971
ASUS43 KLOT 200110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-200200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 74 65 73 CALM 29.91R TC 23
STERLING* CLOUDY 76 67 73 VRB5 29.93R TC 24
SAVANNA* MOCLDY 75 64 69 N5 29.92R TC 24
ILZ003-004-008-010-011-017-018-200200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 75 65 70 NE6 29.94R TC 24
FREEPORT* MOCLDY 71 69 91 N6 29.95S TC 22
ROCHELLE* MOCLDY 74 65 75 E6 29.93R TC 23
DE KALB* MOCLDY 71 66 85 E7 29.95R TC 22
PERU* CLOUDY 73 72 94 CALM 29.91R TC 23
ILZ005-006-012>014-019>023-200200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 72 63 73 NE12 29.94R TC 22
CHICAGO-MIDWAY MOCLDY 73 64 73 E14 29.93R TC 23
AURORA MOCLDY 71 65 81 NE7 29.93R TC 22
JOLIET* MOCLDY 74 65 71 NE8 29.93R TC 24
WAUKEGAN PTCLDY 68 58 70 NE5 29.94S TC 20
DUPAGE AIRPORT PTCLDY 71 63 75 NE7 29.93R TC 22
KANKAKEE* PTCLDY 72 67 84 NE10 29.92R TC 22
WHEELING PTCLDY 71 61 70 NE6 29.96R TC 22
LANSING* PTCLDY 71 65 80 NE7 29.94R TC 22
NORTHERLY ISL* N/A 72 61 68 NE13 N/A TC 22
LMZ740>746-200200-
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/ 8/ 12 1012.0 2/ 3
WAUKEGAN HARBOR 73 74 10/ 12/ 16 1014.8 2/ 3
WILMETTE BUOY 74 100/ 14/ 17 1016.8S 2/ 3
CHICAGO BUOY 74 74 1012.7 2/ 3
NORTHERLY ISL 71 20/ 7/ 11 N/A
CALUMET HARBOR 73 20/ 8/ 12 1013.8R
MICH CITY BUOY 74 74 40/ 14/ 17 N/A 3/ 4
ST. JOSEPH BUOY 74 76 30/ 14/ 17 1014.5R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-200200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 70 64 81 E5 29.91F TC 21
GALESBURG* MOCLDY 70 70 100 NE6 29.92R TC 21
MACOMB* CLOUDY 66 66 100 CALM 29.86F TC 19
JACKSONVILLE* CLOUDY 75 75 99 CALM 29.90R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-200200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 76 74 96 N5 29.91R TC 24
BLOOMINGTON LGT RAIN 75 75 100 CALM 29.92R TC 24
DECATUR MOCLDY 75 73 93 SW7 29.90R TC 24
PEORIA LGT RAIN 73 70 90 NE8 29.92R TC 23
LACON* RAIN 69 66 91 CALM 29.93R TC 21
LINCOLN* CLOUDY 80 73 80 CALM 29.90R HX 83 TC 26
SPRINGFIELD CLOUDY 77 74 90 SW5 29.90R TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-200200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 73 68 84 N6 29.90S TC 23
RANTOUL* MOCLDY 73 70 92 S3 29.91R TC 23
MATTOON MOCLDY 75 72 90 CALM 29.89S TC 24
PARIS* CLOUDY 74 73 97 SW5 29.91R TC 24
ILZ079-100>102-200200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 77 73 88 SE5 29.90F TC 25
BELLEVILLE MOCLDY 78 77 97 CALM 29.89R HX 80 TC 25
CAHOKIA* MOCLDY 77 74 90 E6 29.88F TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 77 72 83 SW3 29.91S TC 25
CAIRO* PTCLDY 77 76 96 CALM 29.91F TC 25
EFFINGHAM* RAIN 76 76 100 W3 29.91R TC 25
MARION MOCLDY 76 75 96 CALM 29.92S TC 25
MT. VERNON MOCLDY 76 72 87 CALM 29.91S TC 24
CENTRALIA* MOCLDY 75 73 93 CALM 29.92R TC 24
SALEM* MOCLDY 76 74 91 MISG 29.91R TC 25
METROPOLIS* PTCLDY 75 74 98 CALM 29.92F TC 24
ILZ067-068-072-073-078-083-087-091-200200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 77 71 82 S5 29.90R TC 25
FLORA* MOCLDY 75 75 100 S5 29.90S TC 24
FAIRFIELD* MOCLDY 74 71 89 CALM 29.90S TC 24
HARRISBURG* MOCLDY 78 73 86 CALM 29.91S HX 80 TC 26
ROBINSON* MOCLDY 75 73 94 S5 29.88S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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