826
ASUS43 KLOT 100810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-100900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 69 69 100 NW5 30.02S TC 21
STERLING* FOG 68 68 100 CALM 30.03S VSB 1/4 TC 20
SAVANNA* PTCLDY 67 65 96 CALM 30.03S FOG TC 19
ILZ003-004-008-010-011-017-018-100900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 65 64 97 SE3 30.03F TC 18
FREEPORT* PTCLDY 65 64 95 CALM 30.04F TC 18
ROCHELLE* FOG 62 60 94 CALM 30.04S VSB 1/4 TC 17
DE KALB* MOCLDY 67 67 100 W5 30.04S TC 20
PERU* CLOUDY 70 70 100 SW5 30.02S TC 21
ILZ005-006-012>014-019>023-100900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 69 68 96 W6 30.00S TC 21
CHICAGO-MIDWAY CLOUDY 70 69 97 W5 30.01S TC 21
AURORA FOG 64 64 100 CALM 30.02S VSB 1/4 TC 18
JOLIET* CLOUDY 70 70 99 CALM 30.02S TC 21
WAUKEGAN PTCLDY 67 67 100 W3 30.00S TC 19
DUPAGE AIRPORT FOG 67 66 97 CALM 30.02 VSB 1/2 TC 19
KANKAKEE* MOCLDY 66 64 95 CALM 30.03F TC 19
WHEELING MOCLDY 69 68 96 NW5 30.02S TC 21
ROMEOVILLE* CLOUDY 68 68 100 SW5 30.03S TC 20
LANSING* CLOUDY 68 68 98 W5 30.02R TC 20
NORTHERLY ISL* N/A 71 67 87 W9 N/A TC 22
LMZ740>746-100900-
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 68 65 280/ 6/ 8 1011.6 0
WAUKEGAN HARBOR 69 66 290/ 6/ 8 1016.4 0
WILMETTE BUOY 72 260/ 8/ 10 1018.6R 1
CHICAGO BUOY 74 72 1014.9 1
HARRISON CRIB 72 270/ 13/ 14 N/A
NORTHERLY ISL 72 270/ 8/ 9 N/A
CALUMET HARBOR 71 240/ 5/ 7 1016.1
MICHIGAN CITY 71 230/ 10/ 10 1014.6S
MICH CITY BUOY 70 70 250/ 6/ 10 N/A 1/ 3
ST. JOSEPH BUOY 72 71 260/ 6/ 10 1016.5R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-100900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 70 69 97 SW3 30.02F TC 21
GALESBURG* CLOUDY 67 67 100 NW3 30.04F TC 20
MACOMB* MOCLDY 66 66 100 S3 30.04F TC 19
JACKSONVILLE* CLOUDY 69 69 100 CALM 30.02F TC 21
PITTSFIELD* MOCLDY 71 70 98 CALM 30.03F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-100900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 66 66 100 W3 30.03S TC 19
BLOOMINGTON MOCLDY 70 70 100 N8 30.02F TC 21
DECATUR LGT RAIN 69 66 90 S6 30.01F TC 21
PEORIA CLOUDY 70 68 93 CALM 30.02F TC 21
LACON* CLOUDY 67 65 93 CALM 30.02F TC 20
LINCOLN* MOCLDY 69 69 100 CALM 30.02F TC 21
SPRINGFIELD MOCLDY 69 67 93 CALM 30.02F TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-100900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 66 65 96 CALM 30.02F TC 19
RANTOUL* MOCLDY 68 67 97 CALM 30.02F TC 20
MATTOON LGT RAIN 70 66 87 CALM 30.02F TC 21
PARIS* MOCLDY 67 66 98 CALM 30.03F TC 19
ILZ079-100>102-100900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 70 68 93 NW7 30.04R TC 21
BELLEVILLE MOCLDY 71 70 97 CALM 29.98F TC 22
CAHOKIA* MOCLDY 70 69 97 VRB3 30.00F TC 21
SPARTA* LGT RAIN 70 70 100 E6 30.03S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 80 76 86 CALM 30.02R HX 85 TC 27
EFFINGHAM* RAIN 70 68 94 NW5 30.08R TC 21
MARION LGT RAIN 73 73 100 N10G20 30.06R TC 23
MT. VERNON TSTM 71 69 93 NE10 30.01F TC 22
CENTRALIA* PTCLDY 69 68 98 E6 30.02F TC 21
SALEM* MOCLDY 71 70 99 MISG 30.02F TC 22
METROPOLIS* MOCLDY 80 72 76 S6 30.00F HX 83 TC 27
ILZ067-068-072-073-078-083-087-091-100900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE TSTM 73 71 93 NE7 30.00F TC 23
FLORA* LGT RAIN 70 N/A N/A W5 30.05F TC 21
FAIRFIELD* CLOUDY 71 70 98 NW5 30.07S TC 21
HARRISBURG* CLOUDY 76 75 95 NW5 30.04R TC 25
ROBINSON* CLOUDY 73 70 88 N3 30.00F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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