704
ASUS43 KLOT 012102
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-012200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 64 62 93 N12G21 29.90R FOG TC 18
STERLING* LGT RAIN 64 64 100 N9 29.91R TC 18
SAVANNA* LGT RAIN 64 64 100 N7 29.92R TC 18
ILZ003-004-008-010-011-017-018-012200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 63 62 97 N9G20 29.92S FOG TC 17
FREEPORT* CLOUDY 64 62 95 N7 29.94R TC 18
DE KALB* LGT RAIN 63 63 100 N10G22 29.90R TC 17
ILZ005-006-012>014-019>023-012200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 65 64 97 N14 29.88R FOG TC 18
CHICAGO-MIDWAY RAIN 71 69 93 SW7 29.88R FOG TC 22
AURORA LGT RAIN 67 66 97 N10 29.87R FOG TC 19
JOLIET* DRIZZLE 72 72 100 CALM 29.87F TC 22
WAUKEGAN LGT RAIN 63 62 97 N9 29.89S TC 17
DUPAGE AIRPORT RAIN 66 65 96 N14 29.89R TC 19
WHEELING LGT RAIN 64 63 96 N12 29.91R TC 18
LANSING* HVY RAIN 71 69 93 SW6 29.89R TC 21
NORTHERLY ISL* N/A 67 62 84 N7 N/A TC 19
LMZ740>746-012200-
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 63 62 350/ 10/ 14 1009.2F 2/ 3
WAUKEGAN HARBOR 63 64 320/ 14/ 17 1012.8R 2/ 3
WILMETTE BUOY 64 360/ 16/ 19 1013.6F 1/ 2
CHICAGO BUOY 69 64 320/ 10/ 17 1010.8R 1
HARRISON CRIB 64 340/ 15/ 18 N/A
NORTHERLY ISL 71 240/ 5/ 12 N/A
CALUMET HARBOR 230/ 5/ 11 1011.5
MICHIGAN CITY 68 230/ 7/ 7 1010.6R
MICH CITY BUOY 65 63 220/ 4/ 6 N/A 1
ST. JOSEPH BUOY 66 62 250/ 6/ 8 1012.2F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-012200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 70 69 97 W9 29.88S TC 21
MACOMB* LGT RAIN 71 71 100 SW8 29.89S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-012200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 77 69 76 NW5 29.88S TC 25
DECATUR CLOUDY 86 65 49 SW15 29.86S HX 88 TC 30
PEORIA CLOUDY 72 68 87 SW10 29.86S TC 22
SPRINGFIELD CLOUDY 82 67 60 NW6 29.85S HX 84 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-012200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 80 71 74 CALM 29.87S HX 84 TC 27
MATTOON PTSUNNY 85 65 51 S9G22 29.88F HX 86 TC 29
ILZ079-100>102-012200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 90 63 40 SW16G22 29.85S HX 90 TC 32
CAHOKIA* PTSUNNY 90 61 37 S8G20 29.83F HX 90 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-012200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* PTSUNNY 87 62 43 SE9G16 29.90S HX 87 TC 31
MT. VERNON PTSUNNY 91 64 40 SW17 29.88F HX 92 TC 33
SALEM* PTSUNNY 91 65 42 MISG 29.88S HX 93 TC 33
ILZ067-068-072-073-078-083-087-091-012200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 87 66 49 S17 29.91S HX 89 TC 31
FAIRFIELD* CLOUDY 90 62 38 S12 29.89F HX 90 TC 32
HARRISBURG* PTSUNNY 91 65 42 S13 29.91S HX 92 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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