025
ASUS43 KLOT 210256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-210400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 58 43 57 E17G25 30.21R TC 14
ILZ003-004-008-010-011-017-018-210400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 51 34 52 E6 30.29R TC 11
PERU* CLEAR 54 37 54 E15 30.25S TC 12
ILZ005-006-012>014-019>023-210400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 49 34 56 NE12 30.27S TC 9
CHICAGO-MIDWAY NOT AVBL
AURORA CLEAR 48 34 58 NE9 30.27R TC 9
WAUKEGAN CLEAR 46 35 65 N7 30.27F TC 8
DUPAGE AIRPORT CLEAR 47 33 58 NE7 30.27S TC 8
WHEELING PTCLDY 47 37 68 N7 30.29S TC 8
NORTHERLY ISL* N/A 49 36 61 N12 N/A TC 9
LMZ740>746-210400-
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 1022.8F 3/ 4
WAUKEGAN HARBOR 49 49 340/ 14/ 16 1024.0R 2/ 5
WILMETTE BUOY 50 50/ 17/ 23 1025.7R 3/ 4
CHICAGO BUOY 51 54 10/ 17/ 23 1023.6R 3/ 5
HARRISON CRIB 50 10/ 18/ 19 N/A
NORTHERLY ISL 49 350/ 13/ 15 N/A
CALUMET HARBOR 51 350/ 12/ 15 1025.2
BURNS HARBOR 50 30/ 8/ 9 1025.1S
MICHIGAN CITY 50 30/ 15/ 16 1024.3R
ST. JOSEPH BUOY 51 20/ 14/ 17 1025.3R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-210400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-210400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD LGT RAIN 59 44 57 NE10 30.20R TC 15
TAYLORVILLE MOCLDY 61 45 55 NE13 30.19R TC 16
ILZ033-039-045-046-055>057-062-063-210400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-210400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 63 55 77 VRB5 30.16R TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-210400-
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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page