325
ASUS43 KLOT 200706
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT WED MAY 20 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.
ILZ001-002-007-009-015-016-024-200800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 51 42 71 NW7 30.19F TC 11
ILZ003-004-008-010-011-017-018-200800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 50 43 77 NW8 30.17F TC 10
FREEPORT* PTCLDY 48 47 94 NW6 30.20F TC 9
PERU* CLOUDY 55 46 71 NW12 30.17S TC 13
ILZ005-006-012>014-019>023-200800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 58 45 62 N14 30.12F TC 14
CHICAGO-MIDWAY CLOUDY 60 50 69 NW10 30.12F TC 16
AURORA PTCLDY 52 48 86 N9 30.14F TC 11
WAUKEGAN CLEAR 53 45 74 NW5 30.14F TC 12
DUPAGE AIRPORT CLOUDY 55 46 71 NW12 30.13F TC 13
WHEELING CLOUDY 57 46 66 N13 30.15S TC 14
MORRIS* CLOUDY 55 48 76 NW7 30.13F TC 13
LANSING* CLOUDY 59 52 75 N3 30.13S TC 15
NORTHERLY ISL* N/A 58 48 69 N12 N/A TC 14
LMZ740>746-200800-
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 48 1019.0 1
WAUKEGAN HARBOR 54 51 310/ 8/ 12 1020.3 1
WILMETTE BUOY 56 20/ 12/ 16 1021.3F 1/ 2
CHICAGO BUOY 56 53 360/ 14/ 17 1018.9R 1/ 2
HARRISON CRIB 57 350/ 16/ 18 N/A
NORTHERLY ISL 61 310/ 8/ 13 N/A
CALUMET HARBOR 62 320/ 4/ 7 1020.1
BURNS HARBOR 57 60/ 4/ 5 1020.7F
MICHIGAN CITY 56 40/ 6/ 6 1019.3F
ST. JOSEPH BUOY 53 320/ 4/ 6 1020.6F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-200800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-200800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR MOCLDY 58 52 80 MISG 30.14S TC 14
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 56 48 74 N12 30.16S TC 13
TAYLORVILLE PTCLDY 57 54 88 N12 30.14F TC 14
ILZ033-039-045-046-055>057-062-063-200800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 57 53 86 N9 30.12F TC 14
MATTOON CLOUDY 60 55 83 N8 30.13R TC 16
ILZ079-100>102-200800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLOUDY 62 58 86 N13 30.12 TC 17
CAHOKIA* CLOUDY 61 55 81 N12 30.15R TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-200800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 67 65 93 N8 30.07F TC 19
FAIRFIELD* CLOUDY 66 62 86 N8 30.09S TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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