342
ASUS43 KLOT 151958
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT FRI MAY 15 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.
ILZ001-002-007-009-015-016-024-152100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 79 56 45 S12G21 29.78F HX 80 TC 26
ILZ003-004-008-010-011-017-018-152100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 79 53 40 S12G25 29.82F TC 26
PERU* SUNNY 77 52 41 S17 29.84F TC 25
ILZ005-006-012>014-019>023-152100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 71 48 43 S18G25 29.86F TC 22
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 76 51 41 SE18G29 29.84F TC 24
WAUKEGAN SUNNY 72 51 47 S20G26 29.84F TC 22
DUPAGE AIRPORT SUNNY 72 51 47 S15G25 29.85F TC 22
WHEELING SUNNY 71 48 43 S20G26 29.87F TC 22
MORRIS* SUNNY 75 48 38 S18 29.86F TC 24
ROMEOVILLE* SUNNY 68 48 49 S17G28 29.88F TC 20
NORTHERLY ISL* N/A 69 44 40 S9 N/A TC 21
LMZ740>746-152100-
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 1010.4F 2/ 4
WAUKEGAN HARBOR 60 50 170/ 12/ 17 1011.7F 2/ 4
HARRISON CRIB 64 190/ 23/ 25 N/A
NORTHERLY ISL 68 200/ 11/ 21 N/A
CALUMET HARBOR 160/ 16/ 24 1012.2
BURNS HARBOR 67 180/ 10/ 14 1013.5F
MICHIGAN CITY 65 170/ 15/ 19 1011.9F
ST. JOSEPH BUOY 58 180/ 12/ 16 1014.1F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-152100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-152100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 77 59 53 S15 29.85F TC 25
TAYLORVILLE SUNNY 75 59 57 S10 29.88S TC 24
ILZ033-039-045-046-055>057-062-063-152100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-152100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 59 44 S17 29.84F HX 82 TC 28
CAHOKIA* MOSUNNY 84 59 42 S10G21 29.83F HX 84 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 82 55 39 S18G28 29.90F HX 81 TC 28
MARION MOSUNNY 81 55 41 S12G23 29.92F HX 80 TC 27
ILZ067-068-072-073-078-083-087-091-152100-
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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