118
ASUS43 KLOT 170801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-170900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 67 64 90 W7 29.87R TC 19
STERLING* MOCLDY 68 62 81 VRB3 29.89R TC 20
SAVANNA* LGT RAIN 69 62 78 S7 29.87R TC 20
ILZ003-004-008-010-011-017-018-170900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 67 60 78 SE3 29.89F TC 19
FREEPORT* CLOUDY 67 65 94 S5 29.90R TC 19
DE KALB* CLOUDY 64 62 93 SE6 29.91S TC 18
PERU* CLOUDY 66 63 88 S7 29.89S TC 19
ILZ005-006-012>014-019>023-170900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 69 61 75 S7 29.89S TC 21
CHICAGO-MIDWAY CLOUDY 68 61 78 S3 29.90S TC 20
AURORA CLOUDY 64 62 93 CALM 29.89S TC 18
JOLIET* CLOUDY 66 64 91 S5 29.91R TC 19
WAUKEGAN CLOUDY 68 61 78 SW10 29.88S TC 20
DUPAGE AIRPORT CLOUDY 65 62 90 S5 29.89F TC 18
KANKAKEE* MOCLDY 65 64 95 S8G16 29.93R TC 18
WHEELING CLOUDY 69 62 78 SW6 29.91R TC 21
MORRIS* CLOUDY 64 63 94 S6 29.90R TC 18
LANSING* MOCLDY 64 62 92 S7 29.92R TC 18
NORTHERLY ISL* N/A 68 60 75 S6 N/A TC 20
LMZ740>746-170900-
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 1009.2R 0
WAUKEGAN HARBOR 63 54 180/ 6/ 8 1012.9R 0
HARRISON CRIB 70 210/ 15/ 16 N/A
NORTHERLY ISL 69 220/ 6/ 10 N/A
CALUMET HARBOR 68 180/ 7/ 11 1012.6
BURNS HARBOR 67 190/ 8/ 10 1013.2S
MICHIGAN CITY 68 190/ 8/ 11 1011.6R
ST. JOSEPH BUOY 58 160/ 4/ 4 1013.8R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 66 65 96 SE7 29.84 TC 19
GALESBURG* PTCLDY 66 63 87 SE3 29.87F TC 19
MACOMB* MOCLDY 66 66 97 CALM 29.87F TC 19
JACKSONVILLE* CLOUDY 65 65 100 SE6 29.88S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-170900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 64 64 100 S9 29.93S TC 18
DECATUR N/A N/A N/A N/A MISG 29.92S
PEORIA CLOUDY 67 63 87 S5 29.89S TC 19
SPRINGFIELD CLOUDY 68 64 87 SE8 29.89S TC 20
TAYLORVILLE MOCLDY 64 63 94 SE8 29.91S TC 18
ILZ033-039-045-046-055>057-062-063-170900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 61 61 100 SE6 29.94S TC 16
DANVILLE* MOCLDY 64 63 94 SE5 29.96S TC 18
MATTOON MOCLDY 66 64 93 S7 29.93S TC 19
PARIS* MOCLDY 64 64 97 S7 29.97R TC 18
ILZ079-100>102-170900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 65 64 96 E5 29.90R FOG TC 18
BELLEVILLE MOCLDY 68 66 93 S7 29.87S TC 20
CAHOKIA* MOCLDY 70 64 81 S3 29.88R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 73 66 78 S10 29.92S TC 23
CAIRO* MOCLDY 74 63 66 S8 29.95S TC 24
EFFINGHAM* MOCLDY 65 65 100 E7 29.95F TC 18
MARION MOCLDY 73 64 72 S14 29.94S TC 23
MT. VERNON MOCLDY 70 66 87 S5 29.93S TC 21
CENTRALIA* MOCLDY 69 66 88 CALM 29.92S TC 21
SALEM* MOCLDY 68 66 93 SE3 29.93R TC 20
ILZ067-068-072-073-078-083-087-091-170900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* MOCLDY 66 N/A N/A SE6 29.94S TC 19
FAIRFIELD* MOCLDY 70 66 86 S6 29.94S TC 21
HARRISBURG* MOCLDY 73 64 74 S8 29.95S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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