089
ASUS43 KLOT 151101
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 S6 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
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 74 100/ 10/ 14 1018.1R 3/ 5
WAUKEGAN HARBOR 74 74 100/ 6/ 10 1018.9S 2/ 5
WILMETTE BUOY 74 130/ 2/ 4 1021.9R 2/ 5
CHICAGO BUOY 74 73 1018.0R 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/ 10 N/A 2/ 5
ST. JOSEPH BUOY 74 75 160/ 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 CLOUDY 71 32 23 S5 30.13R THUNDER FOG
DECATUR LGT RAIN 72 70 93 N7 30.13R 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 CLOUDY 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
CAHOKIA* CLOUDY 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
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
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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