020
ASUS43 KLOT 011807
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT THU OCT 01 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.
ILZ001-002-007-009-015-016-024-011900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 70 69 97 NW5 29.86F FOG TC 21
6HR MIN TEMP: 68; 6HR MAX TEMP: 70; 6HR PCP: 0.86;
STERLING* LGT RAIN 68 68 100 N8 29.89R FOG TC 20
SAVANNA* RAIN 64 64 100 N5 29.90S TC 18
ILZ003-004-008-010-011-017-018-011900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD RAIN 64 63 96 N14G20 29.90R FOG TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 67; 6HR PCP: 0.69;
FREEPORT* CLOUDY 64 63 95 NE6 29.93R TC 18
ROCHELLE* LGT RAIN 68 68 100 W5 29.89S TC 20
DE KALB* LGT RAIN 68 68 100 SW7 29.89S TC 20
ILZ005-006-012>014-019>023-011900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 69 67 93 SW9 29.87S FOG TC 21
6HR MIN TEMP: 65; 6HR MAX TEMP: 70; 6HR PCP: 0.16;
CHICAGO-MIDWAY LGT RAIN 71 67 87 W10 29.88R TC 22
6HR MIN TEMP: 66; 6HR MAX TEMP: 72; 6HR PCP: 0.02;
AURORA LGT RAIN 69 68 96 SW8 29.88S FOG TC 21
6HR MIN TEMP: 64; 6HR MAX TEMP: 70;
JOLIET* RAIN 73 71 93 W8 29.89S TC 23
WAUKEGAN LGT RAIN 68 67 96 VRB6 29.86R FOG TC 20
6HR MIN TEMP: 64; 6HR MAX TEMP: 68; 6HR PCP: 0.42;
DUPAGE AIRPORT LGT RAIN 68 67 96 SW12 29.88S FOG TC 20
6HR MIN TEMP: 64; 6HR MAX TEMP: 70;
KANKAKEE* PTSUNNY 83 63 50 W13G18 29.89S HX 84 TC 28
WHEELING HVY RAIN 69 67 93 W3 29.88F FOG TC 21
6HR MIN TEMP: 65; 6HR MAX TEMP: 70; 6HR PCP: 0.24;
ROMEOVILLE* LGT RAIN 72 72 100 W10 29.90R FOG TC 22
LANSING* PTSUNNY 77 66 70 W12G20 29.88S TC 25
NORTHERLY ISL* N/A 71 65 81 SW10 N/A TC 22
LMZ740>746-011900-
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 63 280/ 6/ 8 1012.6R 1
WAUKEGAN HARBOR 67 64 290/ 4/ 6 1012.0R 1
WILMETTE BUOY 68 220/ 10/ 16 1013.4S 1/ 2
CHICAGO BUOY 71 64 260/ 12/ 17 1010.5R 1
HARRISON CRIB 72 250/ 17/ 19 N/A
NORTHERLY ISL 71 220/ 5/ 8 N/A
CALUMET HARBOR 74 230/ 3/ 8 1011.7
MICHIGAN CITY 77 210/ 11/ 12 1010.4R
MICH CITY BUOY 67 63 260/ 2/ 4 N/A 1
ST. JOSEPH BUOY 65 61 200/ 2/ 4 1012.6S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-011900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY HVY RAIN 70 68 93 SW15 29.88S VSB 1 TC 21
GALESBURG* RAIN 70 70 100 S5 29.88F TC 21
MACOMB* RAIN 70 70 100 S5 29.89F TC 21
JACKSONVILLE* CLOUDY 76 67 73 SW3 29.89S TC 24
PITTSFIELD* LGT RAIN 77 68 72 SW9 29.90S TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-011900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 79 66 64 W12 29.92S HX 81 TC 26
DECATUR PTSUNNY 86 65 49 W13 29.89F HX 88 TC 30
PEORIA LGT RAIN 71 69 93 SW9 29.89F FOG TC 22
6HR MIN TEMP: 70; 6HR MAX TEMP: 74; 6HR PCP: 0.06;
LACON* LGT RAIN 69 67 92 SW3 29.89S TC 21
SPRINGFIELD CLOUDY 84 63 49 SW9 29.89F HX 85 TC 29
6HR MIN TEMP: 74; 6HR MAX TEMP: 84; 6HR PCP: TRACE;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-011900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 88 63 43 SW17G32 29.89F HX 89 TC 31
RANTOUL* PTSUNNY 87 62 43 SW18 29.90F HX 87 TC 30
MATTOON PTSUNNY 89 63 41 SW12G25 29.92F HX 90 TC 32
PARIS* PTSUNNY 91 61 36 SW18G25 29.92F HX 90 TC 33
ILZ079-100>102-011900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 66 48 SW15G23 29.89F HX 90 TC 31
CAHOKIA* PTSUNNY 89 66 46 SW9G20 29.88F HX 91 TC 32
SPARTA* MOSUNNY 89 64 42 S15G24 29.93F HX 90 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 90 64 43 SW14G29 29.93F HX 91 TC 32
CAIRO* MOSUNNY 91 67 44 SW13G18 29.95F HX 94 TC 33
EFFINGHAM* PTSUNNY 87 61 42 S16G22 29.94F HX 86 TC 30
MT. VERNON PTSUNNY 91 67 44 S16 29.93F HX 94 TC 33
CENTRALIA* MOSUNNY 91 65 42 S16G23 29.93F HX 92 TC 33
SALEM* PTSUNNY 91 67 45 MISG 29.92F HX 94 TC 33
METROPOLIS* MOSUNNY 90 64 41 SE10 29.97F HX 92 TC 32
ILZ067-068-072-073-078-083-087-091-011900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 88 65 46 SW16G29 29.94F HX 90 TC 31
FLORA* PTSUNNY 88 66 48 SW14G24 29.94F HX 90 TC 31
FAIRFIELD* MOSUNNY 89 64 44 SW16 29.94F HX 90 TC 31
HARRISBURG* MOSUNNY 89 65 45 SW18 29.95F HX 91 TC 32
ROBINSON* MOSUNNY 91 66 43 SW14G21 29.93F HX 94 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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