225
ASUS43 KLOT 180406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM 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.
ILZ001-002-007-009-015-016-024-180500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 79 70 74 NW20G33 30.04R HX 82 TC 26
ILZ003-004-008-010-011-017-018-180500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 66 84 VRB6 30.09R TC 22
ROCHELLE* CLOUDY 71 65 80 E6 30.09R TC 22
DE KALB* MOCLDY 69 66 90 E7 30.09S TC 21
PERU* PTCLDY 74 72 95 E7 30.05F TC 23
ILZ005-006-012>014-019>023-180500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 73 67 81 NE7 30.07S TC 23
CHICAGO-MIDWAY PTCLDY 75 67 76 NE7 30.07S TC 24
AURORA MOCLDY 72 66 81 NE6 30.08R TC 22
JOLIET* MOCLDY 74 69 85 CALM 30.07R TC 23
WAUKEGAN PTCLDY 72 66 81 N5 30.08S TC 22
DUPAGE AIRPORT PTCLDY 72 66 81 NE8 30.07S TC 22
KANKAKEE* PTCLDY 72 70 94 E8 30.08R TC 22
WHEELING PTCLDY 72 68 87 MISG 30.09S TC 22
MORRIS* MOCLDY 72 70 93 CALM 30.06R TC 22
ROMEOVILLE* MOCLDY 72 70 94 NE8 30.07S TC 22
LANSING* PTCLDY 73 69 88 NE6 30.08S TC 23
LMZ740>746-180500-
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 50/ 10/ 12 1018.2F
WINTHROP HARBOR 74 75 320/ 12/ 14 N/A 3/ 6
WAUKEGAN HARBOR 74 76 330/ 12/ 14 N/A 2/ 5
WILMETTE BUOY 74 40/ 12/ 16 1020.6F 3/ 6
NORTHERLY ISL 73 360/ 7/ 10 N/A
CALUMET HARBOR 74 20/ 4/ 9 1017.3F
BURNS HARBOR 76 50/ 7/ 8 1018.6F
MICHIGAN CITY 76 40/ 10/ 11 1016.4F
MICH CITY BUOY 76 78 40/ 8/ 10 1016.8S 3/ 5
ST. JOSEPH BUOY 76 78 10/ 10/ 14 1018.9F 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-180500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 75 70 84 SE6 30.01R TC 24
GALESBURG* PTCLDY 79 78 96 CALM 30.04R HX 83 TC 26
MACOMB* PTCLDY 75 74 98 CALM 30.04S TC 24
PITTSFIELD* PTCLDY 76 75 98 CALM 30.03R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-180500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC TSTM 72 70 95 E10 30.05F TC 22
BLOOMINGTON PTCLDY 77 77 100 NE7 30.07R TC 25
DECATUR CLEAR 78 75 90 E5 30.04S HX 81 TC 26
PEORIA CLEAR 81 77 88 E6 30.03R HX 88 TC 27
LACON* PTCLDY 74 68 81 CALM 30.03S TC 24
LINCOLN* PTCLDY 79 79 100 CALM 30.03R HX 83 TC 26
SPRINGFIELD CLEAR 80 77 90 SE7 30.01S HX 87 TC 27
TAYLORVILLE PTCLDY 79 75 89 SE6 30.03R HX 82 TC 26
ILZ033-039-045-046-055>057-062-063-180500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 76 72 87 E3 30.04F TC 24
DANVILLE* PTCLDY 76 74 94 E3 30.06R TC 25
RANTOUL* CLEAR 76 73 88 CALM 30.06R TC 25
MATTOON CLEAR 77 76 96 SE3 30.04R TC 25
PARIS* MOCLDY 74 74 98 CALM 30.05S TC 24
ILZ079-100>102-180500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 80 77 91 SW3 30.01S HX 85 TC 27
CAHOKIA* CLEAR 81 76 84 S5 29.99S HX 87 TC 27
SPARTA* CLEAR 82 76 82 SE3 30.02S HX 89 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 77 75 93 E3 30.01R TC 25
CAIRO* PTCLDY 79 77 92 CALM 30.01R HX 84 TC 26
EFFINGHAM* PTCLDY 78 76 96 SE3 30.05S TC 25
MARION PTCLDY N/A N/A N/A CALM 30.03R
MT. VERNON CLEAR 76 74 93 CALM 30.03R TC 24
CENTRALIA* CLEAR 78 76 93 E3 30.02F HX 80 TC 26
SALEM* PTCLDY 82 75 81 SE3 30.03S HX 88 TC 28
METROPOLIS* PTCLDY 81 73 77 CALM 30.01S HX 85 TC 27
ILZ067-068-072-073-078-083-087-091-180500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 74 93 CALM 30.04R TC 24
FLORA* PTCLDY 79 75 89 CALM 30.04R HX 82 TC 26
FAIRFIELD* PTCLDY 76 73 91 CALM 30.03R TC 24
HARRISBURG* PTCLDY 78 73 83 CALM 30.02S HX 80 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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