Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 041403
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT SAT OCT 04 2025
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.
ILZ001-002-007-009-015-016-024-041500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 71 61 70 SW5 30.11S TC 22
$$
ILZ003-004-008-010-011-017-018-041500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 69 61 75 S8 30.13F TC 21
$$
ILZ005-006-012>014-019>023-041500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 72 61 68 SW8 30.14S TC 22
CHICAGO-MIDWAY MOSUNNY 73 59 61 SW9 30.15S TC 23
AURORA SUNNY 69 61 75 SW3 30.15S TC 21
WAUKEGAN SUNNY 73 61 65 SW9 30.12S TC 23
DUPAGE AIRPORT SUNNY 70 61 73 S5 30.15R TC 21
WHEELING SUNNY 72 62 71 SW5 30.15S TC 22
ROMEOVILLE* SUNNY 70 61 73 S8 30.17R TC 21
NORTHERLY ISL* N/A 71 58 63 W10 N/A TC 22
$$
LMZ740>746-041500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 70 69 210/ 10/ 10 1020.0R
HARRISON CRIB 71 210/ 14/ 16 N/A
NORTHERLY ISL 70 260/ 7/ 8 N/A
CALUMET HARBOR 69 200/ 7/ 9 1019.9
BURNS HARBOR 69 190/ 6/ 7 1021.7S
MICHIGAN CITY 70 190/ 8/ 10 1020.1R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-041500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 70 59 68 SW10 30.15R TC 21
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-041500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR SUNNY 71 59 65 SW6 30.20R TC 22
PEORIA SUNNY 70 60 70 S8 30.16S TC 21
SPRINGFIELD SUNNY 72 59 63 SW7 30.17S TC 22
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-041500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 71 61 70 S9 30.20S TC 22
MATTOON SUNNY 70 61 73 S7 30.20S TC 21
$$
ILZ079-100>102-041500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 66 61 82 SE5 30.20R TC 19
BELLEVILLE SUNNY 69 62 80 S3 30.18R TC 20
CAHOKIA* SUNNY 68 60 75 CALM 30.19R TC 20
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-041500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 68 62 81 CALM 30.21R TC 20
MARION SUNNY 68 63 83 S5 30.21S TC 20
$$
ILZ067-068-072-073-078-083-087-091-041500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 68 64 87 S5 30.23R TC 20
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$