533
ASUS43 KLOT 171101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT SUN MAY 17 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.
ILZ001-002-007-009-015-016-024-171200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 66 64 93 SE7 29.83F TC 19
STERLING* CLOUDY 66 64 93 NE7 29.84S TC 19
SAVANNA* DRIZZLE 66 62 89 E15 29.76F TC 19
ILZ003-004-008-010-011-017-018-171200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 65 61 87 VRB3 29.87S TC 18
FREEPORT* MOCLDY 65 64 95 CALM 29.90R TC 19
DE KALB* CLOUDY 63 62 99 SE5 29.89S TC 17
PERU* CLOUDY 64 63 94 S8 29.87F TC 18
ILZ005-006-012>014-019>023-171200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 66 62 87 S5 29.89R TC 19
CHICAGO-MIDWAY MOCLDY 67 63 87 S8 29.90S TC 19
AURORA MOCLDY 63 62 97 SE8 29.88F FOG TC 17
JOLIET* MOCLDY 65 65 97 SE5 29.90F TC 19
WAUKEGAN MOCLDY 55 49 80 NE7 29.92R TC 13
DUPAGE AIRPORT MOCLDY 64 62 93 SE6 29.88F TC 18
KANKAKEE* PTCLDY 65 64 95 S12 29.92F TC 18
WHEELING MOCLDY 66 63 90 CALM 29.91R TC 19
MORRIS* MOCLDY 63 63 100 SE7 29.88F FOG TC 17
ROMEOVILLE* CLEAR 64 64 100 SE9 29.90F TC 18
LANSING* PTCLDY 64 62 93 S6 29.93S TC 18
NORTHERLY ISL* N/A 68 61 78 S5 N/A TC 20
LMZ740>746-171200-
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 49 1002.7F 2/ 3
WAUKEGAN HARBOR 53 54 340/ 14/ 17 1013.8R 1/ 2
HARRISON CRIB 67 180/ 10/ 11 N/A
NORTHERLY ISL 67 200/ 5/ 10 N/A
CALUMET HARBOR 66 190/ 5/ 7 1012.9
BURNS HARBOR 66 180/ 7/ 9 1013.9R
MICHIGAN CITY 67 170/ 11/ 14 1012.1R
ST. JOSEPH BUOY 58 160/ 4/ 6 1014.5R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-171200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 68 64 87 S12 29.84S TC 20
GALESBURG* MOCLDY 65 63 92 S6 29.86R TC 19
MACOMB* MOCLDY 65 65 99 CALM 29.87R TC 19
JACKSONVILLE* MOCLDY 68 67 97 S10G16 29.87R TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-171200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 65 65 100 S14 29.91F TC 18
DECATUR MOCLDY 66 64 93 S15 29.92F TC 19
PEORIA MOCLDY 67 64 90 S9 29.86F TC 19
SPRINGFIELD MOCLDY 68 64 87 S14 29.87F TC 20
TAYLORVILLE MOCLDY 66 64 94 S9 29.91F TC 19
ILZ033-039-045-046-055>057-062-063-171200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 65 64 97 SE12 29.94F FOG TC 18
DANVILLE* MOCLDY 65 64 96 S10 29.97S TC 19
MATTOON MOCLDY 65 64 97 SE6 29.94S FOG TC 18
PARIS* MOCLDY 64 63 98 SE6 29.99R FOG TC 18
ILZ079-100>102-171200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 65 63 92 SE8 29.91S TC 19
BELLEVILLE MOCLDY 66 65 97 S3 29.91S TC 19
CAHOKIA* MOCLDY 66 63 90 S5 29.91S TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 70 62 76 SE6 29.96R TC 21
CAIRO* PTCLDY 71 62 71 S8 29.97S TC 22
EFFINGHAM* MOCLDY 67 67 100 SE7 29.97S TC 19
MARION MOCLDY 70 60 70 S7 29.98R TC 21
MT. VERNON MOCLDY 69 63 81 S5 29.97R TC 21
CENTRALIA* MOCLDY 69 65 86 CALM 29.96S TC 21
SALEM* MOCLDY 69 67 95 SE6 29.96S TC 20
ILZ067-068-072-073-078-083-087-091-171200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* PTCLDY 66 N/A N/A S7 29.97S TC 19
FAIRFIELD* MOCLDY 69 62 78 S5 29.98R TC 21
HARRISBURG* MOCLDY 71 61 71 S6 29.99R TC 22
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