213
ASUS43 KLOT 181010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT MON AUG 18 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.
ILZ001-002-007-009-015-016-024-181100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 72 70 93 E8 29.99F TC 22
ILZ003-004-008-010-011-017-018-181100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 68 96 CALM 30.06R TC 21
ROCHELLE* PTCLDY 68 66 94 CALM 30.05S TC 20
DE KALB* PTCLDY 69 69 100 E6 30.06S TC 21
PERU* PTCLDY 70 70 99 E3 30.04S TC 21
ILZ005-006-012>014-019>023-181100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 74 69 85 SE8 30.04F TC 23
CHICAGO-MIDWAY MOCLDY 75 68 78 SE10 30.05S TC 24
AURORA MOCLDY 72 69 90 E3 30.04F TC 22
JOLIET* PTCLDY 74 72 92 SE7 30.05S TC 24
WAUKEGAN CLOUDY 75 68 78 SE10 30.07R TC 24
DUPAGE AIRPORT CLOUDY 73 69 87 SE3 30.04F TC 23
KANKAKEE* CLOUDY 72 70 94 E8 30.06F TC 22
WHEELING CLOUDY 75 70 84 MISG 30.06S TC 24
MORRIS* MOCLDY 69 69 100 E5 30.03F TC 21
ROMEOVILLE* CLOUDY 73 73 100 SE9 30.05F TC 23
LANSING* PTCLDY 71 69 92 SE12G18 30.07F TC 22
NORTHERLY ISL* N/A 73 68 84 SE13 N/A TC 23
LMZ740>746-181100-
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 70 75 120/ 19/ 23 1018.8S
WINTHROP HARBOR 74 75 130/ 17/ 21 N/A 4/ 5
WAUKEGAN HARBOR 75 75 140/ 16/ 19 N/A 4/ 4
WILMETTE BUOY 74 130/ 17/ 21 1019.7F 3/ 6
NORTHERLY ISL 73 110/ 12/ 13 N/A
CALUMET HARBOR 74 110/ 12/ 16 1016.9
BURNS HARBOR 72 130/ 7/ 13 1018.6S
MICHIGAN CITY 71 130/ 13/ 15 1016.7R
MICH CITY BUOY 73 77 120/ 16/ 21 1016.7S 4/ 6
ST. JOSEPH BUOY 71 78 80/ 19/ 27 1019.4S 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-181100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 73 71 93 S5 29.98S TC 23
GALESBURG* CLOUDY 75 75 100 E5 30.01S FOG TC 24
MACOMB* PTCLDY 73 73 100 CALM 30.01S FOG TC 23
JACKSONVILLE* CLEAR 76 76 99 S5 29.99F TC 25
PITTSFIELD* CLEAR 73 73 98 CALM 30.00F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-181100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 71 70 97 E6 30.04S TC 22
BLOOMINGTON PTCLDY 73 73 100 SE6 30.05F FOG TC 23
DECATUR MOCLDY 78 72 81 SE5 30.04R HX 80 TC 26
PEORIA PTCLDY 76 74 93 E6 30.01F TC 24
LACON* PTCLDY 71 69 92 CALM 30.02S TC 22
LINCOLN* CLEAR 75 75 100 SE3 30.02S TC 24
SPRINGFIELD CLEAR 77 74 90 E6 30.01R TC 25
TAYLORVILLE CLEAR 75 72 88 SE6 30.03S TC 24
ILZ033-039-045-046-055>057-062-063-181100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 75 74 96 E5 30.05S FOG TC 24
DANVILLE* CLOUDY 74 73 97 E5 30.06F TC 24
RANTOUL* MOCLDY 74 73 98 E5 30.06S TC 23
MATTOON CLEAR 73 71 93 SE5 30.03S TC 23
PARIS* CLEAR 71 71 98 CALM 30.05S FOG TC 22
ILZ079-100>102-181100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 74 95 CALM 30.01S TC 24
BELLEVILLE CLEAR 76 74 93 SE3 29.99S TC 24
CAHOKIA* CLEAR 76 74 93 CALM 30.00S TC 24
SPARTA* CLEAR 77 76 95 SE3 30.02S TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 73 73 100 CALM 30.02R FOG TC 23
CAIRO* CLEAR 75 74 98 CALM 30.01S TC 24
EFFINGHAM* CLEAR 72 72 100 CALM 30.05F TC 22
MARION CLEAR 72 71 96 CALM 30.03S TC 22
MT. VERNON CLEAR 72 72 100 N3 30.03S FOG TC 22
CENTRALIA* CLEAR 73 72 96 E5 30.03R TC 23
SALEM* CLEAR 76 72 86 CALM 30.03S TC 25
METROPOLIS* CLEAR 72 71 96 CALM 30.02S TC 22
ILZ067-068-072-073-078-083-087-091-181100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 74 72 93 NE3 30.04S TC 23
FLORA* CLEAR 72 N/A N/A CALM 30.04S TC 22
FAIRFIELD* CLEAR 72 71 96 CALM 30.03F TC 22
HARRISBURG* CLEAR 73 70 91 CALM 30.03S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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