484
ASUS43 KLOT 202058
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM 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.
ILZ001-002-007-009-015-016-024-202200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 66 45 46 NE8 30.20F TC 19
ILZ003-004-008-010-011-017-018-202200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 66 39 37 NE9 30.22F TC 19
PERU* SUNNY 70 45 40 E9G16 30.19F TC 21
ILZ005-006-012>014-019>023-202200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 57 35 43 NE20G26 30.25F TC 14
CHICAGO-MIDWAY NOT AVBL
AURORA MOSUNNY 62 44 51 NE16 30.22F TC 17
WAUKEGAN SUNNY 53 33 46 NE15G23 30.28S TC 12
DUPAGE AIRPORT MOSUNNY 58 40 51 NE15G24 30.23F TC 14
WHEELING SUNNY 55 34 45 E14G26 30.29S TC 13
MORRIS* N/A 64 43 45 NE6 30.21F TC 18
ROMEOVILLE* MOSUNNY 63 45 51 NE16G23 30.24F TC 17
NORTHERLY ISL* N/A 54 39 57 MISG N/A TC 12
LMZ740>746-202200-
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 1023.2S 3/ 4
WAUKEGAN HARBOR 49 52 350/ 14/ 17 1024.3S 2/ 4
WILMETTE BUOY 50 60/ 19/ 23 1026.1R 3/ 4
CHICAGO BUOY 51 55 10/ 19/ 25 1023.4F 3/ 4
HARRISON CRIB 50 20/ 20/ 22 N/A
NORTHERLY ISL 55 340/ 10/ 15 N/A
CALUMET HARBOR 340/ 13/ 18 1025.1
BURNS HARBOR 51 20/ 10/ 12 1024.7S
MICHIGAN CITY 51 10/ 22/ 24 1023.8F
ST. JOSEPH BUOY 51 360/ 17/ 21 1025.1F 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-202200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-202200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOSUNNY 69 49 48 NE7 30.16F TC 21
TAYLORVILLE CLOUDY 64 54 68 NE12 30.17F TC 18
ILZ033-039-045-046-055>057-062-063-202200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-202200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 54 63 N10 30.17F TC 19
CAHOKIA* CLOUDY 65 54 67 N13 30.16S TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLOUDY 63 57 82 N10 30.13S TC 17
CENTRALIA* CLOUDY 66 57 73 CALM 30.15F TC 19
ILZ067-068-072-073-078-083-087-091-202200-
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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