640
ASUS43 KLOT 191509
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT TUE AUG 19 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.
ILZ001-002-007-009-015-016-024-191600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 78 71 79 VRB5 30.04R HX 80 TC 26
ILZ003-004-008-010-011-017-018-191600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 66 90 N12 30.06R TC 21
ROCHELLE* CLOUDY 71 67 89 N9 30.06R TC 22
DE KALB* CLOUDY 70 70 100 N6 30.06R TC 21
PERU* CLOUDY 77 73 87 N9 30.03S TC 25
ILZ005-006-012>014-019>023-191600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 76 71 85 N9 29.99S TC 24
CHICAGO-MIDWAY CLOUDY 77 71 82 N9 30.00R TC 25
AURORA CLOUDY 76 71 85 NW8 30.02R TC 24
JOLIET* CLOUDY 76 74 93 CALM 30.01S TC 25
WAUKEGAN CLOUDY 74 68 81 N5 30.01R TC 23
DUPAGE AIRPORT CLOUDY 76 71 85 NW8 30.01S TC 24
KANKAKEE* CLOUDY 77 73 88 NW8 30.02S TC 25
WHEELING CLOUDY 76 71 85 N7 30.01F TC 24
MORRIS* CLOUDY 75 74 97 CALM 30.01S TC 24
ROMEOVILLE* CLOUDY 77 77 100 VRB6 30.02R TC 25
LANSING* DRIZZLE 73 73 100 N5 30.01R TC 23
NORTHERLY ISL* N/A 73 70 90 N12 N/A TC 23
LMZ740>746-191600-
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 72 75 350/ 16/ 17 1015.3R 3/ 4
WINTHROP HARBOR 66 61 280/ 4/ 6 N/A 2/ 4
WAUKEGAN HARBOR 72 75 310/ 10/ 12 N/A 1/ 3
WILMETTE BUOY 73 20/ 14/ 17 1018.2S 1/ 3
NORTHERLY ISL 76 280/ 8/ 10 1016.7
CALUMET HARBOR 74 330/ 4/ 6 1014.9
BURNS HARBOR 69 80 60/ 8/ 12 1021.1R
MICHIGAN CITY 74 260/ 13/ 16 1014.0R
MICH CITY BUOY 74 76 300/ 10/ 12 1013.9R 1/ 2
ST. JOSEPH BUOY 75 75 260/ 12/ 16 1016.0S 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-191600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 81 73 76 N9 30.05R HX 86 TC 27
GALESBURG* CLOUDY 77 72 85 NE10 30.06S TC 25
MACOMB* CLOUDY 74 72 92 N9 30.08R TC 23
JACKSONVILLE* MOSUNNY 81 73 75 N6 30.03S HX 86 TC 27
PITTSFIELD* MOSUNNY 83 74 73 N6 30.05S HX 90 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-191600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 76 73 91 N5 30.02S TC 24
BLOOMINGTON CLOUDY 78 73 84 N13 30.05R HX 81 TC 26
DECATUR MOSUNNY 84 75 74 NW9G18 30.02S HX 92 TC 29
PEORIA PTSUNNY 77 72 84 N6 30.03S TC 25
LACON* CLOUDY 76 71 84 N6 30.03R TC 25
LINCOLN* MOSUNNY 82 75 79 NW6 30.02R HX 89 TC 28
SPRINGFIELD MOSUNNY 82 74 76 N6 30.02R HX 88 TC 28
TAYLORVILLE SUNNY 84 75 74 NW8 30.02S HX 92 TC 29
ILZ033-039-045-046-055>057-062-063-191600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 83 76 79 W6 30.02 HX 91 TC 28
DANVILLE* CLOUDY 77 74 88 CALM 30.02S TC 25
RANTOUL* PTSUNNY 80 73 79 W5 30.01F HX 84 TC 27
MATTOON SUNNY 86 75 69 S7 30.00 HX 95 TC 30
PARIS* MOSUNNY 83 75 74 SW8 30.01S HX 91 TC 29
ILZ079-100>102-191600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 75 74 NW9 30.02R HX 92 TC 29
BELLEVILLE SUNNY 90 75 61 NW7 29.99R HX 101 TC 32
CAHOKIA* SUNNY 88 74 63 W6 30.01 HX 96 TC 31
SPARTA* SUNNY 91 71 51 W9 30.03R HX 97 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 89 74 60 SW6 30.01F HX 98 TC 32
CAIRO* SUNNY 87 77 70 CALM 30.03S HX 99 TC 31
EFFINGHAM* SUNNY 87 76 69 S7 30.03S HX 97 TC 31
MARION SUNNY 90 73 58 SW9 30.02S HX 98 TC 32
MT. VERNON SUNNY 91 75 59 SW8 30.02S HX 101 TC 33
CENTRALIA* SUNNY 91 73 56 SW9 30.02R HX 98 TC 33
SALEM* SUNNY 90 73 57 W7 30.01S HX 98 TC 32
METROPOLIS* SUNNY 88 73 59 CALM 30.03S HX 95 TC 31
ILZ067-068-072-073-078-083-087-091-191600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 85 75 72 S9 30.01 HX 93 TC 29
FLORA* SUNNY 86 77 74 SW6 30.02R HX 97 TC 30
FAIRFIELD* SUNNY 85 74 70 S8 30.01F HX 93 TC 30
HARRISBURG* SUNNY 89 73 60 SW8 30.02F HX 96 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page