369
ASUS43 KLOT 301810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-301900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE HVY RAIN 64 62 93 S9 29.85F VSB 1 TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 64; 6HR PCP: 0.65;
STERLING* CLOUDY 64 64 100 CALM 29.89F TC 18
SAVANNA* LGT RAIN 65 64 97 S8 29.86F TC 18
ILZ003-004-008-010-011-017-018-301900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 64 62 93 S10 29.89F TC 18
6HR MIN TEMP: 61; 6HR MAX TEMP: 65; 6HR PCP: 0.13;
FREEPORT* CLOUDY 66 65 95 SW13 29.89S TC 19
ROCHELLE* LGT RAIN 62 62 100 S9 29.90S TC 17
DE KALB* DRIZZLE 61 61 100 SW10 29.91F TC 16
ILZ005-006-012>014-019>023-301900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 62 60 93 S10G21 29.89F TC 17
6HR MIN TEMP: 60; 6HR MAX TEMP: 65; 6HR PCP: 0.63;
CHICAGO-MIDWAY RAIN 62 60 93 S9G20 29.91F FOG TC 17
6HR MIN TEMP: 61; 6HR MAX TEMP: 67; 6HR PCP: 0.70;
AURORA LGT RAIN 62 61 96 S7 29.92S FOG TC 17
6HR MIN TEMP: 59; 6HR MAX TEMP: 62; 6HR PCP: 0.60;
JOLIET* LGT RAIN 63 63 100 S7 29.92F TC 17
WAUKEGAN CLOUDY 63 62 97 SW14 29.87F TC 17
6HR MIN TEMP: 59; 6HR MAX TEMP: 64; 6HR PCP: 0.37;
DUPAGE AIRPORT LGT RAIN 62 61 96 S10 29.90F TC 17
6HR MIN TEMP: 59; 6HR MAX TEMP: 62;
KANKAKEE* LGT RAIN 63 61 95 SE8 29.96F TC 17
WHEELING LGT RAIN 62 61 96 SW10 29.90S TC 17
6HR MIN TEMP: 60; 6HR MAX TEMP: 64; 6HR PCP: 0.48;
LANSING* RAIN 62 60 93 S8 29.94F TC 17
NORTHERLY ISL* N/A 61 59 93 S12 N/A TC 16
LMZ740>746-301900-
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 65 150/ 16/ 19 1012.6 2/ 4
WAUKEGAN HARBOR 65 65 200/ 14/ 19 1012.4 2/ 3
WILMETTE BUOY 62 170/ 14/ 19 1014.2F 2/ 3
CHICAGO BUOY 63 64 200/ 12/ 17 1011.9 2/ 3
HARRISON CRIB 63 190/ 18/ 20 N/A
NORTHERLY ISL 61 200/ 7/ 15 N/A
CALUMET HARBOR 61 150/ 10/ 12 1013.4
MICHIGAN CITY 62 160/ 8/ 10 1013.3F
MICH CITY BUOY 62 63 160/ 12/ 16 N/A 1
ST. JOSEPH BUOY 62 62 170/ 10/ 12 1014.7F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-301900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 61 68 E6 29.88F TC 22
GALESBURG* DRIZZLE 64 64 100 S7 29.90F TC 18
MACOMB* CLOUDY 66 65 98 SE8 29.92F TC 19
JACKSONVILLE* CLOUDY 82 56 41 SW8 29.90F HX 82 TC 28
PITTSFIELD* CLOUDY 85 57 38 SW8 29.89F HX 84 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-301900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 63 63 100 SE6 29.94F TC 17
BLOOMINGTON CLOUDY 67 62 84 SE5 29.96F TC 19
DECATUR CLOUDY 78 58 49 S6 29.93F TC 26
PEORIA CLOUDY 65 61 87 SE3 29.92F TC 18
6HR MIN TEMP: 61; 6HR MAX TEMP: 65; 6HR PCP: 0.45;
LACON* LGT RAIN 64 61 92 S5 29.91F TC 18
SPRINGFIELD CLOUDY 70 59 68 N7 29.91F TC 21
6HR MIN TEMP: 66; 6HR MAX TEMP: 72;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 78 53 41 S6 29.94F TC 26
RANTOUL* CLOUDY 72 55 55 SE6 29.95F TC 22
MATTOON CLOUDY 82 54 37 S9G17 29.94F HX 81 TC 28
PARIS* CLOUDY 80 53 39 S8G16 29.97F HX 80 TC 27
ILZ079-100>102-301900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 90 57 33 SW15 29.91F HX 88 TC 32
BELLEVILLE SUNNY 92 58 32 SW8 29.89F HX 91 TC 33
CAHOKIA* MOSUNNY 90 58 33 SW8G18 29.89F HX 89 TC 32
SPARTA* MOSUNNY 90 56 31 S9 29.94F HX 88 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 88 57 35 S12G21 29.95F HX 86 TC 31
CAIRO* MOSUNNY 88 58 36 SW5 29.97F HX 87 TC 31
EFFINGHAM* PTSUNNY 85 53 33 S5 29.96F HX 83 TC 29
MT. VERNON SUNNY 90 56 31 S12 29.95F HX 88 TC 32
CENTRALIA* MOSUNNY 92 53 27 SW12 29.94F HX 89 TC 33
SALEM* MOSUNNY 93 57 29 MISG 29.94F HX 92 TC 34
METROPOLIS* MOSUNNY 90 55 30 SW3 29.98F HX 88 TC 32
ILZ067-068-072-073-078-083-087-091-301900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 84 55 36 S15 29.97F HX 83 TC 29
FLORA* MOSUNNY 90 54 29 SW13 29.95F HX 87 TC 32
FAIRFIELD* MOSUNNY 89 51 26 SW7G16 29.96F HX 86 TC 32
HARRISBURG* MOSUNNY 88 56 34 SW9 29.97F HX 86 TC 31
ROBINSON* CLOUDY 84 55 37 S7 29.96F HX 83 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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