779
ASUS43 KLOT 171010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT SUN AUG 17 2025
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.
ILZ001-002-007-009-015-016-024-171100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 78 76 93 NE3 30.01R HX 81 TC 26
STERLING* PTCLDY 71 71 100 CALM 30.02R TC 22
ILZ003-004-008-010-011-017-018-171100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 72 71 97 N6 30.07R TC 22
ROCHELLE* CLOUDY 72 70 94 SE8 30.05R TC 22
DE KALB* CLOUDY 72 72 100 CALM 30.07R TC 22
PERU* MOCLDY 75 73 91 S5 30.03R TC 24
ILZ005-006-012>014-019>023-171100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 71 69 93 SW8 30.02R TC 22
CHICAGO-MIDWAY TSTM 71 68 90 SW10 30.04R TC 22
AURORA TSTM 73 71 93 CALM 30.04R FOG TC 23
JOLIET* HVY RAIN 72 72 99 CALM 30.08R VSB 1 TC 22
WAUKEGAN MOCLDY 74 71 91 NE3 30.03R TC 23
DUPAGE AIRPORT LGT RAIN 72 70 93 SE5 30.04R TC 22
KANKAKEE* TSTM 68 66 94 S8 30.09R TC 20
WHEELING MOCLDY 72 70 93 MISG 30.05R TC 22
MORRIS* TSTM 72 72 100 N10G32 30.07R VSB 3/4 TC 22
ROMEOVILLE* TSTM 72 72 100 S15G21 30.05R FOG TC 22
LANSING* TSTM 68 68 100 W10 30.07R TC 20
NORTHERLY ISL* N/A 70 67 90 SW10 N/A TC 21
LMZ740>746-171100-
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)
S. MID LAKE BUOY 75 76 360/ 6/ 6 1016.8S
WINTHROP HARBOR 75 72 50/ 4/ 6 N/A 1/ 3
WAUKEGAN HARBOR 76 75 110/ 6/ 8 N/A 1/ 4
WILMETTE BUOY 74 210/ 8/ 12 1019.0R 2/ 4
NORTHERLY ISL 69 200/ 6/ 12 N/A
CALUMET HARBOR 68 210/ 8/ 11 1016.2
BURNS HARBOR 72 180/ 5/ 8 1016.9F
MICHIGAN CITY 71 160/ 6/ 7 1014.4F
MICH CITY BUOY 73 77 180/ 10/ 14 1014.6F 2/ 3
ST. JOSEPH BUOY 75 77 220/ 12/ 16 1017.4F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-171100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 76 72 87 S5 30.00R TC 24
GALESBURG* CLEAR 74 74 100 CALM 30.03R TC 23
MACOMB* CLEAR 74 74 99 N3 30.03S TC 24
JACKSONVILLE* CLEAR 76 71 82 S3 29.99F TC 25
PITTSFIELD* CLEAR 76 75 98 S5 30.01S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-171100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 71 70 97 SE9 30.04S TC 22
BLOOMINGTON PTCLDY 72 71 97 S9 30.04R TC 22
DECATUR PTCLDY 77 70 79 SW6 30.02F TC 25
PEORIA PTCLDY 75 70 84 S5 30.02S TC 24
LACON* MOCLDY 75 70 85 S3 30.01R TC 24
LINCOLN* PTCLDY 74 72 94 S3 30.02S TC 23
SPRINGFIELD PTCLDY 75 72 90 SE7 30.01S TC 24
TAYLORVILLE PTCLDY 73 72 94 S5 30.03S TC 23
ILZ033-039-045-046-055>057-062-063-171100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 71 68 90 NE8 30.05R TC 22
DANVILLE* MOCLDY 71 69 94 CALM 30.06S TC 22
RANTOUL* PTCLDY 70 68 94 E5 30.06S TC 21
MATTOON PTCLDY 74 69 85 S6 30.01F TC 23
PARIS* MOCLDY 68 67 98 NE7 30.05R TC 20
ILZ079-100>102-171100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 75 72 91 SW3 30.01S TC 24
CAHOKIA* CLEAR 74 72 93 CALM 30.00F TC 23
SPARTA* CLEAR 77 74 89 CALM 30.04R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 71 70 96 CALM 30.02S TC 22
CAIRO* CLEAR 74 74 100 CALM 30.03R TC 23
EFFINGHAM* PTCLDY 73 73 99 CALM 30.04S TC 23
MARION CLEAR 75 72 90 S5 30.03S TC 24
MT. VERNON CLEAR 72 72 100 CALM 30.02S FOG TC 22
CENTRALIA* CLEAR 75 72 89 CALM 30.02S TC 24
SALEM* PTCLDY 77 72 83 E3 30.03R TC 25
METROPOLIS* CLEAR 73 72 97 CALM 30.02F TC 23
ILZ067-068-072-073-078-083-087-091-171100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 77 74 90 NW3 30.01R TC 25
FLORA* PTCLDY 75 N/A N/A CALM 30.02S TC 24
FAIRFIELD* PTCLDY 74 72 91 CALM 30.01F TC 24
HARRISBURG* PTCLDY 71 70 96 CALM 30.01F TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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