628
ASUS43 KLOT 201156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-201300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 49 42 77 N7 30.26R TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 52;
ILZ003-004-008-010-011-017-018-201300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 49 43 80 NW7 30.27R TC 9
6HR MIN TEMP: 42; 6HR MAX TEMP: 52;
PERU* MOSUNNY 50 45 81 N6 30.24R TC 10
ILZ005-006-012>014-019>023-201300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 53 42 66 N10 30.21R TC 12
6HR MIN TEMP: 52; 6HR MAX TEMP: 59;
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 51 43 74 N8 30.22R TC 11
6HR MIN TEMP: 47; 6HR MAX TEMP: 55;
WAUKEGAN PTSUNNY 49 43 80 N6 30.22R TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 55;
DUPAGE AIRPORT MOSUNNY 51 43 74 N9 30.22R TC 11
6HR MIN TEMP: 49; 6HR MAX TEMP: 57;
WHEELING MOSUNNY 53 42 66 N10 30.23R TC 12
6HR MIN TEMP: 49; 6HR MAX TEMP: 59;
MORRIS* MOSUNNY 52 45 76 N3 30.21R TC 11
ROMEOVILLE* PTSUNNY 55 45 67 N10G17 30.22R TC 13
NORTHERLY ISL* N/A 54 42 64 N14 N/A TC 12
LMZ740>746-201300-
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 47 1021.0R 1
WAUKEGAN HARBOR 51 51 320/ 8/ 12 1022.2R 1
WILMETTE BUOY 53 10/ 14/ 17 1023.6R 1/ 3
CHICAGO BUOY 54 53 340/ 16/ 19 1021.5R 2/ 4
HARRISON CRIB 54 350/ 19/ 21 N/A
CALUMET HARBOR 330/ 9/ 16 1022.7
BURNS HARBOR 53 350/ 5/ 7 1023.4R
MICHIGAN CITY 52 350/ 19/ 20 1021.9R
ST. JOSEPH BUOY 50 360/ 12/ 14 1023.1R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 53 46 77 N8 30.22R TC 12
6HR MIN TEMP: 52; 6HR MAX TEMP: 57;
TAYLORVILLE CLOUDY 54 48 82 N10 30.21R TC 12
ILZ033-039-045-046-055>057-062-063-201300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION LGT RAIN 61 61 100 N12 30.15 TC 16
MT. VERNON CLOUDY 59 55 88 NE3 30.16R TC 15
ILZ067-068-072-073-078-083-087-091-201300-
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
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