940
ASUS43 KLOT 190810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-190900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 70 68 93 SW3 29.92F TC 21
STERLING* MOCLDY 67 67 100 CALM 29.93F TC 19
SAVANNA* CLOUDY 66 65 97 CALM 29.94S FOG TC 19
ILZ003-004-008-010-011-017-018-190900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 63 63 100 CALM 29.95R TC 17
FREEPORT* MOCLDY 63 61 95 CALM 29.96S TC 17
ROCHELLE* MOCLDY 63 62 95 CALM 29.94F TC 17
DE KALB* PTCLDY 64 64 100 CALM 29.95S TC 18
PERU* MOCLDY 70 70 100 CALM 29.93F TC 21
ILZ005-006-012>014-019>023-190900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 66 65 96 NW3 29.93R TC 19
CHICAGO-MIDWAY MOCLDY 68 66 93 CALM 29.93R TC 20
AURORA MOCLDY 64 64 100 CALM 29.93S TC 18
JOLIET* FOG 68 68 100 CALM 29.94S VSB 1/2 TC 20
WAUKEGAN PTCLDY 64 63 96 W3 29.92S TC 18
DUPAGE AIRPORT PTCLDY 64 64 100 CALM 29.93S TC 18
KANKAKEE* MOCLDY 68 66 94 CALM 29.95S TC 20
WHEELING PTCLDY 66 65 96 CALM 29.94R TC 19
ROMEOVILLE* MOCLDY 68 68 100 CALM 29.94S TC 20
LANSING* FOG 66 66 100 CALM 29.94R VSB 1/4 TC 19
NORTHERLY ISL* N/A 70 64 81 W2 N/A TC 21
LMZ740>746-190900-
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 72 N/A 0
WAUKEGAN HARBOR 67 74 N/A 0
WILMETTE BUOY 71 310/ 6/ 10 1016.1R 1
CHICAGO BUOY 73 73 1012.6 1
NORTHERLY ISL 69 260/ 5/ 8 N/A
CALUMET HARBOR 68 CALM / 1 1013.4
MICH CITY BUOY 71 74 240/ 8/ 10 N/A 1/ 4
ST. JOSEPH BUOY 69 74 200/ 8/ 10 1014.1F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 69 90 CALM 29.94F TC 22
GALESBURG* CLOUDY 69 69 100 CALM 29.95S TC 21
MACOMB* MOCLDY 68 68 100 CALM 29.95F TC 20
JACKSONVILLE* CLOUDY 71 71 100 CALM 29.95R THUNDER TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-190900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 70 70 100 CALM 29.94F TC 21
DECATUR MOCLDY 69 67 93 CALM 29.95F TC 21
PEORIA CLOUDY 71 69 93 S5 29.94F TC 22
LACON* CLOUDY 73 67 84 CALM 29.93F TC 23
LINCOLN* CLOUDY 70 70 100 CALM 29.94F TC 21
SPRINGFIELD CLOUDY 71 69 93 CALM 29.93F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 68 67 96 CALM 29.96F TC 20
RANTOUL* MOCLDY 69 68 98 SW3 29.96F TC 20
MATTOON PTCLDY 71 67 87 S3 29.96F TC 22
PARIS* PTCLDY 67 66 98 NW3 29.97S TC 19
ILZ079-100>102-190900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 73 71 91 SE6 29.94F TC 23
BELLEVILLE CLEAR 74 73 97 CALM 29.94R TC 23
CAHOKIA* MOCLDY 74 71 91 E3 29.94S TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 71 70 98 CALM 29.96S TC 22
EFFINGHAM* CLOUDY 69 68 99 CALM 29.97F TC 20
MARION CLEAR 72 67 83 CALM 29.97S TC 22
MT. VERNON CLOUDY 71 69 93 CALM 29.95F TC 22
CENTRALIA* CLOUDY 73 69 88 CALM 29.95F TC 23
SALEM* N/A 73 70 89 MISG 29.95F TC 23
METROPOLIS* CLEAR 67 66 97 CALM 29.96F TC 20
ILZ067-068-072-073-078-083-087-091-190900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 68 66 93 SE3 29.96F TC 20
FLORA* PTCLDY 68 N/A N/A CALM 29.95F TC 20
FAIRFIELD* PTCLDY 68 66 94 CALM 29.96S TC 20
HARRISBURG* PTCLDY 67 67 99 CALM 29.96S TC 20
ROBINSON* PTCLDY 64 64 100 E2 29.96S TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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