432
ASUS43 KLOT 100610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT THU SEP 10 2026
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.
ILZ001-002-007-009-015-016-024-100700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 68 67 96 W3 30.02S TC 20
6HR MIN TEMP: 67; 6HR MAX TEMP: 76;
STERLING* MOCLDY 68 68 100 CALM 30.03R TC 20
SAVANNA* PTCLDY 69 66 88 CALM 30.02S TC 21
ILZ003-004-008-010-011-017-018-100700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 68 67 96 CALM 30.02S TC 20
6HR MIN TEMP: 66; 6HR MAX TEMP: 76;
FREEPORT* PTCLDY 69 67 95 W6 30.04R TC 20
ROCHELLE* MOCLDY 63 62 94 CALM 30.03S FOG TC 17
DE KALB* MOCLDY 69 69 100 W6 30.03S TC 21
PERU* MOCLDY 68 68 100 SW5 30.04R FOG TC 20
ILZ005-006-012>014-019>023-100700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 71 68 90 W7 30.00R TC 22
6HR MIN TEMP: 71; 6HR MAX TEMP: 77;
CHICAGO-MIDWAY CLOUDY 71 69 93 W6 30.00S TC 22
6HR MIN TEMP: 71; 6HR MAX TEMP: 78;
AURORA MOCLDY 65 65 100 CALM 30.02R TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 74;
JOLIET* MOCLDY 70 70 100 CALM 30.02S TC 21
WAUKEGAN PTCLDY 69 68 96 W5 29.99R TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 75;
DUPAGE AIRPORT MOCLDY 67 66 97 CALM 30.01S TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 76;
KANKAKEE* PTCLDY 67 65 95 W6 30.04S TC 19
WHEELING PTCLDY 71 69 93 W3 30.01R TC 22
6HR MIN TEMP: 71; 6HR MAX TEMP: 77;
ROMEOVILLE* MOCLDY 70 70 100 SW6 30.03R TC 21
LANSING* PTCLDY 68 68 98 W5 30.02R TC 20
NORTHERLY ISL* N/A 72 67 84 W7 N/A TC 22
LMZ740>746-100700-
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)
WINTHROP HARBOR 69 64 270/ 6/ 8 1012.3 0
WAUKEGAN HARBOR 69 62 250/ 6/ 8 1016.0 0
WILMETTE BUOY 72 260/ 10/ 12 1018.3R 1
CHICAGO BUOY 74 72 1014.5 1
HARRISON CRIB 74 270/ 13/ 14 N/A
NORTHERLY ISL 73 260/ 6/ 11 N/A
CALUMET HARBOR 72 230/ 3/ 6 1015.9
MICHIGAN CITY 72 220/ 12/ 12 1014.5R
MICH CITY BUOY 71 69 230/ 6/ 8 N/A 1/ 3
ST. JOSEPH BUOY 72 71 250/ 10/ 12 1016.3S 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-100700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 70 69 97 CALM 30.05S TC 21
GALESBURG* CLOUDY 67 67 100 CALM 30.06S TC 20
MACOMB* MOCLDY 67 67 100 CALM 30.06F TC 20
JACKSONVILLE* CLOUDY 69 69 100 S3 30.06R TC 21
PITTSFIELD* CLOUDY 72 71 98 CALM 30.07F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-100700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 66 66 100 CALM 30.04S TC 19
BLOOMINGTON CLOUDY 70 69 97 NW7 30.06S TC 21
DECATUR PTCLDY 69 65 86 CALM 30.04S TC 21
PEORIA CLOUDY 69 68 96 N5 30.04S TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 74;
LACON* CLOUDY 68 66 94 CALM 30.04R TC 20
LINCOLN* CLOUDY 69 69 100 CALM 30.04R TC 21
SPRINGFIELD MOCLDY 69 66 90 S3 30.04R TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 74;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-100700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 64 63 96 CALM 30.04S TC 18
RANTOUL* PTCLDY 68 66 92 NW5 30.03F TC 20
MATTOON MOCLDY 71 65 81 CALM 30.03S TC 22
PARIS* PTCLDY 69 65 90 CALM 30.03F TC 20
ILZ079-100>102-100700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON DRIZZLE 72 68 89 S5 30.11R TC 22
BELLEVILLE TSTM 71 70 97 W3 30.08R VSB 1/2 TC 22
CAHOKIA* LGT RAIN 70 69 97 NE3 30.08 TC 21
SPARTA* RAIN 73 72 98 NW8 30.07R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 80 76 88 S7 30.04R HX 85 TC 27
EFFINGHAM* MOCLDY 72 67 86 CALM 30.06R TC 22
MARION MOCLDY 81 72 74 SW8 30.01S HX 84 TC 27
MT. VERNON HVY RAIN 73 70 88 NE5 30.05R FOG TC 23
CENTRALIA* TSTM 76 69 79 W3 30.06R TC 24
SALEM* MOCLDY 76 69 78 MISG 30.04R THUNDER TC 25
METROPOLIS* MOCLDY 79 71 77 S6 30.04S HX 82 TC 26
ILZ067-068-072-073-078-083-087-091-100700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 75 71 87 NE5 30.02F TC 24
FLORA* PTCLDY 73 72 94 CALM 30.04R TC 23
FAIRFIELD* MOCLDY 76 67 72 NE3 30.02S TC 25
HARRISBURG* CLOUDY 76 74 94 CALM 30.02S TC 25
ROBINSON* CLOUDY 73 72 94 S1 30.02F TC 23
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