732
ASUS43 KLOT 151110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-151200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 73 72 96 SW7 30.03F TC 23
STERLING* CLOUDY 71 71 100 E6 30.07F FOG TC 22
SAVANNA* CLOUDY 71 68 92 E3 30.07S TC 22
ILZ003-004-008-010-011-017-018-151200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 67 90 E5 30.09S TC 21
FREEPORT* CLOUDY 69 67 95 N3 30.10S TC 20
ROCHELLE* DRIZZLE 70 68 94 CALM 30.09F TC 21
DE KALB* CLOUDY 70 70 100 E3 30.10S TC 21
PERU* LGT RAIN 73 73 100 CALM 30.07F TC 23
ILZ005-006-012>014-019>023-151200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 74 69 85 CALM 30.09R TC 23
CHICAGO-MIDWAY CLOUDY 74 71 91 SE5 30.09R TC 23
AURORA CLOUDY 71 69 93 NE5 30.09R TC 22
JOLIET* CLOUDY 74 74 99 S5 30.09R TC 23
WAUKEGAN CLOUDY 72 71 97 SE3 30.09R TC 22
DUPAGE AIRPORT CLOUDY 71 69 93 CALM 30.09R TC 22
KANKAKEE* LGT RAIN 72 70 94 S6 30.11F TC 22
WHEELING CLOUDY 72 70 93 CALM 30.10S TC 22
ROMEOVILLE* CLOUDY 73 73 100 SE6 30.10R TC 23
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 72 70 93 E2 N/A TC 22
LMZ740>746-151200-
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 74 74 90/ 8/ 12 1018.2 3/ 5
WAUKEGAN HARBOR 74 74 100/ 6/ 10 1018.9 2/ 5
WILMETTE BUOY 74 120/ 4/ 6 1022.0R 2/ 5
CHICAGO BUOY 74 73 1018.1 2/ 5
HARRISON CRIB 74 140/ 3/ 4 N/A
NORTHERLY ISL 72 110/ 1/ 4 N/A
CALUMET HARBOR 74 100/ 2/ 3 1019.0
MICHIGAN CITY 73 140/ 5/ 6 1017.7R
MICH CITY BUOY 73 73 140/ 6/ 8 N/A 2/ 5
ST. JOSEPH BUOY 74 75 150/ 6/ 8 1020.4R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-151200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 74 73 97 CALM 30.06F TC 23
GALESBURG* HVY RAIN 71 71 100 SW6 30.08F TC 22
MACOMB* RAIN 71 71 100 CALM 30.11F TC 22
JACKSONVILLE* CLOUDY 72 72 100 E3 30.15R THUNDER TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-151200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 72 72 100 S5 30.09F TC 22
BLOOMINGTON TSTM 72 N/A N/A SW3 30.12R FOG TC 22
DECATUR TSTM 72 70 93 VRB5 30.13R FOG TC 22
PEORIA HVY RAIN 71 71 100 SW8 30.10R FOG TC 22
LACON* RAIN 72 70 94 SW6 30.07R TC 22
LINCOLN* TSTM 73 73 100 CALM 30.12R TC 23
SPRINGFIELD CLOUDY 72 71 97 NW6 30.11F THUNDER TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 71 71 100 NE6 30.11R TC 22
MATTOON MOCLDY 75 73 93 MISG 30.07R TC 24
PARIS* CLOUDY 73 71 93 NE8 30.12R TC 23
ILZ079-100>102-151200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 78 75 89 N3 30.08R HX 81 TC 26
BELLEVILLE MOCLDY 76 76 97 S5 30.02R TC 25
CAHOKIA* MOCLDY 79 72 79 CALM 30.03R HX 82 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 77 75 91 CALM 30.09R TC 25
EFFINGHAM* MOCLDY 75 75 100 E3 30.08R TC 24
MARION CLEAR 76 74 91 S5 30.08R TC 25
MT. VERNON PTCLDY 78 74 87 CALM 30.07R HX 81 TC 26
CENTRALIA* MOCLDY 78 74 87 CALM 30.06R HX 80 TC 26
SALEM* N/A 79 76 90 MISG 30.06R HX 82 TC 26
METROPOLIS* CLEAR 75 74 98 CALM 30.09R TC 24
ILZ067-068-072-073-078-083-087-091-151200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 74 73 97 SE5 30.08R TC 23
FLORA* MOCLDY 75 N/A N/A CALM 30.07R TC 24
FAIRFIELD* PTCLDY 77 74 92 CALM 30.06S TC 25
HARRISBURG* PTCLDY 75 75 100 CALM 30.09R TC 24
ROBINSON* MOCLDY 72 72 100 E3 30.07S FOG TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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