520
ASUS43 KLOT 192012
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
ROCHELLE* MOSUNNY 82 63 53 N3 29.94S HX 83 TC 28
DE KALB* MOSUNNY 81 66 60 NW3 29.95F HX 83 TC 27
PERU* PTSUNNY 82 70 65 CALM 29.92S HX 86 TC 28
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
KANKAKEE* PTSUNNY 82 71 71 W3 29.92F HX 86 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/ 10/ 12 1019.1 1/ 2
WAUKEGAN HARBOR 72 74 350/ 10/ 14 1015.1 1/ 3
WILMETTE BUOY 73 70/ 10/ 14 1017.7F 1/ 3
CHICAGO BUOY 73 74 1013.0 1/ 3
NORTHERLY ISL 75 40/ 8/ 9 N/A
CALUMET HARBOR 74 10/ 9/ 11 1014.2
MICH CITY BUOY 72 75 20/ 10/ 14 N/A 1
ST. JOSEPH BUOY 72 76 360/ 8/ 10 1014.9F 1
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
GALESBURG* CLOUDY 82 72 73 CALM 29.93F HX 86 TC 28
MACOMB* CLOUDY 80 75 84 CALM 29.95S HX 85 TC 27
JACKSONVILLE* CLOUDY 79 71 77 W6 29.94R HX 82 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-192100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 82 72 71 CALM 29.92F HX 87 TC 28
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
LACON* CLOUDY 82 67 62 CALM 29.90F HX 84 TC 28
LINCOLN* CLOUDY 84 70 64 CALM 29.92F HX 88 TC 29
SPRINGFIELD PTSUNNY 81 72 74 N5 29.92S 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
RANTOUL* PTSUNNY 82 71 70 CALM 29.93S HX 86 TC 28
MATTOON CLOUDY 80 71 74 S6 29.93R HX 84 TC 27
PARIS* PTSUNNY 80 71 72 CALM 29.94S HX 83 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* PTSUNNY 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
CAIRO* CLOUDY 75 74 98 SE6 29.92F TC 24
EFFINGHAM* PTSUNNY 82 75 80 SW3 29.94F HX 88 TC 28
MT. VERNON LGT RAIN 80 71 74 S7 29.94F HX 84 TC 27
CENTRALIA* PTSUNNY 79 71 76 CALM 29.94S HX 81 TC 26
SALEM* PTSUNNY 81 73 76 MISG 29.93F HX 86 TC 27
METROPOLIS* CLOUDY 74 73 98 SE5 29.94F TC 23
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
FLORA* PTSUNNY 81 72 74 SW6 29.93F HX 84 TC 27
FAIRFIELD* CLOUDY 80 69 68 S7 29.93F HX 82 TC 27
HARRISBURG* PTSUNNY 80 71 75 S7 29.94F HX 83 TC 27
ROBINSON* MOSUNNY 82 73 74 SW7 29.93F HX 88 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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