965
ASUS43 KLOT 181856
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT MON MAY 18 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.
ILZ001-002-007-009-015-016-024-182000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE NOT AVBL
ILZ003-004-008-010-011-017-018-182000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* CLOUDY 75 64 69 SW15G21 29.86R TC 24
ILZ005-006-012>014-019>023-182000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 78 66 66 S13 29.83R HX 80 TC 26
CHICAGO-MIDWAY NOT AVBL
AURORA NOT AVBL
WAUKEGAN PTSUNNY 78 68 71 S16 29.81R HX 80 TC 26
DUPAGE AIRPORT NOT AVBL
WHEELING NOT AVBL
MORRIS* CLOUDY 73 64 73 S15 29.86R TC 23
ROMEOVILLE* MOSUNNY 77 66 69 SW17 29.87R TC 25
NORTHERLY ISL* N/A 70 68 93 S12 N/A TC 21
LMZ740>746-182000-
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 50 1017.0R 2/ 3
WAUKEGAN HARBOR 58 52 130/ 10/ 14 1010.7R 1/ 3
WILMETTE BUOY 60 180/ 12/ 17 1011.7R 1/ 3
CHICAGO BUOY 60 55 1009.5R 1
HARRISON CRIB 64 160/ 15/ 17 N/A
NORTHERLY ISL 66 140/ 2/ 9 N/A
CALUMET HARBOR 140/ 12/ 17 1010.4
BURNS HARBOR 71 180/ 7/ 10 1011.9F
MICHIGAN CITY 71 180/ 11/ 13 1009.4F
ST. JOSEPH BUOY 59 150/ 8/ 10 1011.5F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-182000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-182000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD NOT AVBL
TAYLORVILLE CLOUDY 66 64 94 SW9 30.02R TC 19
ILZ033-039-045-046-055>057-062-063-182000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-182000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 66 64 94 N6 30.02F TC 19
CAHOKIA* TSTM 67 65 93 N10G20 30.00F TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 75 72 88 SW16G22 30.02R TC 24
MARION PTSUNNY 73 70 88 S9G24 30.01S TC 23
MT. VERNON CLOUDY 81 72 74 SW17G29 29.99F HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-182000-
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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