291
ASUS43 KLOT 171011
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-171100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 67 65 93 CALM 29.85R TC 19
STERLING* CLOUDY 66 64 93 E9 29.84F TC 19
SAVANNA* CLOUDY 66 63 88 SE3 29.85R TC 19
ILZ003-004-008-010-011-017-018-171100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 65 61 87 E5 29.87F TC 18
FREEPORT* MOCLDY 65 63 95 SE6 29.87F TC 18
ROCHELLE* CLOUDY 63 59 87 SE6 29.87F TC 17
DE KALB* CLOUDY 62 62 100 SE6 29.90S TC 17
PERU* CLOUDY 64 63 94 SE6 29.88F TC 18
ILZ005-006-012>014-019>023-171100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 67 62 84 S7 29.88S TC 19
CHICAGO-MIDWAY MOCLDY 67 62 84 S8 29.90S TC 19
AURORA MOCLDY 62 61 96 SE3 29.89S TC 17
JOLIET* MOCLDY 64 64 99 CALM 29.91S TC 18
WAUKEGAN MOCLDY 63 61 93 CALM 29.89R TC 17
DUPAGE AIRPORT MOCLDY 64 62 93 S7 29.89S TC 18
KANKAKEE* PTCLDY 64 63 95 S9 29.93R TC 18
WHEELING MOCLDY 68 62 81 SW5 29.90S TC 20
MORRIS* MOCLDY 63 63 100 S6 29.89S TC 17
ROMEOVILLE* MOCLDY 63 63 100 SE8 29.91S TC 17
LANSING* PTCLDY 63 61 93 SW6 29.92S TC 17
NORTHERLY ISL* N/A 68 61 78 S7 N/A TC 20
LMZ740>746-171100-
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 1004.9 1
WAUKEGAN HARBOR 58 54 CALM / 2 1013.3 0
HARRISON CRIB 68 190/ 11/ 12 N/A
NORTHERLY ISL 68 190/ 7/ 10 N/A
CALUMET HARBOR 67 190/ 6/ 9 1012.7
BURNS HARBOR 67 180/ 7/ 9 1013.5F
MICHIGAN CITY 67 170/ 12/ 15 1011.4F
ST. JOSEPH BUOY 58 140/ 6/ 6 1013.9F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-171100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 68 64 87 S10 29.84S TC 20
GALESBURG* MOCLDY 65 63 91 SE5 29.85F TC 19
MACOMB* MOCLDY 65 65 99 CALM 29.85F TC 19
JACKSONVILLE* MOCLDY 68 67 99 S10 29.87F TC 20
PITTSFIELD* MOCLDY 67 67 98 S8 29.87F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-171100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 64 63 97 MISG 29.91S TC 18
BLOOMINGTON MOCLDY 65 65 100 S10 29.93R TC 18
DECATUR N/A N/A N/A N/A MISG 29.93R
PEORIA MOCLDY 68 64 87 S8 29.87F TC 20
LACON* MOCLDY 66 62 87 CALM 29.87S TC 19
LINCOLN* MOCLDY 65 65 100 S7 29.90F TC 19
SPRINGFIELD MOCLDY 68 64 87 S14 29.88F TC 20
TAYLORVILLE MOCLDY 64 63 94 S7 29.92S TC 18
ILZ033-039-045-046-055>057-062-063-171100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 64 63 96 S9 29.95R TC 18
DANVILLE* MOCLDY 66 64 93 S8 29.97R TC 19
RANTOUL* PTCLDY 61 60 98 S3 29.95R FOG TC 16
MATTOON MOCLDY 66 64 93 S6 29.94R TC 19
PARIS* MOCLDY 64 63 97 SE6 29.97R FOG TC 18
ILZ079-100>102-171100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE MOCLDY 65 64 97 CALM 29.91R TC 18
CAHOKIA* MOCLDY 64 63 96 SE5 29.91R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 72 62 71 S7 29.94R TC 22
CAIRO* PTCLDY 72 62 69 S9G16 29.96R TC 22
EFFINGHAM* MOCLDY 66 66 100 SE7 29.97R TC 19
MARION MOCLDY 71 60 68 S9 29.96R TC 22
MT. VERNON MOCLDY 68 64 87 CALM 29.96R TC 20
CENTRALIA* MOCLDY 69 65 88 CALM 29.95R TC 21
SALEM* MOCLDY 68 67 96 SE3 29.95R TC 20
METROPOLIS* MOCLDY 71 61 70 SE6 29.97S TC 22
ILZ067-068-072-073-078-083-087-091-171100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* PTCLDY 66 N/A N/A S6 29.96R HAZE TC 19
FAIRFIELD* MOCLDY 70 63 77 S6 29.96R TC 21
HARRISBURG* MOCLDY 72 62 68 S6 29.97R TC 22
ROBINSON* PTCLDY 66 66 100 S7 29.96R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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