519
ASUS43 KLOT 170512
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-170600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 71 62 73 S10 29.83F TC 22
STERLING* CLOUDY 70 62 76 VRB3 29.87F TC 21
SAVANNA* CLOUDY 71 62 73 S8 29.85F TC 22
ILZ003-004-008-010-011-017-018-170600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 62 73 S5 29.88F TC 22
FREEPORT* CLOUDY 69 67 92 SE3 29.89S TC 21
ROCHELLE* CLOUDY 67 59 76 S7 29.89S TC 19
DE KALB* CLOUDY 66 61 84 S9 29.91R TC 19
PERU* CLOUDY 68 61 77 S7 29.90R TC 20
ILZ005-006-012>014-019>023-170600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 71 60 68 S6 29.90R TC 22
CHICAGO-MIDWAY CLOUDY 71 60 68 S8 29.91R TC 22
AURORA CLOUDY 68 60 75 S6 29.90R TC 20
JOLIET* MOCLDY 69 63 80 S3 29.91R TC 21
WAUKEGAN CLOUDY 70 63 78 SW9 29.88S TC 21
DUPAGE AIRPORT CLOUDY 67 61 81 S6 29.90R TC 19
KANKAKEE* CLOUDY 67 62 83 S7 29.94R TC 19
WHEELING CLOUDY 72 63 73 SW5 29.91R TC 22
MORRIS* CLOUDY 66 61 82 S5 29.90R TC 19
ROMEOVILLE* CLOUDY 68 63 83 S12 29.92R TC 20
LANSING* MOCLDY 65 59 83 S6 29.93R TC 18
NORTHERLY ISL* N/A 71 58 63 S5 N/A TC 22
LMZ740>746-170600-
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 1004.8 0
WAUKEGAN HARBOR 60 54 170/ 4/ 4 1012.6 0
HARRISON CRIB 72 200/ 11/ 12 N/A
NORTHERLY ISL 72 220/ 5/ 17 N/A
CALUMET HARBOR 71 190/ 5/ 8 1012.6
BURNS HARBOR 69 190/ 6/ 8 1013.5R
MICHIGAN CITY 71 180/ 10/ 13 1011.4R
ST. JOSEPH BUOY 59 200/ 4/ 6 1013.7R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-170600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 68 65 90 SE13 29.84F TC 20
GALESBURG* CLOUDY 68 61 77 SE5 29.87F TC 20
MACOMB* PTCLDY 68 66 92 S14 29.89R TC 20
JACKSONVILLE* CLOUDY 65 65 100 E3 29.88S TC 19
PITTSFIELD* CLOUDY 67 67 99 E5 29.89S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-170600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 66 64 91 MISG 29.93R TC 19
BLOOMINGTON CLOUDY 65 65 100 SE7 29.93R TC 18
DECATUR N/A N/A N/A N/A MISG 29.91F
PEORIA CLOUDY 67 62 84 S7 29.89F TC 19
LACON* CLOUDY 66 60 81 SE3 29.89S TC 19
LINCOLN* CLOUDY 66 66 100 CALM 29.91R TC 19
SPRINGFIELD CLOUDY 68 63 84 S10 29.89S TC 20
TAYLORVILLE CLOUDY 66 63 88 SE10 29.90F TC 19
ILZ033-039-045-046-055>057-062-063-170600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 63 62 97 E7 29.93S TC 17
DANVILLE* MOCLDY 66 64 92 S6 29.96R TC 19
RANTOUL* MOCLDY 64 63 96 SE5 29.94S TC 18
MATTOON MOCLDY 65 63 93 SE10 29.93S TC 18
PARIS* MOCLDY 64 63 97 SE7 29.96S TC 18
ILZ079-100>102-170600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 64 95 E5 29.90S TC 19
BELLEVILLE MOCLDY 70 68 92 S3 29.87S TC 21
CAHOKIA* MOCLDY 72 65 78 CALM 29.88R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 74 65 73 S7 29.93R TC 23
CAIRO* PTCLDY 76 67 74 S8 29.94S TC 24
EFFINGHAM* MOCLDY 64 64 100 E7 29.96S TC 18
MARION PTCLDY 73 64 74 S8 29.94R TC 23
MT. VERNON MOCLDY 73 65 75 SE3 29.94R TC 23
CENTRALIA* MOCLDY 65 64 97 CALM 29.93S TC 18
SALEM* MOCLDY 68 67 94 SE5 29.93S TC 20
METROPOLIS* PTCLDY 74 67 78 SE6 29.96R TC 24
ILZ067-068-072-073-078-083-087-091-170600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* MOCLDY 66 N/A N/A SE5 29.96R TC 19
FAIRFIELD* MOCLDY 65 65 97 CALM 29.96R TC 19
HARRISBURG* MOCLDY 69 67 93 S5 29.95R TC 21
ROBINSON* MOCLDY 63 63 100 S3 29.96R FOG TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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