120
ASUS43 KLOT 192001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-192100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 83 68 60 N5 29.91S HX 86 TC 28
STERLING* MOSUNNY 85 67 54 N6 29.93F HX 87 TC 29
SAVANNA* MOSUNNY 83 64 52 NE6 29.93F HX 85 TC 29
ILZ003-004-008-010-011-017-018-192100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 81 66 60 NE6 29.95S HX 83 TC 27
FREEPORT* MOSUNNY 80 67 63 NE3 29.96F HX 83 TC 27
ILZ005-006-012>014-019>023-192100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 79 65 62 NE14G20 29.93S HX 81 TC 26
CHICAGO-MIDWAY PTSUNNY 79 66 64 NE10 29.92F HX 81 TC 26
AURORA MOSUNNY 82 66 58 CALM 29.92F HX 84 TC 28
JOLIET* PTSUNNY 83 67 59 CALM 29.92F HX 85 TC 28
WAUKEGAN MOSUNNY 74 65 73 NE8G21 29.95S TC 23
DUPAGE AIRPORT MOSUNNY 82 66 58 VRB3 29.92F HX 84 TC 28
WHEELING MOSUNNY 77 66 68 NE9 29.96F TC 25
LANSING* MOSUNNY 79 67 68 NE10 29.94S HX 81 TC 26
NORTHERLY ISL* N/A 76 67 73 N9 N/A TC 24
LMZ740>746-192100-
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 72 74 20/ 8/ 12 1019.3F 1/ 2
WAUKEGAN HARBOR 72 74 10/ 10/ 12 1015.3S 1/ 3
WILMETTE BUOY 73 70/ 10/ 14 1017.7F 1/ 2
CHICAGO BUOY 73 74 1013.0F 1/ 3
NORTHERLY ISL 75 40/ 8/ 9 N/A
CALUMET HARBOR 74 10/ 9/ 11 1014.2
MICH CITY BUOY 72 75 20/ 12/ 14 N/A 1/ 3
ST. JOSEPH BUOY 72 77 360/ 8/ 10 1015.0S 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-192100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 77 71 82 S3 29.92F TC 25
MACOMB* CLOUDY 80 75 84 CALM 29.95S HX 85 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-192100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON LGT RAIN 77 74 90 S6 29.94F TC 25
DECATUR PTSUNNY 81 71 71 SW9 29.92F HX 85 TC 27
PEORIA CLOUDY 83 69 62 CALM 29.91F HX 86 TC 28
SPRINGFIELD CLOUDY 81 72 74 CALM 29.91F HX 85 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-192100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 81 73 76 S7 29.93F HX 86 TC 27
MATTOON MOSUNNY 80 71 74 S6 29.93R HX 84 TC 27
ILZ079-100>102-192100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 72 74 W8 29.93S HX 84 TC 27
BELLEVILLE PTSUNNY 79 75 87 W6 29.91S HX 83 TC 26
CAHOKIA* MOSUNNY 78 71 79 VRB3 29.92S HX 80 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-192100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON LGT RAIN 80 71 74 S7 29.94F HX 84 TC 27
CENTRALIA* MOSUNNY 79 71 76 CALM 29.94S HX 81 TC 26
SALEM* MOSUNNY 81 73 76 MISG 29.93F HX 86 TC 27
ILZ067-068-072-073-078-083-087-091-192100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 83 70 64 SW12 29.94F HX 87 TC 28
FAIRFIELD* PTSUNNY 80 69 68 S7 29.93F HX 82 TC 27
HARRISBURG* PTSUNNY 80 71 75 S7 29.94F HX 83 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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