976
ASUS43 KLOT 151012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT SAT AUG 15 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.
ILZ001-002-007-009-015-016-024-151100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 73 72 96 S6 30.04S TC 23
STERLING* CLOUDY 72 72 100 E3 30.08S FOG TC 22
SAVANNA* CLOUDY 71 68 92 NE6 30.08S TC 22
ILZ003-004-008-010-011-017-018-151100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 66 87 CALM 30.10S TC 21
FREEPORT* CLOUDY 69 68 95 E3 30.11S TC 21
ROCHELLE* CLOUDY 70 68 93 NE3 30.09S TC 21
DE KALB* CLOUDY 69 69 100 E6 30.09F TC 21
PERU* LGT RAIN 73 72 94 SE5 30.07F TC 23
ILZ005-006-012>014-019>023-151100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 69 87 CALM 30.08F TC 23
CHICAGO-MIDWAY CLOUDY 74 71 91 CALM 30.08S TC 23
AURORA MOCLDY 71 69 93 NE3 30.07F TC 22
JOLIET* CLOUDY 74 74 99 SE5 30.08F TC 23
WAUKEGAN CLOUDY 73 69 87 SE6 30.08F TC 23
DUPAGE AIRPORT CLOUDY 71 68 90 NE3 30.07F TC 22
KANKAKEE* CLOUDY 72 70 95 S3 30.10R TC 22
WHEELING CLOUDY 72 69 90 CALM 30.10S TC 22
ROMEOVILLE* CLOUDY 72 72 100 E5 30.08F TC 22
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 72 69 90 CALM N/A TC 22
LMZ740>746-151100-
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 80/ 12/ 16 1018.0 3/ 5
WAUKEGAN HARBOR 75 74 90/ 8/ 12 1019.0 2/ 3
WILMETTE BUOY 74 140/ 2/ 6 1021.7R 2/ 5
CHICAGO BUOY 74 73 1017.7 2/ 5
HARRISON CRIB 74 140/ 3/ 3 N/A
NORTHERLY ISL 73 CALM / 4 N/A
CALUMET HARBOR 73 CALM / 1 1018.8
MICHIGAN CITY 73 130/ 3/ 5 1017.6F
MICH CITY BUOY 73 73 130/ 4/ 8 N/A 2/ 5
ST. JOSEPH BUOY 74 75 140/ 4/ 6 1020.0R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-151100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 75 73 93 W3 30.08R FOG TC 24
GALESBURG* HVY RAIN 72 72 100 S7 30.08F TC 22
MACOMB* RAIN 71 71 100 CALM 30.11R TC 22
JACKSONVILLE* CLOUDY 72 72 100 N12G21 30.10R THUNDER TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-151100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 72 72 100 S5 30.08F TC 22
BLOOMINGTON CLOUDY 72 N/A N/A W12 30.11F FOG TC 22
DECATUR LGT RAIN 74 72 93 E10 30.07R TC 23
PEORIA RAIN 71 71 100 SW10 30.09 FOG TC 22
LACON* RAIN 72 70 93 S3 30.07R TC 22
LINCOLN* TSTM 73 73 100 CALM 30.10R TC 23
SPRINGFIELD FOG 73 72 96 NW15G22 30.12 THUNDER VSB 1
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 71 71 100 N8 30.11R TC 22
MATTOON CLOUDY 75 72 90 SE7 30.06S TC 24
PARIS* MOCLDY 73 72 97 CALM 30.09R TC 23
ILZ079-100>102-151100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 76 74 94 CALM 30.03R TC 25
CAHOKIA* PTCLDY 77 73 87 S5 30.02R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 78 75 92 CALM 30.08R HX 80 TC 26
EFFINGHAM* MOCLDY 74 74 100 E7 30.06F TC 24
MARION CLEAR 78 74 89 S8 30.07R HX 80 TC 25
MT. VERNON PTCLDY 76 75 97 CALM 30.06R TC 24
CENTRALIA* PTCLDY 79 74 86 CALM 30.05S HX 82 TC 26
SALEM* N/A 78 77 96 MISG 30.04F HX 81 TC 26
METROPOLIS* PTCLDY 77 77 98 CALM 30.08S TC 25
ILZ067-068-072-073-078-083-087-091-151100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 74 73 97 CALM 30.07R TC 23
FLORA* PTCLDY 75 N/A N/A CALM 30.06S TC 24
FAIRFIELD* PTCLDY 76 75 95 CALM 30.06S TC 25
HARRISBURG* CLOUDY 75 75 100 CALM 30.07R TC 24
ROBINSON* PTCLDY 73 73 100 SE2 30.07R FOG TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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