221
ASUS43 KLOT 191906
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-192000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 82 67 60 N5 29.91F HX 84 TC 28
STERLING* MOSUNNY 84 69 60 NE7 29.94F HX 88 TC 29
SAVANNA* MOSUNNY 83 65 55 CALM 29.94F HX 85 TC 28
ILZ003-004-008-010-011-017-018-192000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 82 64 54 SW8 29.95F HX 83 TC 28
FREEPORT* PTSUNNY 81 68 63 CALM 29.97S HX 84 TC 27
ROCHELLE* MOSUNNY 82 64 54 CALM 29.95S HX 83 TC 28
DE KALB* PTSUNNY 81 67 62 CALM 29.96S HX 83 TC 27
PERU* PTSUNNY 81 70 69 CALM 29.93S HX 84 TC 27
ILZ005-006-012>014-019>023-192000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 79 66 64 NE8 29.93F HX 81 TC 26
CHICAGO-MIDWAY PTSUNNY 80 67 64 E7 29.93F HX 82 TC 27
AURORA MOSUNNY 82 65 56 S5 29.93F HX 84 TC 28
JOLIET* MOSUNNY 83 67 58 S5 29.93F HX 86 TC 29
WAUKEGAN MOSUNNY 75 66 73 NE7 29.95F TC 24
DUPAGE AIRPORT SUNNY 81 64 56 CALM 29.93F HX 82 TC 27
KANKAKEE* PTSUNNY 80 71 73 W5 29.94F HX 83 TC 27
WHEELING MOSUNNY 78 66 66 VRB7 29.97S HX 80 TC 26
ROMEOVILLE* MOSUNNY 82 68 61 CALM 29.93F HX 85 TC 28
LANSING* MOSUNNY 80 67 64 NE7 29.94F HX 82 TC 27
NORTHERLY ISL* N/A 76 66 71 N8 N/A TC 24
LMZ740>746-192000-
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 10/ 10/ 14 1019.5 1/ 2
WAUKEGAN HARBOR 72 74 10/ 8/ 12 1015.4 1/ 3
WILMETTE BUOY 72 70/ 8/ 12 1018.1F 1/ 3
CHICAGO BUOY 73 74 1013.2 1/ 3
NORTHERLY ISL 76 40/ 4/ 8 N/A
CALUMET HARBOR 74 30/ 8/ 11 1014.2
MICH CITY BUOY 72 75 20/ 10/ 12 N/A 1/ 4
ST. JOSEPH BUOY 72 76 360/ 8/ 10 1015.0F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-192000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 77 70 79 S5 29.93F TC 25
GALESBURG* CLOUDY 81 73 76 S5 29.94F HX 85 TC 27
MACOMB* CLOUDY 80 75 84 CALM 29.95F HX 85 TC 27
JACKSONVILLE* CLOUDY 79 71 74 CALM 29.93S HX 82 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-192000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 82 74 75 CALM 29.93F HX 88 TC 28
BLOOMINGTON LGT RAIN 78 74 87 CALM 29.95S HX 81 TC 26
DECATUR PTSUNNY 81 71 71 SW5 29.93F HX 85 TC 27
PEORIA CLOUDY 82 72 71 CALM 29.92F HX 87 TC 28
LACON* PTSUNNY 81 68 65 CALM 29.92F HX 84 TC 27
LINCOLN* PTSUNNY 83 71 66 CALM 29.93S HX 87 TC 28
SPRINGFIELD CLOUDY 81 71 71 CALM 29.92F HX 85 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-192000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 81 72 74 SW6 29.94S HX 85 TC 27
RANTOUL* PTSUNNY 82 70 68 S3 29.93F HX 85 TC 28
MATTOON MOSUNNY 80 70 71 CALM 29.92F HX 83 TC 27
PARIS* CLOUDY 80 71 74 SW5 29.95S HX 83 TC 27
ILZ079-100>102-192000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 72 78 S9 29.93F HX 82 TC 26
BELLEVILLE MOSUNNY 78 76 91 W8 29.91F HX 82 TC 26
CAHOKIA* MOSUNNY 77 71 82 VRB3 29.92F TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-192000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 79 70 73 SW8 29.94S HX 81 TC 26
CAIRO* CLOUDY 74 73 96 CALM 29.95F TC 23
EFFINGHAM* PTSUNNY 80 74 82 S9 29.96S HX 84 TC 27
MT. VERNON PTSUNNY 82 69 64 SW10 29.95S HX 85 TC 28
CENTRALIA* PTSUNNY 82 70 68 CALM 29.94F HX 85 TC 28
SALEM* N/A 83 73 73 MISG 29.94S HX 88 TC 28
METROPOLIS* LGT RAIN 73 72 98 S5 29.98F TC 23
ILZ067-068-072-073-078-083-087-091-192000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 83 70 64 SW12 29.95F HX 87 TC 28
FLORA* PTSUNNY 82 72 69 SW12 29.94S HX 87 TC 28
FAIRFIELD* PTSUNNY 81 69 67 S12 29.95S HX 84 TC 27
HARRISBURG* PTSUNNY 76 70 81 S6 29.96F TC 25
ROBINSON* MOSUNNY 82 73 74 S7 29.94S 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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