888
ASUS43 KLOT 200310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-200400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 70 67 90 SW3 29.93R TC 21
STERLING* MOCLDY 70 68 93 E7 29.96R TC 21
SAVANNA* MOCLDY 71 65 81 NE6 29.95R TC 22
ILZ003-004-008-010-011-017-018-200400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 69 62 78 E6 29.98R TC 21
FREEPORT* MOCLDY 67 66 96 CALM 29.99R TC 20
ROCHELLE* MOCLDY 69 65 86 E3 29.98R TC 21
DE KALB* MOCLDY 67 64 91 NE7 29.98R TC 20
PERU* CLOUDY 72 66 83 E5 29.95R TC 22
ILZ005-006-012>014-019>023-200400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 57 59 E8 29.96R TC 22
CHICAGO-MIDWAY CLOUDY 73 58 59 NE13 29.96R TC 23
AURORA CLOUDY 70 64 81 E7 29.95R TC 21
JOLIET* CLOUDY 72 67 82 NE6 29.95S TC 22
WAUKEGAN MOCLDY 67 57 70 NE3 29.97R TC 19
DUPAGE AIRPORT MOCLDY 69 61 75 NE7 29.96R TC 21
KANKAKEE* CLOUDY 70 66 88 NE6 29.95S TC 21
WHEELING MOCLDY 69 59 70 NE3 29.98R TC 21
ROMEOVILLE* MOCLDY 70 66 88 NE9 29.96R TC 21
LANSING* MOCLDY 71 61 70 NE6 29.96S TC 22
NORTHERLY ISL* N/A 72 57 59 NE14 N/A TC 22
LMZ740>746-200400-
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 30/ 10/ 12 1011.5 2/ 4
WAUKEGAN HARBOR 73 74 20/ 10/ 16 1015.6 2/ 4
WILMETTE BUOY 73 100/ 14/ 19 1017.5R 2/ 4
CHICAGO BUOY 74 73 1013.3 3/ 4
NORTHERLY ISL 72 40/ 11/ 12 N/A
CALUMET HARBOR 73 30/ 10/ 12 1014.6
MICH CITY BUOY 73 74 40/ 14/ 17 N/A 3/ 4
ST. JOSEPH BUOY 73 75 30/ 14/ 16 1015.3R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-200400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 68 66 93 NE9 29.92F TC 20
GALESBURG* CLOUDY 69 69 100 CALM 29.96R TC 20
MACOMB* MOCLDY 66 66 100 CALM 29.97S TC 19
JACKSONVILLE* MOCLDY 72 72 100 NE7 29.93R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-200400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 70 70 98 E5 29.94S TC 21
BLOOMINGTON TSTM 68 68 100 E7 29.94F TC 20
DECATUR RAIN 69 67 93 N17G25 29.95R FOG TC 21
PEORIA MOCLDY 70 68 93 CALM 29.93R TC 21
LACON* MOCLDY 69 67 94 CALM 29.93R TC 21
LINCOLN* CLOUDY 70 69 99 CALM 29.92F TC 21
SPRINGFIELD LGT RAIN 69 65 86 NE7 29.93S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-200400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 71 71 100 N5 29.92S THUNDER TC 22
RANTOUL* RAIN 71 70 97 NE7 29.94R TC 22
MATTOON MOCLDY 74 72 93 S6 29.91F TC 23
PARIS* CLOUDY 71 67 87 E5 29.93R TC 22
ILZ079-100>102-200400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE MOCLDY 74 73 97 CALM 29.91R TC 24
CAHOKIA* MOCLDY 76 74 93 CALM 29.92R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 76 76 98 CALM 29.92S TC 25
EFFINGHAM* MOCLDY 74 74 100 S3 29.94S TC 24
MARION MOCLDY 73 73 98 CALM 29.94R TC 23
MT. VERNON MOCLDY 73 72 96 CALM 29.94R TC 23
CENTRALIA* PTCLDY 73 72 98 CALM 29.94R FOG TC 23
SALEM* MOCLDY 74 73 95 MISG 29.93F TC 24
METROPOLIS* MOCLDY 75 74 97 CALM 29.94S TC 24
ILZ067-068-072-073-078-083-087-091-200400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 75 70 84 CALM 29.93R TC 24
FLORA* MOCLDY 75 75 100 SW3 29.93S TC 24
FAIRFIELD* MOCLDY 73 71 92 CALM 29.93S TC 23
HARRISBURG* PTCLDY 74 74 97 CALM 29.94S TC 24
ROBINSON* LGT RAIN 73 73 100 S2 29.92S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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