639
ASUS43 KLOT 132006
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
ROCHELLE* PTSUNNY 72 70 94 E12G18 29.90F FOG TC 22
DE KALB* DRIZZLE 71 71 100 E10 29.92F TC 22
PERU* CLOUDY 73 73 100 E10 29.87R TC 23
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
KANKAKEE* LGT RAIN 73 72 95 E14 29.89F 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 70/ 2/ 4 1015.0F 1
WAUKEGAN HARBOR 73 74 60/ 6/ 8 1015.5F 1
WILMETTE BUOY 73 40/ 8/ 10 1017.7F 1
CHICAGO BUOY 73 74 1013.9F 1
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 20/ 4/ 4 N/A 0
ST. JOSEPH BUOY 73 73 300/ 4/ 6 1016.8R 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
GALESBURG* CLOUDY 76 73 91 SE13G20 29.87R TC 25
MACOMB* CLOUDY 77 76 96 SE10 29.90S TC 25
JACKSONVILLE* PTSUNNY 85 77 78 E10 29.88F HX 95 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-132100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 73 73 100 E8 29.88F TC 23
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
LACON* PTSUNNY 73 70 91 E12 29.86F TC 23
LINCOLN* PTSUNNY 76 73 89 E7 29.90F TC 25
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
DANVILLE* CLOUDY 79 76 92 E10 29.96S HX 82 TC 26
RANTOUL* LGT RAIN 72 71 98 SE3 29.91F TC 22
MATTOON CLOUDY 88 77 69 NW7 29.91F HX 100 TC 31
PARIS* CLOUDY 83 80 91 CALM 29.94S THUNDER HX 95
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
CAIRO* PTSUNNY 95 81 63 CALM 29.93F HX 115 TC 35
EFFINGHAM* CLOUDY 91 81 72 SW3 29.92F HX 109 TC 33
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
METROPOLIS* MOSUNNY 95 75 52 S7 29.94F HX 106 TC 35
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
FLORA* PTSUNNY 91 77 62 S7 29.92S HX 105 TC 33
FAIRFIELD* PTSUNNY 89 77 67 CALM 29.93S HX 101 TC 32
ROBINSON* PTSUNNY 88 79 74 SW5 29.91F HX 102 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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