327
ASUS43 KLOT 200406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-200500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 71 67 87 CALM 29.94R TC 22
STERLING* MOCLDY 69 68 96 E8 29.96S TC 21
SAVANNA* MOCLDY 69 65 85 NE5 29.96S TC 21
ILZ003-004-008-010-011-017-018-200500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 67 61 81 NE5 29.99R TC 19
FREEPORT* MOCLDY 65 64 95 NE6 30.00R TC 19
ROCHELLE* MOCLDY 67 64 89 NE6 29.97S TC 19
DE KALB* MOCLDY 65 63 91 E5 29.99S TC 19
PERU* CLOUDY 72 66 83 NE6 29.96R TC 22
ILZ005-006-012>014-019>023-200500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 57 59 NE8 29.96S TC 22
CHICAGO-MIDWAY CLOUDY 72 57 59 NE10 29.96S TC 22
AURORA CLOUDY 67 63 87 NE5 29.96R TC 19
JOLIET* CLOUDY 71 66 84 NE6 29.95F TC 22
WAUKEGAN MOCLDY 64 58 80 NE3 29.97S TC 18
DUPAGE AIRPORT MOCLDY 68 60 75 NE5 29.96S TC 20
KANKAKEE* CLOUDY 69 67 94 NE5 29.95S TC 21
WHEELING MOCLDY 70 58 65 NE5 29.98S TC 21
ROMEOVILLE* CLOUDY 70 64 83 NE10 29.96S TC 21
LANSING* CLOUDY 71 59 66 NE7 29.96S TC 22
NORTHERLY ISL* N/A 72 58 61 NE9 N/A TC 22
LMZ740>746-200500-
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/ 14 1013.5R 2/ 3
WAUKEGAN HARBOR 74 74 10/ 12/ 14 1015.6R 2/ 3
WILMETTE BUOY 74 90/ 14/ 17 1017.6R 2/ 3
CHICAGO BUOY 74 73 1013.5R 3/ 4
NORTHERLY ISL 72 40/ 12/ 14 N/A
CALUMET HARBOR 73 30/ 6/ 13 1014.5
MICH CITY BUOY 74 74 30/ 14/ 17 N/A 3/ 4
ST. JOSEPH BUOY 73 75 20/ 12/ 16 1015.2F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-200500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 68 67 96 N8 29.97R VSB 1 TC 20
GALESBURG* CLOUDY 68 68 100 CALM 29.97R TC 20
MACOMB* MOCLDY 67 67 100 CALM 29.96S TC 19
JACKSONVILLE* MOCLDY 69 69 100 NE3 29.94R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-200500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 69 69 99 NE7 29.93F TC 21
BLOOMINGTON CLOUDY 68 68 100 CALM 29.95R TC 20
DECATUR CLOUDY 69 67 93 E5 29.93F TC 21
PEORIA CLOUDY 69 69 100 CALM 29.93S TC 21
LACON* CLOUDY 69 67 94 CALM 29.94R TC 21
LINCOLN* CLOUDY 69 69 100 CALM 29.94R TC 21
SPRINGFIELD LGT RAIN 68 67 96 CALM 29.92F TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-200500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 68 67 96 NE13G23 29.95 FOG TC 20
RANTOUL* RAIN 69 68 99 SE8 29.96R TC 20
MATTOON CLOUDY 73 72 96 CALM 29.92R TC 23
PARIS* CLOUDY 70 69 97 SE5 29.93F THUNDER TC 21
ILZ079-100>102-200500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 74 73 96 CALM 29.93F TC 23
CAHOKIA* CLEAR 74 73 97 S5 29.91F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 76 76 99 N6 29.93F TC 25
EFFINGHAM* PTCLDY 73 73 99 S3 29.94S TC 23
MARION PTCLDY 73 73 98 CALM 29.92F TC 23
MT. VERNON PTCLDY 73 72 96 CALM 29.92F TC 23
CENTRALIA* PTCLDY 72 72 98 CALM 29.92F TC 22
SALEM* PTCLDY 73 72 98 MISG 29.93F TC 23
METROPOLIS* MOCLDY 75 75 98 CALM 29.92F TC 24
ILZ067-068-072-073-078-083-087-091-200500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 74 71 91 S5 29.93S TC 23
FLORA* PTCLDY 72 N/A N/A CALM 29.93S TC 22
FAIRFIELD* PTCLDY 72 71 95 CALM 29.92F TC 22
HARRISBURG* PTCLDY 73 73 99 CALM 29.92F TC 23
ROBINSON* CLOUDY 73 73 100 S7 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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