Regional Weather Roundup
Issued by NWS
Issued by NWS
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815
ASUS43 KLOT 021556
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 OBSTRUCTIONS 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
$$
ILZ003-004-008-010-011-017-018-021700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 60 44 55 N12 30.29R TC 16
$$
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 NOT AVBL
AURORA MOSUNNY 61 45 55 NE10 30.25R TC 16
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
NORTHERLY ISL* N/A 63 53 70 N15 N/A TC 17
$$
LMZ740>746-021700-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 59 63 340/ 17/ 23 1018.4R 4/ 5
WAUKEGAN HARBOR 59 62 330/ 16/ 21 1022.7R 3/ 4
WILMETTE BUOY 61 10/ 17/ 23 1025.1R 4/ 6
CHICAGO BUOY 62 64 360/ 16/ 23 1022.0R 4/ 6
HARRISON CRIB 61 350/ 19/ 20 N/A
NORTHERLY ISL 63 340/ 10/ 17 N/A
CALUMET HARBOR 350/ 12/ 18 1022.9
MICHIGAN CITY 64 20/ 11/ 12 1021.6R
MICH CITY BUOY 62 63 10/ 10/ 14 N/A 4/ 6
ST. JOSEPH BUOY 61 61 40/ 10/ 14 1023.4R 4/ 5
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-021700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-021700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 64 53 67 N13 30.22R TC 18
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-021700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-021700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 63 57 82 N14 30.19R TC 17
CAHOKIA* CLOUDY 66 60 81 N9 30.18S TC 19
$$
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
MARION LGT RAIN 63 63 100 N12 30.14R FOG TC 17
$$
ILZ067-068-072-073-078-083-087-091-021700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$