271
ASUS43 KLOT 170906
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-171000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 67 65 93 SE6 29.83F TC 19
STERLING* CLOUDY 65 63 93 CALM 29.88F TC 18
SAVANNA* CLOUDY 68 62 83 CALM 29.85F TC 20
ILZ003-004-008-010-011-017-018-171000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 65 60 84 E3 29.89S TC 18
FREEPORT* MOCLDY 67 64 90 S5 29.90S TC 20
ROCHELLE* CLOUDY 65 60 85 CALM 29.89F TC 18
DE KALB* CLOUDY 62 61 95 S5 29.91S TC 17
PERU* CLOUDY 64 63 94 S6 29.88F TC 18
ILZ005-006-012>014-019>023-171000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 68 61 78 S7 29.88F TC 20
CHICAGO-MIDWAY CLOUDY 67 63 87 S8 29.90S TC 19
AURORA CLOUDY 63 61 93 SE5 29.89S TC 17
JOLIET* MOCLDY 65 64 96 SE3 29.91S TC 19
WAUKEGAN CLOUDY 66 62 87 SW6 29.88S TC 19
DUPAGE AIRPORT CLOUDY 66 62 87 S8 29.89S TC 19
KANKAKEE* MOCLDY 64 63 94 S8 29.93S TC 18
WHEELING CLOUDY 68 62 81 S5 29.90F TC 20
MORRIS* MOCLDY 63 63 100 S6 29.89F TC 17
ROMEOVILLE* MOCLDY 64 64 100 SE7 29.92S TC 18
LANSING* MOCLDY 64 62 94 S6 29.92S TC 18
NORTHERLY ISL* N/A 68 61 78 S10 N/A TC 20
LMZ740>746-171000-
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 1008.2 0
WAUKEGAN HARBOR 59 54 110/ 4/ 4 1012.6 0
HARRISON CRIB 70 200/ 18/ 19 N/A
NORTHERLY ISL 68 190/ 8/ 9 N/A
CALUMET HARBOR 67 190/ 5/ 7 1012.9R
BURNS HARBOR 67 190/ 7/ 8 1013.9R
MICHIGAN CITY 67 180/ 7/ 9 1012.2R
ST. JOSEPH BUOY 57 150/ 2/ 2 1014.1R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-171000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 66 64 93 SE7 29.84S TC 19
GALESBURG* CLOUDY 66 63 89 SE7 29.86S TC 19
MACOMB* CLOUDY 66 65 97 CALM 29.88R TC 19
JACKSONVILLE* CLOUDY 67 67 100 SE7 29.88S TC 19
PITTSFIELD* CLOUDY 67 66 99 SE5 29.89R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-171000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 64 63 97 MISG 29.90F TC 18
BLOOMINGTON CLOUDY 65 65 100 S12 29.92F TC 18
DECATUR N/A N/A N/A N/A MISG 29.92S
PEORIA CLOUDY 67 64 90 S9 29.88F TC 19
LACON* CLOUDY 65 62 87 S5 29.87F TC 19
LINCOLN* MOCLDY 65 65 100 S3 29.90F TC 18
SPRINGFIELD MOCLDY 67 64 90 S9 29.89S TC 19
TAYLORVILLE MOCLDY 64 63 94 SE6 29.92S TC 18
ILZ033-039-045-046-055>057-062-063-171000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 65 63 93 S10 29.94S TC 18
DANVILLE* MOCLDY 65 63 94 S6 29.96S TC 18
RANTOUL* MOCLDY 61 60 98 SE3 29.94S FOG TC 16
MATTOON PTCLDY 65 64 97 SE6 29.93S TC 18
PARIS* PTCLDY 64 63 97 SE7 29.96S TC 18
ILZ079-100>102-171000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 64 62 96 E3 29.92R FOG TC 18
BELLEVILLE MOCLDY 68 66 93 S3 29.89R TC 20
CAHOKIA* MOCLDY 65 63 93 CALM 29.90R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 72 63 73 S12 29.92S TC 22
CAIRO* MOCLDY 73 61 66 S10 29.95S TC 23
EFFINGHAM* PTCLDY 66 66 100 SE7 29.96S TC 19
MARION MOCLDY 72 62 70 S14 29.94S TC 22
MT. VERNON MOCLDY 69 65 86 S5 29.94R TC 21
CENTRALIA* MOCLDY 67 65 93 CALM 29.93R TC 20
SALEM* MOCLDY 68 67 95 SE3 29.93S TC 20
METROPOLIS* MOCLDY 71 61 70 SE6 29.97S TC 22
ILZ067-068-072-073-078-083-087-091-171000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* PTCLDY 66 N/A N/A SE7 29.95S TC 19
FAIRFIELD* PTCLDY 70 64 83 S7 29.95R TC 21
HARRISBURG* MOCLDY 73 63 71 S8 29.96R TC 23
ROBINSON* PTCLDY 66 66 100 S6 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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