490
ASUS43 KLOT 091801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-091900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 75 69 81 SW8 30.04F TC 24
6HR MIN TEMP: 70; 6HR MAX TEMP: 76; 6HR PCP: 0.24;
STERLING* CLOUDY 77 71 82 SW15 30.06S TC 25
SAVANNA* CLOUDY 74 69 83 W10 30.06S TC 24
ILZ003-004-008-010-011-017-018-091900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 76 69 79 SW14G25 30.04F TC 24
6HR MIN TEMP: 71; 6HR MAX TEMP: 76; 6HR PCP: 0.06;
FREEPORT* CLOUDY 75 73 95 W10G17 30.06F TC 24
ILZ005-006-012>014-019>023-091900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 76 70 82 W12G18 30.02F TC 24
6HR MIN TEMP: 71; 6HR MAX TEMP: 76; 6HR PCP: 0.04;
CHICAGO-MIDWAY CLOUDY 75 69 81 W16 30.03F TC 24
6HR MIN TEMP: 72; 6HR MAX TEMP: 75; 6HR PCP: 0.02;
AURORA PTSUNNY 75 70 84 W12 30.04F TC 24
6HR MIN TEMP: 70; 6HR MAX TEMP: 75; 6HR PCP: 0.05;
JOLIET* PTSUNNY 75 72 91 W6 30.06S TC 24
WAUKEGAN CLOUDY 75 71 87 W12G21 29.99F TC 24
6HR MIN TEMP: 69; 6HR MAX TEMP: 75; 6HR PCP: 0.03;
DUPAGE AIRPORT PTSUNNY 75 71 87 W14 30.04F TC 24
6HR MIN TEMP: 70; 6HR MAX TEMP: 75;
KANKAKEE* PTSUNNY 74 71 92 NW9 30.07S TC 23
WHEELING CLOUDY 76 70 82 W14G23 30.03F TC 24
6HR MIN TEMP: 71; 6HR MAX TEMP: 77; 6HR PCP: 0.42;
LANSING* LGT RAIN 74 70 88 SW7 30.04F TC 23
NORTHERLY ISL* N/A 74 67 78 W13 N/A TC 23
LMZ740>746-091900-
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 73 65 260/ 10/ 16 1021.3R 1
WILMETTE BUOY 74 250/ 10/ 16 1019.3F 1
CHICAGO BUOY 75 72 1015.6S 1
HARRISON CRIB 74 250/ 15/ 18 N/A
NORTHERLY ISL 74 300/ 7/ 12 N/A
CALUMET HARBOR 74 260/ 6/ 12 1017.7
MICHIGAN CITY 75 220/ 9/ 10 1015.6F
MICH CITY BUOY 69 67 230/ 6/ 10 N/A 1
ST. JOSEPH BUOY 71 71 210/ 8/ 10 1017.3F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-091900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 71 70 96 S8 30.09F TC 22
MACOMB* PTSUNNY 70 70 100 S5 30.09F TC 21
PITTSFIELD* MOSUNNY 78 65 63 CALM 30.11F HX 80 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-091900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 76 72 87 S9 30.07F TC 24
DECATUR SUNNY 86 65 49 NW7 30.09F HX 88 TC 30
PEORIA PTSUNNY 72 68 87 W7 30.08F TC 22
6HR MIN TEMP: 70; 6HR MAX TEMP: 73; 6HR PCP: 0.15;
LACON* PTSUNNY 72 68 87 W5 30.06S TC 22
LINCOLN* MOSUNNY 81 69 67 W5 30.09S HX 84 TC 27
SPRINGFIELD MOSUNNY 82 66 58 NW8 30.11S HX 84 TC 28
6HR MIN TEMP: 71; 6HR MAX TEMP: 85;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-091900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 85 69 58 NW5 30.08F HX 89 TC 29
MATTOON MOSUNNY 87 68 52 NW10 30.08F HX 90 TC 31
ILZ079-100>102-091900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 66 48 N9G20 30.10F HX 90 TC 31
CAHOKIA* SUNNY 90 68 48 MISG 30.09F HX 94 TC 32
SPARTA* MOSUNNY 90 67 46 W7 30.10F HX 92 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-091900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* MOSUNNY 87 67 52 CALM 30.11F HX 90 TC 31
MT. VERNON PTSUNNY 89 70 53 SW7 30.10S HX 94 TC 32
CENTRALIA* MOSUNNY 91 67 44 NW3 30.09S HX 94 TC 33
SALEM* MOSUNNY 89 69 52 MISG 30.10S HX 93 TC 32
ILZ067-068-072-073-078-083-087-091-091900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 92 71 50 CALM 30.08S HX 98 TC 33
FAIRFIELD* MOSUNNY 89 69 52 SW8 30.08F HX 93 TC 31
HARRISBURG* PTSUNNY 93 73 53 W18G25 30.10S HX 102 TC 34
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