808
ASUS43 KLOT 170307
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT SAT AUG 16 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.
ILZ001-002-007-009-015-016-024-170400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 82 78 88 E5 30.00F HX 91 TC 28
STERLING* MOCLDY 75 73 93 SW3 30.02F TC 24
ILZ003-004-008-010-011-017-018-170400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 70 96 CALM 30.02F TC 22
ROCHELLE* MOCLDY 71 69 94 S3 30.02S TC 22
DE KALB* MOCLDY 70 70 100 S3 30.03F TC 21
PERU* CLOUDY 76 69 80 SE6 30.03F TC 24
ILZ005-006-012>014-019>023-170400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 74 71 91 VRB3 29.99F TC 23
CHICAGO-MIDWAY CLOUDY 78 70 76 SW7 29.98F HX 80 TC 26
AURORA CLOUDY 73 71 93 SW5 30.01 TC 23
JOLIET* CLOUDY 74 73 98 CALM 30.01F TC 23
WAUKEGAN MOCLDY 75 70 84 VRB6G20 30.01R THUNDER TC 24
DUPAGE AIRPORT CLOUDY 74 71 91 W3 30.01F TC 23
WHEELING CLOUDY 74 71 91 MISG 30.00F TC 23
MORRIS* CLOUDY 74 73 98 CALM 30.01R TC 23
ROMEOVILLE* CLOUDY 73 73 100 S8 30.02S TC 23
LANSING* CLOUDY 75 71 87 S7 29.98F TC 24
NORTHERLY ISL* N/A 77 67 71 W7 N/A TC 25
LMZ740>746-170400-
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 77 76 200/ 4/ 6 1015.6F 1/ 4
WINTHROP HARBOR 75 75 N/A 2/ 4
WAUKEGAN HARBOR 76 76 340/ 6/ 16 N/A 2/ 4
WILMETTE BUOY 74 280/ 8/ 12 1017.9F 2/ 4
NORTHERLY ISL 76 250/ 5/ 18 N/A
CALUMET HARBOR 76 190/ 5/ 7 1014.4
BURNS HARBOR 77 170/ 4/ 7 1014.9F
MICHIGAN CITY 77 150/ 10/ 12 1012.4F
MICH CITY BUOY 77 77 160/ 14/ 17 1012.5F 3/ 2
ST. JOSEPH BUOY 77 77 30/ 12/ 16 1015.6F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-170400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 84 77 79 S8 30.03R HX 94 TC 29
GALESBURG* PTCLDY 81 77 88 SE5 30.04S HX 88 TC 27
MACOMB* PTCLDY 79 77 95 S3 30.05S HX 82 TC 26
JACKSONVILLE* CLEAR 80 73 79 S5 30.03F HX 85 TC 27
PITTSFIELD* PTCLDY 81 81 98 CALM 30.05R HX 93 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-170400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC TSTM 73 72 95 SE12G21 30.04F TC 23
BLOOMINGTON MOCLDY 82 76 81 SW8 30.05F HX 89 TC 28
DECATUR CLOUDY 81 75 82 E10 30.06R HX 87 TC 27
PEORIA MOCLDY 86 78 77 SW3 30.02F HX 98 TC 30
LACON* MOCLDY 77 67 71 E9 30.01F TC 25
LINCOLN* CLOUDY 80 73 78 CALM 30.05R HX 84 TC 27
SPRINGFIELD MOCLDY 79 76 90 CALM 30.03F HX 83 TC 26
TAYLORVILLE PTCLDY 79 75 89 CALM 30.05S HX 82 TC 26
ILZ033-039-045-046-055>057-062-063-170400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 77 70 79 CALM 30.07R TC 25
DANVILLE* MOCLDY 74 68 81 E5 30.07F TC 24
RANTOUL* MOCLDY 77 68 74 NE14 30.09R TC 25
MATTOON MOCLDY 79 75 87 SE3 30.05F HX 83 TC 26
PARIS* MOCLDY 73 72 98 CALM 30.06F TC 23
ILZ079-100>102-170400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 75 100 CALM 30.04S TC 24
CAHOKIA* CLEAR 79 76 90 SW3 30.03S HX 83 TC 26
SPARTA* CLEAR 86 71 59 S5 30.06S HX 91 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 78 75 90 CALM 30.05S HX 81 TC 26
CAIRO* CLEAR 79 78 96 CALM 30.06R HX 85 TC 26
EFFINGHAM* PTCLDY 80 78 92 SE5 30.06F HX 87 TC 27
MARION CLEAR 80 72 78 CALM 30.07S HX 83 TC 27
MT. VERNON CLEAR 78 76 93 CALM 30.06R HX 81 TC 26
CENTRALIA* CLEAR 76 73 91 CALM 30.05R TC 25
SALEM* CLEAR 80 76 87 SE3 30.06R HX 87 TC 27
METROPOLIS* CLEAR 80 75 85 CALM 30.07R HX 84 TC 26
ILZ067-068-072-073-078-083-087-091-170400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 79 77 94 CALM 30.04F HX 83 TC 26
FLORA* CLEAR 79 N/A N/A S5 30.05F TC 26
FAIRFIELD* CLEAR 78 75 92 CALM 30.06S TC 25
HARRISBURG* CLEAR 79 74 85 CALM 30.07R HX 82 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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