452
ASUS43 KLOT 010001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CDT WED SEP 30 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.
ILZ001-002-007-009-015-016-024-010100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE HVY RAIN 66 64 93 S6 29.85R FOG TC 19
6HR MIN TEMP: 64; 6HR MAX TEMP: 67; 6HR PCP: 0.35;
STERLING* CLOUDY 65 64 97 CALM 29.87S TC 18
SAVANNA* DRIZZLE 65 65 100 S6 29.85S TC 19
ILZ003-004-008-010-011-017-018-010100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 65 64 97 S7 29.88S FOG TC 18
6HR MIN TEMP: 64; 6HR MAX TEMP: 66; 6HR PCP: 0.22;
FREEPORT* CLOUDY 65 64 95 SW9 29.88S TC 18
DE KALB* DRIZZLE 62 62 100 S10 29.89S TC 17
ILZ005-006-012>014-019>023-010100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 64 63 96 S9 29.87R TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 65; 6HR PCP: 0.09;
CHICAGO-MIDWAY LGT RAIN 64 62 93 S8 29.88S TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 65; 6HR PCP: 0.21;
AURORA LGT RAIN 63 62 97 S3 29.88S TC 17
6HR MIN TEMP: 62; 6HR MAX TEMP: 65; 6HR PCP: 0.18;
JOLIET* LGT RAIN 64 64 100 S3 29.89S TC 18
WAUKEGAN LGT RAIN 65 64 97 SW10 29.86R TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 65; 6HR PCP: TRACE;
DUPAGE AIRPORT LGT RAIN 63 61 93 SW7 29.88S TC 17
6HR MIN TEMP: 62; 6HR MAX TEMP: 64; 6HR PCP: 0.22;
KANKAKEE* MOCLDY 65 64 96 SE7 29.92S TC 18
WHEELING LGT RAIN 65 64 97 SW6 29.89R TC 18
6HR MIN TEMP: 62; 6HR MAX TEMP: 66; 6HR PCP: 0.07;
LANSING* CLOUDY 63 60 92 S8 29.91S TC 17
NORTHERLY ISL* N/A 63 60 90 S10 N/A TC 17
LMZ740>746-010100-
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 66 64 180/ 10/ 14 1012.8R 2/ 4
WAUKEGAN HARBOR 66 64 210/ 12/ 16 1012.2R 1/ 4
WILMETTE BUOY 65 180/ 12/ 17 1013.6R 2/ 3
CHICAGO BUOY 65 64 220/ 12/ 17 1011.0R 2/ 3
HARRISON CRIB 65 200/ 20/ 22 N/A
NORTHERLY ISL 64 200/ 11/ 13 N/A
CALUMET HARBOR 64 170/ 9/ 12 1012.3
MICHIGAN CITY 64 160/ 13/ 17 1011.6S
MICH CITY BUOY 64 63 180/ 14/ 17 N/A 1/ 2
ST. JOSEPH BUOY 63 60 180/ 12/ 16 1013.3R 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-010100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 74 66 76 E6 29.84F TC 23
MACOMB* MOCLDY 69 66 90 E6 29.88S TC 21
PITTSFIELD* CLOUDY 78 65 63 CALM 29.86S HX 80 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-010100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 67 60 78 E3 29.90F TC 19
DECATUR MOCLDY 72 61 68 E6 29.90R TC 22
PEORIA CLOUDY 67 66 97 CALM 29.87F TC 19
6HR MIN TEMP: 64; 6HR MAX TEMP: 69; 6HR PCP: 0.02;
LACON* CLOUDY 65 62 89 S3 29.87F TC 19
SPRINGFIELD MOCLDY 76 62 62 E5 29.86F TC 24
6HR MIN TEMP: 70; 6HR MAX TEMP: 80; 6HR PCP: TRACE;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 73 59 61 E8 29.91S TC 23
MATTOON MOCLDY 80 59 48 S6 29.90R HX 81 TC 27
ILZ079-100>102-010100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 81 61 50 SE8 29.87R HX 81 TC 27
BELLEVILLE CLEAR 80 62 52 S9 29.85R HX 81 TC 27
CAHOKIA* PTCLDY 83 61 47 SE7 29.85S HX 83 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 82 59 44 SE7 29.90R HX 82 TC 28
EFFINGHAM* MOCLDY 79 57 46 SE5 29.92S HX 80 TC 26
MARION CLEAR 82 59 44 SE6 29.91S HX 82 TC 28
MT. VERNON PTCLDY 81 58 45 S6 29.91S HX 81 TC 27
CENTRALIA* PTCLDY 82 57 43 S7 29.90S HX 82 TC 28
SALEM* PTCLDY 85 59 41 MISG 29.90S HX 84 TC 29
ILZ067-068-072-073-078-083-087-091-010100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 59 55 S8 29.92S TC 24
FAIRFIELD* PTCLDY 82 55 38 SE3 29.92R HX 82 TC 28
HARRISBURG* PTCLDY 79 58 48 S3 29.93R HX 80 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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