659
ASUS43 KLOT 012301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-020000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 65 63 93 N9 29.94R TC 18
STERLING* CLOUDY 63 63 100 N6 29.95R TC 17
SAVANNA* LGT RAIN 64 64 100 N3 29.95R TC 18
ILZ003-004-008-010-011-017-018-020000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 63 62 97 N7 29.95R FOG TC 17
FREEPORT* CLOUDY 64 62 94 N6 29.96S TC 18
ILZ005-006-012>014-019>023-020000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE HVY RAIN 63 62 97 N15 29.90R FOG TC 17
CHICAGO-MIDWAY LGT RAIN 64 63 96 N12 29.90R TC 18
AURORA LGT RAIN 63 63 100 N10 29.90R FOG TC 17
JOLIET* RAIN 70 70 100 NE18 29.87R TC 21
WAUKEGAN LGT RAIN 62 62 100 N5 29.92R TC 17
DUPAGE AIRPORT RAIN 63 62 97 N12 29.92R FOG TC 17
KANKAKEE* MOCLDY 73 71 94 CALM 29.88R TC 23
WHEELING LGT RAIN 63 62 97 N10 29.93R TC 17
LANSING* RAIN 64 64 97 N10 29.89R TC 18
NORTHERLY ISL* N/A 63 61 93 MISG N/A TC 17
LMZ740>746-020000-
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 62 62 340/ 10/ 14 1009.3R 2/ 3
WAUKEGAN HARBOR 63 64 330/ 10/ 14 1013.7R 2/ 4
WILMETTE BUOY 64 30/ 14/ 19 1014.5S 2/ 4
CHICAGO BUOY 65 64 20/ 10/ 14 1011.4R 2/ 3
HARRISON CRIB 64 20/ 19/ 21 N/A
NORTHERLY ISL 63 350/ 13/ 17 N/A
CALUMET HARBOR 64 340/ 9/ 13 1012.1
MICHIGAN CITY 64 360/ 11/ 12 1011.0R
MICH CITY BUOY 64 63 10/ 8/ 10 N/A 1
ST. JOSEPH BUOY 62 62 20/ 12/ 14 1012.7F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-020000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 69 68 96 NW7 29.89R TC 21
GALESBURG* RAIN 63 63 100 N12 29.94R TC 17
MACOMB* LGT RAIN 65 65 100 N14G20 29.93R TC 18
PITTSFIELD* HVY RAIN 71 70 98 W6 29.91R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-020000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 73 72 98 W7 29.87S TC 23
BLOOMINGTON CLOUDY 74 68 81 W13 29.88S TC 23
DECATUR MOCLDY 76 69 79 S6 29.86R TC 24
PEORIA LGT RAIN 70 69 97 W7 29.88R FOG TC 21
LACON* RAIN 67 64 92 N9G16 29.89R TC 19
SPRINGFIELD LGT RAIN 75 69 81 NW8 29.86R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-020000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 77 67 71 SW6 29.86F TC 25
MATTOON MOCLDY 85 64 49 S12 29.86F HX 86 TC 29
ILZ079-100>102-020000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 86 63 45 S7 29.84R HX 87 TC 30
CAHOKIA* MOCLDY 88 62 41 S8G17 29.83R HX 88 TC 31
SPARTA* MOCLDY 86 62 43 S12 29.87F HX 87 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-020000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* MOCLDY 84 63 49 SE7 29.89S HX 85 TC 29
MT. VERNON MOCLDY 87 64 46 S14 29.88S HX 88 TC 31
CENTRALIA* MOCLDY 88 61 40 S12G17 29.87S HX 87 TC 31
SALEM* N/A 89 64 43 MISG 29.87S HAZE HX 89
ILZ067-068-072-073-078-083-087-091-020000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 84 65 52 S12 29.89S HX 86 TC 29
FAIRFIELD* MOCLDY 88 60 39 S13G18 29.89R HX 87 TC 31
HARRISBURG* PTCLDY 87 65 46 S8 29.91R HX 89 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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