618
ASUS43 KLOT 132001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT THU AUG 13 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.
ILZ001-002-007-009-015-016-024-132100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 75 72 90 E9 29.85F TC 24
STERLING* CLOUDY 74 74 100 E13 29.88R TC 23
SAVANNA* CLOUDY 77 71 83 E12G18 29.88R TC 25
ILZ003-004-008-010-011-017-018-132100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 72 70 93 E9G17 29.91F FOG TC 22
FREEPORT* CLOUDY 71 70 95 E10 29.93R TC 22
ILZ005-006-012>014-019>023-132100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 75 71 87 E9 29.94F TC 24
CHICAGO-MIDWAY LGT RAIN 76 72 87 SE6 29.93F FOG TC 24
AURORA PTSUNNY 72 71 97 E9 29.90F FOG TC 22
JOLIET* LGT RAIN 74 74 100 E14 29.88F TC 23
WAUKEGAN LGT RAIN 73 72 96 NE6 29.97F FOG TC 23
DUPAGE AIRPORT LGT RAIN 73 72 96 NE10 29.91F FOG TC 23
WHEELING LGT RAIN 73 71 93 MISG 29.97F TC 23
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 72 70 93 E6 N/A TC 22
LMZ740>746-132100-
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 74 120/ 4/ 6 1015.3F 1
WAUKEGAN HARBOR 73 74 110/ 4/ 6 1015.8F 1
WILMETTE BUOY 73 20/ 6/ 6 1018.2F 1
CHICAGO BUOY 73 74 1014.3F 1/ 3
HARRISON CRIB 73 90/ 4/ 5 N/A
NORTHERLY ISL 72 40/ 5 N/A
CALUMET HARBOR 74 100/ 2/ 3 1016.0
MICHIGAN CITY 74 330/ 5/ 6 1015.0R
MICH CITY BUOY 73 73 330/ 6/ 8 N/A 0
ST. JOSEPH BUOY 73 73 320/ 4/ 4 1016.3F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-132100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 84 73 69 E12 29.87F HX 90 TC 29
MACOMB* CLOUDY 77 76 96 SE10 29.90S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-132100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 72 71 97 E7 29.92F TC 22
DECATUR PTSUNNY 78 69 73 NE13G23 29.93F HX 80 TC 26
PEORIA CLOUDY 74 72 93 E9G18 29.88F TC 23
SPRINGFIELD PTSUNNY 81 73 76 NE16 29.90F HX 86 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-132100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 70 69 97 E13G23 29.94 TC 21
MATTOON CLOUDY 88 77 69 NW7 29.91F HX 100 TC 31
ILZ079-100>102-132100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 93 75 55 S8 29.89F HX 104 TC 34
CAHOKIA* PTSUNNY 93 78 61 S9 29.87F HX 108 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-132100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 77 59 S9 29.91F HX 107 TC 34
MT. VERNON PTSUNNY 90 80 72 S10 29.93S HX 107 TC 32
CENTRALIA* PTSUNNY 92 78 65 CALM 29.92S HX 107 TC 33
ILZ067-068-072-073-078-083-087-091-132100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 91 77 63 S12 29.92S HX 104 TC 33
FAIRFIELD* PTSUNNY 89 77 67 CALM 29.93S HX 101 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page