113
ASUS43 KLOT 190510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM 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.
ILZ001-002-007-009-015-016-024-190600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 70 68 93 SW3 29.91F TC 21
STERLING* MOCLDY 70 70 100 CALM 29.92F TC 21
SAVANNA* CLEAR 67 66 96 CALM 29.92F TC 20
ILZ003-004-008-010-011-017-018-190600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 64 63 96 CALM 29.93F TC 18
FREEPORT* CLEAR 63 62 96 CALM 29.94F TC 17
ROCHELLE* CLEAR 65 64 95 CALM 29.92F TC 18
DE KALB* PTCLDY 65 65 100 CALM 29.93F TC 18
PERU* CLEAR 72 70 94 W3 29.92F TC 22
ILZ005-006-012>014-019>023-190600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 67 66 97 SW3 29.91S TC 19
CHICAGO-MIDWAY PTCLDY 68 66 93 W5 29.91F TC 20
AURORA PTCLDY 66 66 100 CALM 29.92F TC 19
JOLIET* PTCLDY 73 72 99 CALM 29.92F TC 23
WAUKEGAN PTCLDY 63 63 100 W5 29.90S TC 17
DUPAGE AIRPORT PTCLDY 66 66 100 CALM 29.92S TC 19
KANKAKEE* MOCLDY 70 69 95 SW7 29.94S TC 21
WHEELING PTCLDY 67 66 97 SW3 29.92S TC 19
ROMEOVILLE* PTCLDY 68 68 100 S5 29.92F TC 20
LANSING* LGT RAIN 68 67 94 S5 29.91F TC 20
NORTHERLY ISL* N/A 69 64 84 W3 N/A TC 21
LMZ740>746-190600-
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 67 74 N/A 0
WAUKEGAN HARBOR 67 74 N/A 1
WILMETTE BUOY 70 1015.2S 1/ 3
CHICAGO BUOY 72 73 1011.6 1/ 3
NORTHERLY ISL 70 260/ 5/ 15 N/A
CALUMET HARBOR 69 220/ 3/ 5 1013.3F
MICH CITY BUOY 69 74 190/ 6/ 8 N/A 1/ 2
ST. JOSEPH BUOY 69 74 220/ 6/ 10 1013.6F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 71 69 93 CALM 29.96R TC 22
GALESBURG* CLEAR 68 68 100 SW5 29.96R TC 20
MACOMB* CLEAR 67 67 100 CALM 29.98R TC 19
JACKSONVILLE* MOCLDY 69 69 100 CALM 29.96R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-190600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 71 70 98 SW3 29.93F TC 22
BLOOMINGTON PTCLDY 72 70 93 W6 29.97F TC 22
DECATUR CLEAR 72 67 84 MISG 29.96S TC 22
PEORIA CLEAR 72 69 90 S3 29.94F TC 22
LACON* CLEAR 70 67 90 CALM 29.92F TC 21
LINCOLN* CLEAR 69 69 100 CALM 29.95F TC 21
SPRINGFIELD CLEAR 69 67 93 CALM 29.95S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 67 67 100 SW3 29.96F TC 19
RANTOUL* PTCLDY 69 68 98 CALM 29.97F TC 20
MATTOON CLEAR 72 68 87 S3 29.96S TC 22
PARIS* CLEAR 67 66 97 S3 29.97S TC 19
ILZ079-100>102-190600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 71 69 94 CALM 29.96S TC 22
BELLEVILLE CLEAR 74 73 97 CALM 29.93F TC 23
CAHOKIA* CLEAR 74 70 87 S5 29.94S TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 74 69 84 CALM 29.98S TC 24
EFFINGHAM* CLEAR 69 69 99 CALM 29.98S TC 20
MARION CLEAR 71 71 98 S5 29.98F TC 22
MT. VERNON CLEAR 71 68 90 CALM 29.97F TC 22
SALEM* N/A 74 69 83 MISG 29.96F TC 24
METROPOLIS* CLEAR 69 68 97 CALM 29.99S TC 21
ILZ067-068-072-073-078-083-087-091-190600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 70 67 90 CALM 29.97S TC 21
FLORA* CLEAR 70 68 94 CALM 29.97S TC 21
FAIRFIELD* CLEAR 72 65 80 CALM 29.97S TC 22
HARRISBURG* CLEAR 70 68 96 CALM 29.98F TC 21
ROBINSON* PTCLDY 66 66 100 S2 29.96S FOG TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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