456
ASUS43 KLOT 021601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT FRI OCT 02 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.
ILZ001-002-007-009-015-016-024-021700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 61 45 55 NE10G18 30.28R TC 16
STERLING* SUNNY 63 47 55 NE9 30.29R TC 17
SAVANNA* SUNNY 60 45 57 N9 30.30R TC 16
ILZ003-004-008-010-011-017-018-021700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 60 44 55 N12 30.29R TC 16
FREEPORT* SUNNY 60 47 64 N8 30.31R TC 15
DE KALB* MOSUNNY 59 47 66 N10 30.27R TC 15
ILZ005-006-012>014-019>023-021700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 62 50 64 N13 30.24R TC 17
CHICAGO-MIDWAY PTSUNNY 63 52 67 N13 30.23R TC 17
AURORA MOSUNNY 61 45 55 NE10 30.25R TC 16
JOLIET* PTSUNNY 66 53 63 N8 30.24S TC 19
WAUKEGAN MOSUNNY 61 46 57 N10 30.24R TC 16
DUPAGE AIRPORT MOSUNNY 61 48 62 N9 30.25R TC 16
WHEELING MOSUNNY 61 50 67 N10G16 30.26R TC 16
LANSING* PTSUNNY 63 48 57 NE9 30.23R TC 17
NORTHERLY ISL* N/A 63 53 70 N15 N/A TC 17
LMZ740>746-021700-
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 59 63 340/ 17/ 23 1018.4R 4/ 5
WAUKEGAN HARBOR 59 62 330/ 16/ 21 1022.7R 3/ 4
WILMETTE BUOY 61 10/ 17/ 23 1025.1R 4/ 6
CHICAGO BUOY 62 64 360/ 16/ 23 1022.0R 4/ 6
HARRISON CRIB 61 350/ 18/ 21 N/A
NORTHERLY ISL 63 340/ 10/ 17 N/A
CALUMET HARBOR 63 350/ 12/ 18 1023.1
MICHIGAN CITY 63 20/ 11/ 12 1022.0R
MICH CITY BUOY 62 63 10/ 10/ 14 N/A 4/ 6
ST. JOSEPH BUOY 61 61 40/ 10/ 14 1023.4R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-021700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 63 47 55 NE14 30.25R TC 17
MACOMB* SUNNY 63 48 58 N13 30.29R TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-021700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 63 53 70 NE12 30.23R TC 17
DECATUR PTSUNNY 61 54 77 NE9 30.21R TC 16
PEORIA MOSUNNY 62 48 60 NE7G17 30.25R TC 17
SPRINGFIELD PTSUNNY 64 53 67 N13 30.22R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-021700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 62 53 72 NE15G23 30.20R TC 17
MATTOON CLOUDY 64 58 80 N14 30.18R TC 18
ILZ079-100>102-021700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 63 57 82 N14 30.19R TC 17
CAHOKIA* CLOUDY 66 60 81 N9 30.18S TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-021700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLOUDY 64 60 86 N9 30.19S TC 18
MARION LGT RAIN 63 63 100 N12 30.14R FOG TC 17
MT. VERNON CLOUDY 66 61 84 N9 30.15S TC 19
CENTRALIA* CLOUDY 66 60 81 N10G16 30.17R TC 19
SALEM* CLOUDY 67 62 85 MISG 30.17R TC 19
ILZ067-068-072-073-078-083-087-091-021700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 66 62 87 N10 30.13R TC 19
FAIRFIELD* LGT RAIN 63 62 97 N8 30.14R TC 17
HARRISBURG* RAIN 65 64 99 N7 30.13R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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