043
ASUS43 KLOT 091910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT WED SEP 09 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.
ILZ001-002-007-009-015-016-024-092000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 76 69 79 SW8G18 30.05R TC 24
STERLING* PTSUNNY 79 70 74 W14 30.04F HX 82 TC 26
SAVANNA* CLOUDY 75 70 84 W6 30.04F TC 24
ILZ003-004-008-010-011-017-018-092000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 68 73 W13 30.03F TC 25
FREEPORT* CLOUDY 74 73 96 W7 30.05F TC 23
ROCHELLE* PTSUNNY 77 68 72 W13 30.03F TC 25
DE KALB* CLOUDY 78 71 78 W14 30.04F HX 80 TC 25
PERU* CLOUDY 79 70 73 SW7 30.04F HX 81 TC 26
ILZ005-006-012>014-019>023-092000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 77 69 76 SW14G20 30.01S TC 25
CHICAGO-MIDWAY CLOUDY 76 69 79 W12 30.02F TC 24
AURORA CLOUDY 80 70 71 W12 30.02F HX 83 TC 27
JOLIET* CLOUDY 77 72 84 SW6 30.03F TC 25
WAUKEGAN CLOUDY 77 71 82 W9 29.98F TC 25
DUPAGE AIRPORT CLOUDY 79 71 76 W14G25 30.02F HX 82 TC 26
KANKAKEE* CLOUDY 75 71 85 W8 30.07F TC 24
WHEELING CLOUDY 78 69 73 W15G23 30.02F HX 80 TC 26
ROMEOVILLE* MOSUNNY 77 77 100 SW8G16 30.04F TC 25
LANSING* CLOUDY 74 69 84 W7 30.04S TC 24
NORTHERLY ISL* N/A 75 67 76 W8 N/A TC 24
LMZ740>746-092000-
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 74 65 250/ 10/ 14 1021.4 1
WAUKEGAN HARBOR 76 68 240/ 8/ 14 1015.9 1
WILMETTE BUOY 75 260/ 14/ 19 1019.1F 1/ 2
CHICAGO BUOY 76 72 1015.3 1
HARRISON CRIB 76 260/ 16/ 18 N/A
NORTHERLY ISL 75 240/ 11/ 13 N/A
CALUMET HARBOR 76 250/ 7/ 12 1016.9
MICHIGAN CITY 72 230/ 15/ 15 1015.6S
MICH CITY BUOY 70 69 230/ 8/ 12 N/A 1
ST. JOSEPH BUOY 72 71 230/ 12/ 14 1017.2F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-092000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 73 71 93 S9 30.07F TC 23
GALESBURG* CLOUDY 73 69 89 W7 30.09R TC 23
MACOMB* PTSUNNY 71 71 99 W7 30.09R TC 22
JACKSONVILLE* MOSUNNY 78 67 68 S3 30.05F HX 80 TC 26
PITTSFIELD* PTSUNNY 82 65 56 W3 30.08F HX 84 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-092000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 75 71 86 W6 30.05F TC 24
BLOOMINGTON LGT RAIN 75 70 84 W9 30.07S TC 24
DECATUR MOSUNNY 85 65 51 W8 30.07F HX 86 TC 29
PEORIA PTSUNNY 74 69 85 W7 30.06F TC 23
LACON* CLOUDY 75 68 79 SW7 30.04F TC 24
LINCOLN* LGT RAIN 81 68 64 CALM 30.05F HX 83 TC 27
SPRINGFIELD MOSUNNY 82 67 60 SW5 30.05F HX 84 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-092000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 86 67 52 W7 30.05F HX 89 TC 30
RANTOUL* MOSUNNY 82 68 62 SW5 30.04F HX 84 TC 28
MATTOON MOSUNNY 90 67 46 VRB7 30.06F HX 93 TC 32
PARIS* MOSUNNY 89 68 49 N3 30.06F HX 92 TC 31
ILZ079-100>102-092000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 90 66 45 N7 30.08F HX 92 TC 32
BELLEVILLE SUNNY 92 71 49 CALM 30.06F HX 98 TC 33
CAHOKIA* MOSUNNY 92 69 47 N8 30.07F HX 97 TC 33
SPARTA* MOSUNNY 91 66 44 N3 30.09F HX 93 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-092000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 84 75 74 SE9 30.10S HX 92 TC 29
CAIRO* CLOUDY 91 77 64 CALM 30.08F HX 105 TC 33
EFFINGHAM* MOSUNNY 89 66 46 CALM 30.08F HX 92 TC 32
MT. VERNON MOSUNNY 93 69 45 SW9 30.08F HX 98 TC 34
CENTRALIA* MOSUNNY 94 67 40 NW5 30.08F HX 97 TC 34
SALEM* MOSUNNY 89 70 53 MISG 30.09S HX 95 TC 32
METROPOLIS* MOSUNNY 95 72 47 SW7 30.10S HX 103 TC 35
ILZ067-068-072-073-078-083-087-091-092000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 93 71 48 W12 30.06F HX 100 TC 34
FLORA* MOSUNNY 90 70 51 NW7 30.07F HX 95 TC 32
FAIRFIELD* MOSUNNY 91 68 47 SW9 30.07F HX 95 TC 33
HARRISBURG* LGT RAIN 79 75 87 SW5 30.11S HX 83 TC 26
ROBINSON* PTSUNNY 90 72 55 NW8G16 30.06F HX 96 TC 32
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