740
ASUS43 KLOT 160803
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT SUN AUG 16 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.
ILZ001-002-007-009-015-016-024-160900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 73 72 96 SW3 29.98S TC 23
STERLING* CLOUDY 72 72 100 W6 29.98F TC 22
SAVANNA* CLOUDY 75 74 97 W3 29.98S FOG TC 24
ILZ003-004-008-010-011-017-018-160900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 76 75 97 W5 29.97S TC 24
FREEPORT* CLOUDY 74 73 95 NW3 29.99S TC 24
ILZ005-006-012>014-019>023-160900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 70 90 SW10 29.94F TC 23
CHICAGO-MIDWAY LGT RAIN 72 71 97 SW8 29.95F TC 22
AURORA LGT RAIN 71 71 100 SW5 29.96F TC 22
JOLIET* RAIN 73 73 100 SW3 29.97F TC 23
WAUKEGAN CLOUDY 74 74 100 CALM 29.93F FOG TC 23
DUPAGE AIRPORT LGT RAIN 72 71 97 SW7 29.96F TC 22
WHEELING CLOUDY 76 72 87 W13G21 29.95F TC 24
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 72 69 90 W8 N/A TC 22
LMZ740>746-160900-
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 75 74 120/ 4/ 6 1015.8F 1
WAUKEGAN HARBOR 74 74 140/ 2/ 2 1014.4F 1
WILMETTE BUOY 76 200/ 8/ 10 1016.9F 1
CHICAGO BUOY 75 73 1013.0F 1/ 3
HARRISON CRIB 76 230/ 19/ 21 N/A
NORTHERLY ISL 74 260/ 8/ 16 N/A
CALUMET HARBOR 73 230/ 5/ 7 1014.7F
MICHIGAN CITY 75 220/ 11/ 13 1013.1F
MICH CITY BUOY 74 74 220/ 12/ 17 N/A 1/ 2
ST. JOSEPH BUOY 75 74 190/ 8/ 10 1015.5F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-160900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 77 76 96 N9 30.02S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-160900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 76 32 20 CALM 30.02F TC 24
DECATUR LGT RAIN 79 76 90 W5 30.02S HX 83 TC 26
PEORIA CLOUDY 74 73 97 CALM 30.00F TC 23
LINCOLN* LGT RAIN 79 79 100 CALM 30.01S HX 83 TC 26
SPRINGFIELD MOCLDY 78 77 96 CALM 29.99F HX 81 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-160900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 76 76 100 SW5 30.01F TC 24
MATTOON MOCLDY 79 75 87 S7 30.01F HX 83 TC 26
ILZ079-100>102-160900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOCLDY 79 75 87 CALM 30.00F HX 83 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MT. VERNON PTCLDY 79 74 84 SW5 30.03F HX 82 TC 26
CENTRALIA* MOCLDY 78 75 92 CALM 30.03S HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-160900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 79 75 87 CALM 30.03S HX 83 TC 26
FAIRFIELD* PTCLDY 78 73 85 CALM 30.03F TC 25
HARRISBURG* PTCLDY 77 73 85 CALM 30.04F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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