245
ASUS43 KLOT 301210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM 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.
ILZ001-002-007-009-015-016-024-301300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 64 61 90 S8 29.87S TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 66; 6HR PCP: 0.49;
STERLING* CLOUDY 63 63 100 CALM 29.90S TC 17
SAVANNA* DRIZZLE 64 64 100 S12 29.86S TC 18
ILZ003-004-008-010-011-017-018-301300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD RAIN 61 61 100 SE7 29.91F FOG TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 69; 6HR PCP: 0.40;
FREEPORT* CLOUDY 63 62 95 S15G21 29.89S TC 17
ROCHELLE* RAIN 61 61 100 S6 29.92S TC 16
DE KALB* RAIN 60 60 100 S5 29.93S TC 16
PERU* RAIN 63 63 100 S3 29.92S TC 17
ILZ005-006-012>014-019>023-301300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 65 54 67 SW8 29.93R TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 70; 6HR PCP: TRACE;
CHICAGO-MIDWAY LGT RAIN 67 53 61 SW8 29.94R TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 70; 6HR PCP: TRACE;
AURORA LGT RAIN 60 58 92 S6 29.93R TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 66; 6HR PCP: 0.05;
JOLIET* RAIN 63 60 89 W6 29.96R TC 17
WAUKEGAN LGT RAIN 60 57 89 SW6 29.92R TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 68; 6HR PCP: 0.03;
DUPAGE AIRPORT LGT RAIN 61 57 87 S8 29.94R TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 67; 6HR PCP: 0.02;
KANKAKEE* CLOUDY 62 55 80 CALM 29.96R TC 17
WHEELING LGT RAIN 64 56 75 SW5 29.94R TC 18
6HR MIN TEMP: 64; 6HR MAX TEMP: 70; 6HR PCP: 0.01;
ROMEOVILLE* LGT RAIN 61 59 94 SW6 29.96R FOG TC 16
LANSING* CLOUDY 62 54 74 SW6 29.95R TC 17
NORTHERLY ISL* N/A 67 52 58 S2 N/A TC 19
LMZ740>746-301300-
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 64 65 180/ 8/ 10 1010.9 1/ 3
WAUKEGAN HARBOR 65 65 220/ 8/ 10 1014.0 1
WILMETTE BUOY 66 200/ 6/ 8 1015.2R 1
CHICAGO BUOY 67 64 220/ 6/ 8 1012.6 1
HARRISON CRIB 69 200/ 11/ 12 N/A
NORTHERLY ISL 67 210/ 5/ 10 N/A
CALUMET HARBOR 67 200/ 8/ 10 1013.5
MICHIGAN CITY 66 160/ 10/ 14 1012.4R
MICH CITY BUOY 64 62 210/ 4/ 6 N/A 1
ST. JOSEPH BUOY 65 62 180/ 10/ 12 1014.4R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-301300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 66 58 75 E6 29.87R TC 19
GALESBURG* LGT RAIN 61 61 100 CALM 29.92R TC 16
MACOMB* RAIN 62 62 100 CALM 29.92R TC 17
JACKSONVILLE* CLOUDY 65 57 74 SE7 29.90S TC 19
PITTSFIELD* CLOUDY 68 54 61 CALM 29.90R TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-301300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 61 59 94 CALM 29.96R TC 16
BLOOMINGTON LGT RAIN 62 58 86 S5 29.95S TC 17
DECATUR CLOUDY 66 53 63 S7 29.94R TC 19
PEORIA LGT RAIN 61 59 93 E5 29.92F TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 70; 6HR PCP: 0.17;
LACON* LGT RAIN 61 59 92 S5 29.92S TC 16
SPRINGFIELD CLOUDY 68 52 56 CALM 29.91S TC 20
6HR MIN TEMP: 68; 6HR MAX TEMP: 70; 6HR PCP: TRACE;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 65 52 62 S7 29.95R TC 18
RANTOUL* CLOUDY 62 55 77 S3 29.96R TC 17
MATTOON MOCLDY 64 53 67 S8 29.95R TC 18
PARIS* MOCLDY 62 54 74 S3 29.97S TC 17
ILZ079-100>102-301300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 64 54 68 E3 29.92S TC 18
BELLEVILLE CLOUDY 66 57 74 CALM 29.91S TC 19
CAHOKIA* MOCLDY 65 54 67 S5 29.91S TC 18
SPARTA* PTCLDY 68 50 53 S7 29.96R TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 64 55 72 CALM 29.96 TC 18
CAIRO* PTCLDY 60 58 96 CALM 29.98R TC 15
EFFINGHAM* MOCLDY 62 53 71 CALM 29.97S TC 17
MT. VERNON PTCLDY 61 55 81 CALM 29.97R TC 16
CENTRALIA* PTCLDY 67 52 57 S7 29.96R TC 20
SALEM* PTCLDY 68 53 59 MISG 29.95F TC 20
METROPOLIS* PTCLDY 58 58 97 CALM 29.99R TC 15
ILZ067-068-072-073-078-083-087-091-301300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 61 56 83 SE3 29.97S TC 16
FLORA* PTCLDY 61 55 82 CALM 29.96S TC 16
FAIRFIELD* PTCLDY 64 53 67 CALM 29.97R TC 18
HARRISBURG* PTCLDY 59 56 91 CALM 29.97S TC 15
ROBINSON* MOCLDY 57 57 100 S1 29.97S TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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