624
ASUS43 KLOT 111901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT TUE AUG 11 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.
ILZ001-002-007-009-015-016-024-112000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 81 71 71 E7 29.89S HX 85 TC 27
STERLING* PTSUNNY 75 72 90 VRB5 29.92R TC 24
SAVANNA* PTSUNNY 76 68 76 S9 29.90F TC 25
ILZ003-004-008-010-011-017-018-112000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 78 71 79 S7 29.91R HX 80 TC 26
FREEPORT* PTSUNNY 79 74 86 S8 29.92R HX 82 TC 26
DE KALB* CLOUDY 77 71 82 SE6 29.91R TC 25
ILZ005-006-012>014-019>023-112000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 75 70 84 S7 29.86R TC 24
CHICAGO-MIDWAY CLOUDY 74 71 91 SE6 29.85F TC 23
AURORA NOT AVBL
WAUKEGAN CLOUDY 74 69 85 NE5 29.88R TC 23
DUPAGE AIRPORT CLOUDY 75 70 84 S5 29.87R TC 24
WHEELING CLOUDY 74 71 91 NW12 29.90S TC 23
NORTHERLY ISL* N/A 74 70 87 SE10 N/A TC 23
LMZ740>746-112000-
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 73 330/ 4/ 6 1013.8R 1
WAUKEGAN HARBOR 73 72 360/ 6/ 8 1012.7R 1
WILMETTE BUOY 74 1012.8F 1/ 3
CHICAGO BUOY 74 73 1009.2F 2/ 3
HARRISON CRIB 75 110/ 19/ 20 N/A
NORTHERLY ISL 72 20/ 10/ 14 N/A
CALUMET HARBOR 74 60/ 9/ 12 1011.5F
MICHIGAN CITY 70 320/ 1/ 2 1011.7F
MICH CITY BUOY 72 73 40/ 10/ 17 N/A 2/ 4
ST. JOSEPH BUOY 72 72 20/ 6/ 12 1012.2F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-112000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 89 75 63 SW10 29.89F HX 99 TC 32
GALESBURG* MOSUNNY 82 77 86 SW3 29.90F HX 90 TC 28
MACOMB* PTSUNNY 88 79 76 SW7 29.91F HX 102 TC 31
ILZ028>032-037-038-041>044-048-051>054-059>061-112000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON LGT RAIN 80 78 94 SE10 29.92F HX 88 TC 27
DECATUR PTSUNNY 89 74 60 SW10 29.92F HX 98 TC 32
PEORIA HVY RAIN 82 72 71 W14G22 29.97R HX 87 TC 28
LACON* PTSUNNY 74 68 82 E3 29.94R TC 23
LINCOLN* PTSUNNY 91 75 59 SW3 29.92R HX 102 TC 33
SPRINGFIELD MOSUNNY 88 75 65 SW8 29.91F HX 97 TC 31
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-112000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 87 76 69 S6 29.91F HX 97 TC 31
DANVILLE* CLOUDY 76 68 78 E10 29.97S TC 24
MATTOON PTSUNNY 89 73 59 SW10G18 29.95F HX 97 TC 32
ILZ079-100>102-112000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 93 75 55 SW10 29.95F HX 104 TC 34
CAHOKIA* SUNNY 94 74 52 VRB7 29.94F HX 104 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-112000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 75 55 SW9 29.99S HX 104 TC 34
CAIRO* SUNNY 93 78 62 SW9 30.00F HX 108 TC 34
MT. VERNON MOSUNNY 96 76 52 SW12 29.98F HX 109 TC 36
CENTRALIA* N/A 93 76 57 SW9 29.98F HX 106 TC 34
SALEM* N/A 92 79 66 MISG 29.97F HX 109 TC 33
ILZ067-068-072-073-078-083-087-091-112000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 91 74 57 W14 29.97F HX 100 TC 33
FLORA* PTSUNNY 90 77 66 W9 29.97F HX 102 TC 32
FAIRFIELD* PTSUNNY 92 74 56 S9 29.98F HX 101 TC 33
HARRISBURG* MOSUNNY 94 74 51 SW8 29.99F HX 104 TC 35
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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