099
ASUS43 KLOT 190308
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM 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.
ILZ001-002-007-009-015-016-024-190400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 75 73 93 W5 29.95S TC 24
ILZ003-004-008-010-011-017-018-190400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 72 71 97 S5 29.98S TC 22
ROCHELLE* PTCLDY 71 69 94 CALM 29.98F TC 22
DE KALB* LGT RAIN 71 71 100 S9 30.00S TC 22
PERU* MOCLDY 74 74 97 NE3 29.98F TC 24
ILZ005-006-012>014-019>023-190400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE TSTM 73 72 96 S8 30.00R TC 23
CHICAGO-MIDWAY TSTM 74 70 87 SE6 30.02F TC 23
AURORA LGT RAIN 72 71 97 SE5 29.98F TC 22
JOLIET* DRIZZLE 72 72 99 CALM 30.00F TC 22
WAUKEGAN LGT RAIN 75 71 87 S5 29.96F TC 24
DUPAGE AIRPORT TSTM 73 71 93 S9 29.99F TC 23
KANKAKEE* TSTM 72 70 94 E7 30.02F TC 22
WHEELING TSTM 73 72 96 S8 30.00F TC 23
MORRIS* MOCLDY 72 72 100 CALM 29.98F TC 22
ROMEOVILLE* RAIN 72 72 100 E7 30.01F TC 22
LANSING* TSTM 70 70 100 S7 30.02F TC 21
NORTHERLY ISL* N/A 72 70 93 SE2 N/A TC 22
LMZ740>746-190400-
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 75 210/ 10/ 12 1014.8R 2/ 5
WINTHROP HARBOR 72 64 N/A 2/ 4
WAUKEGAN HARBOR 74 76 160/ 10/ 12 N/A 1/ 4
WILMETTE BUOY 73 1018.0F 1/ 4
NORTHERLY ISL 73 350/ 5/ 9 N/A
CALUMET HARBOR 71 200/ 6/ 8 1015.9
BURNS HARBOR 72 220/ 13/ 18 1017.6R
MICHIGAN CITY 72 190/ 8/ 11 1015.4R
MICH CITY BUOY 73 76 200/ 16/ 21 1015.4R 2/ 3
ST. JOSEPH BUOY 75 74 150/ 12/ 16 1017.1R 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-190400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 81 73 76 S7 29.98R HX 86 TC 27
GALESBURG* RAIN 72 72 98 E3 30.00R TC 22
MACOMB* MOCLDY 75 73 91 SE5 30.00R TC 24
JACKSONVILLE* PTCLDY 80 80 99 S5 29.99R HX 87 TC 27
PITTSFIELD* PTCLDY 78 77 96 CALM 30.00S HX 81 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-190400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 73 69 87 SE7 29.99F TC 23
BLOOMINGTON PTCLDY 80 77 90 S8 30.02R HX 87 TC 27
DECATUR CLEAR 83 76 79 S6 30.01S HX 91 TC 28
PEORIA MOCLDY 72 68 87 E5 29.98F TC 22
LACON* TSTM 73 69 88 NE3 29.99R TC 23
LINCOLN* PTCLDY 81 73 76 NW6 30.03R HX 86 TC 27
SPRINGFIELD CLEAR 81 74 79 SE5 30.00R HX 86 TC 27
TAYLORVILLE CLEAR 81 75 83 SE9 30.01R HX 86 TC 27
ILZ033-039-045-046-055>057-062-063-190400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 79 76 90 SE6 30.03R HX 83 TC 26
DANVILLE* PTCLDY 77 73 90 SE5 30.05R TC 25
RANTOUL* PTCLDY 78 76 94 CALM 30.02S HX 81 TC 26
MATTOON CLEAR 81 75 82 SE7 30.02S HX 87 TC 27
PARIS* CLEAR 77 76 97 SE3 30.04S TC 25
ILZ079-100>102-190400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 81 77 89 CALM 30.00R HX 88 TC 27
BELLEVILLE CLEAR 85 77 76 CALM 29.98R HX 95 TC 29
CAHOKIA* CLEAR 80 76 87 CALM 29.99R HX 86 TC 27
SPARTA* CLEAR 85 74 68 CALM 30.02R HX 92 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 79 74 84 SE5 30.01R HX 82 TC 26
CAIRO* CLEAR 80 77 91 CALM 30.00R HX 85 TC 27
EFFINGHAM* CLEAR 80 77 91 E5 30.04S HX 85 TC 27
MARION CLEAR 82 73 72 CALM 30.03R HX 87 TC 28
MT. VERNON CLEAR 82 74 76 CALM 30.03R HX 88 TC 28
CENTRALIA* CLEAR 80 74 81 SE5 30.02R HX 84 TC 27
SALEM* CLEAR 84 73 70 SE3 30.03R HX 90 TC 29
METROPOLIS* CLEAR 80 72 76 CALM 30.01S HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-190400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 80 77 90 CALM 30.04R HX 87 TC 27
FLORA* CLEAR 79 75 89 SE5 30.03S HX 82 TC 26
FAIRFIELD* CLEAR 77 74 88 CALM 30.03R TC 25
HARRISBURG* CLEAR 79 73 83 CALM 30.03R 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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