164
ASUS43 KLOT 170710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-170800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 68 63 84 S5 29.86R TC 20
STERLING* MOCLDY 68 63 84 CALM 29.88F TC 20
SAVANNA* CLOUDY 69 61 77 SE3 29.86S TC 21
ILZ003-004-008-010-011-017-018-170800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 60 75 S7 29.90S TC 20
FREEPORT* CLOUDY 67 64 90 SE7 29.90S TC 20
ROCHELLE* CLOUDY 67 59 75 SE5 29.89F TC 19
DE KALB* CLOUDY 64 61 89 S7 29.91F TC 18
PERU* CLOUDY 66 63 88 S7 29.89S TC 19
ILZ005-006-012>014-019>023-170800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 69 61 75 SW7 29.89S TC 21
CHICAGO-MIDWAY CLOUDY 69 60 73 S7 29.90S TC 21
AURORA CLOUDY 65 61 87 S5 29.89F TC 18
JOLIET* CLOUDY 67 63 87 CALM 29.91F TC 19
WAUKEGAN CLOUDY 68 62 81 SW9 29.88S TC 20
DUPAGE AIRPORT CLOUDY 67 62 84 S6 29.90R TC 19
KANKAKEE* MOCLDY 65 64 94 S8 29.94R TC 19
WHEELING CLOUDY 70 61 73 SW8 29.90S TC 21
MORRIS* CLOUDY 64 61 88 S7 29.89F TC 18
ROMEOVILLE* CLOUDY 64 63 94 S7 29.91F TC 18
LANSING* MOCLDY 66 62 87 S12 29.93R TC 19
NORTHERLY ISL* N/A 70 58 65 S9 N/A TC 21
LMZ740>746-170800-
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 1006.6 0
WAUKEGAN HARBOR 62 54 160/ 6/ 6 1012.7 0
HARRISON CRIB 70 200/ 14/ 17 N/A
NORTHERLY ISL 70 200/ 6/ 9 N/A
CALUMET HARBOR 68 190/ 5/ 8 1012.6
BURNS HARBOR 68 190/ 6/ 8 1013.2F
MICHIGAN CITY 69 180/ 10/ 16 1011.3F
ST. JOSEPH BUOY 59 160/ 2/ 4 1013.6R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
GALESBURG* PTCLDY 67 62 84 SE3 29.89R TC 19
MACOMB* MOCLDY 67 66 97 CALM 29.89S TC 19
JACKSONVILLE* CLOUDY 64 64 100 E5 29.88S TC 18
PITTSFIELD* CLOUDY 66 65 99 CALM 29.88S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-170800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 64 63 97 MISG 29.91F TC 18
BLOOMINGTON CLOUDY 65 64 97 S10 29.93F TC 18
DECATUR N/A N/A N/A N/A MISG 29.92R
PEORIA CLOUDY 68 63 84 S9 29.89S TC 20
LACON* CLOUDY 65 61 85 S5 29.88S TC 19
LINCOLN* CLOUDY 65 65 100 CALM 29.92R TC 19
SPRINGFIELD CLOUDY 68 64 87 SE9 29.89S TC 20
TAYLORVILLE MOCLDY 64 63 94 SE10 29.91S TC 18
ILZ033-039-045-046-055>057-062-063-170800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 63 62 97 SE5 29.94R TC 17
DANVILLE* MOCLDY 64 62 95 SE3 29.96S TC 18
RANTOUL* MOCLDY 62 62 98 SE6 29.95R TC 17
MATTOON MOCLDY 67 64 90 S9 29.93S TC 19
PARIS* MOCLDY 63 62 97 S7 29.95S TC 17
ILZ079-100>102-170800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 66 64 94 E6 29.88F TC 19
BELLEVILLE MOCLDY 69 66 93 S6 29.87F TC 20
CAHOKIA* MOCLDY 70 64 81 SE5 29.87F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 74 66 76 S12 29.92F TC 23
CAIRO* MOCLDY 75 64 69 S7 29.95F TC 24
EFFINGHAM* MOCLDY 66 66 100 SE9 29.95S TC 19
MARION MOCLDY 73 65 75 S13 29.94F TC 23
MT. VERNON MOCLDY 70 65 84 S3 29.93S TC 21
CENTRALIA* MOCLDY 68 66 93 CALM 29.92S TC 20
SALEM* MOCLDY 68 66 94 SE5 29.92F TC 20
METROPOLIS* MOCLDY 73 64 74 SE5 29.97S TC 23
ILZ067-068-072-073-078-083-087-091-170800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* MOCLDY 64 N/A N/A SE7 29.94S HAZE TC 18
FAIRFIELD* MOCLDY 71 66 85 S7 29.94F TC 21
HARRISBURG* MOCLDY 73 66 81 S7 29.96R TC 23
ROBINSON* MOCLDY 64 64 100 S9 29.94F TC 18
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