91R TC 24
PEORIA MOCLDY 70 69 97 E3 29.92S TC 21
LACON* LGT RAIN 69 67 92 CALM 29.91F TC 21
LINCOLN* TSTM 71 68 92 NW16G30 29.96R TC 22
SPRINGFIELD LGT RAIN 73 66 78 N13G31 29.93R TC 23
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
RANTOUL* MOCLDY 71 70 96 CALM 29.92S TC 22
MATTOON MOCLDY 74 72 93 SW3 29.92R TC 23
PARIS* MOCLDY 72 72 98 CALM 29.92R TC 22
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
BELLEVILLE MOCLDY 76 75 97 CALM 29.89S TC 25
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
CAIRO* PTCLDY 75 75 99 CALM 29.92R TC 24
EFFINGHAM* MOCLDY 75 75 100 CALM 29.94R TC 24
MARION PTCLDY 75 74 99 CALM 29.93R TC 24
MT. VERNON MOCLDY 74 72 93 CALM 29.93R TC 23
CENTRALIA* CLOUDY 75 73 94 CALM 29.92S TC 24
SALEM* MOCLDY 76 73 92 MISG 29.92S TC 24
METROPOLIS* PTCLDY 74 73 98 CALM 29.93R TC 23
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
FLORA* MOCLDY 75 N/A N/A SW5 29.92R TC 24
FAIRFIELD* MOCLDY 73 71 92 CALM 29.92R TC 23
HARRISBURG* MOCLDY 76 73 90 CALM 29.94R TC 25
ROBINSON* MOCLDY 73 73 100 CALM 29.91R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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