472
ASUS43 KLOT 201456
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-201600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 58 44 60 NE13 30.27S TC 14
ILZ003-004-008-010-011-017-018-201600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 58 42 55 N8 30.28S TC 14
PERU* MOSUNNY 59 43 55 NE10 30.26S TC 15
ILZ005-006-012>014-019>023-201600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 59 43 55 N17G24 30.25R TC 15
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 58 46 64 NE15 30.25R TC 14
WAUKEGAN MOSUNNY 56 44 64 NE12 30.27R TC 13
DUPAGE AIRPORT MOSUNNY 57 45 64 NE10 30.25R TC 14
WHEELING PTSUNNY 56 43 61 NE9 30.27S TC 13
MORRIS* PTSUNNY 59 45 58 NE5 30.24S TC 15
ROMEOVILLE* PTSUNNY 59 46 63 NE13G21 30.25R TC 15
NORTHERLY ISL* N/A 55 45 68 N12 N/A TC 13
LMZ740>746-201600-
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 1022.6R 1/ 3
WAUKEGAN HARBOR 50 51 340/ 10/ 14 1023.8R 1/ 2
WILMETTE BUOY 52 40/ 12/ 17 1025.6R 1/ 3
CHICAGO BUOY 53 54 10/ 14/ 17 1023.1R 2/ 3
HARRISON CRIB 52 10/ 13/ 15 N/A
NORTHERLY ISL 55 360/ 7/ 15 N/A
CALUMET HARBOR 54 360/ 10/ 14 1024.3
BURNS HARBOR 50 30/ 6/ 8 1024.4S
MICHIGAN CITY 50 350/ 10/ 11 1023.3R
ST. JOSEPH BUOY 50 360/ 10/ 12 1024.2R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-201600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-201600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 59 49 69 N12 30.22F TC 15
TAYLORVILLE PTSUNNY 57 50 77 N13 30.22F TC 14
ILZ033-039-045-046-055>057-062-063-201600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-201600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 57 48 72 N10 30.22S TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLOUDY 61 57 88 N14 30.17R TC 16
ILZ067-068-072-073-078-083-087-091-201600-
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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