422
ASUS43 KLOT 180201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT MON AUG 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.
ILZ001-002-007-009-015-016-024-180300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 68 65 90 CALM 30.02R TC 20
STERLING* PTCLDY 70 66 87 CALM 30.03R TC 21
SAVANNA* CLEAR 74 61 62 W3 30.01S TC 24
ILZ003-004-008-010-011-017-018-180300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 68 62 81 CALM 30.01S TC 20
FREEPORT* CLEAR 69 66 92 CALM 30.03R TC 20
ROCHELLE* CLEAR 67 64 88 SW5 30.03R TC 20
DE KALB* PTCLDY 69 62 76 SW3 30.03R TC 21
ILZ005-006-012>014-019>023-180300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 72 56 57 S7 30.00R TC 22
CHICAGO-MIDWAY MOCLDY 73 56 54 S6 30.00R TC 23
AURORA PTCLDY 69 64 84 CALM 30.01R TC 21
JOLIET* PTCLDY 70 67 89 CALM 30.02R TC 21
WAUKEGAN CLEAR 68 59 73 SW3 29.99R TC 20
DUPAGE AIRPORT PTCLDY 69 62 78 CALM 30.00R TC 21
KANKAKEE* MOCLDY 69 66 90 CALM 30.03R TC 21
WHEELING PTCLDY 72 59 63 S3 30.01S TC 22
LANSING* MOCLDY 67 61 81 CALM 30.02R TC 20
NORTHERLY ISL* N/A 69 60 73 S3 N/A TC 21
LMZ740>746-180300-
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 73 74 170/ 8/ 10 1015.1S 1/ 5
WAUKEGAN HARBOR 74 75 190/ 8/ 10 1016.1S 1/ 5
WILMETTE BUOY 73 200/ 6/ 8 1018.9F 1/ 6
CHICAGO BUOY 74 74 1014.9R 1/ 4
HARRISON CRIB 73 190/ 7/ 8 N/A
NORTHERLY ISL 69 170/ 2/ 3 N/A
CALUMET HARBOR 72 120/ 1/ 2 1016.2R
MICHIGAN CITY 72 220/ 2/ 3 1014.7R
MICH CITY BUOY 73 74 290/ 2/ 4 N/A 2/ 6
ST. JOSEPH BUOY 73 75 330/ 6/ 6 1016.7R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 70 66 87 CALM 30.04S TC 21
GALESBURG* PTCLDY 69 68 97 NW3 30.05R TC 21
JACKSONVILLE* PTCLDY 68 68 100 W3 30.05R TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-180300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 69 66 89 CALM 30.03R TC 21
BLOOMINGTON PTCLDY 71 63 75 NW7 30.05R TC 22
DECATUR PTCLDY 70 62 76 N6 30.03R TC 21
PEORIA PTCLDY 72 65 78 CALM 30.02S TC 22
LACON* PTCLDY 68 63 85 CALM 30.02R TC 20
LINCOLN* PTCLDY 72 66 81 CALM 30.04R TC 22
SPRINGFIELD PTCLDY 70 67 90 CALM 30.03R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 66 64 93 NW5 30.03R TC 19
RANTOUL* PTCLDY 70 64 80 NW6 30.03R TC 21
MATTOON PTCLDY 69 64 84 NW5 30.02R TC 21
PARIS* PTCLDY 70 66 87 NW3 30.03R TC 21
ILZ079-100>102-180300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 72 68 88 N5 30.04R TC 22
BELLEVILLE MOCLDY 76 70 82 CALM 30.01R TC 25
CAHOKIA* PTCLDY 75 66 73 N3 30.03R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 75 66 73 CALM 30.04R TC 24
CAIRO* PTCLDY 74 72 95 CALM 30.05R TC 23
MT. VERNON MOCLDY 70 67 90 CALM 30.04R TC 21
CENTRALIA* MOCLDY 71 70 96 CALM 30.04R TC 22
METROPOLIS* PTCLDY 72 69 90 CALM 30.04R TC 22
ILZ067-068-072-073-078-083-087-091-180300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 72 65 78 NW5 30.02R TC 22
FLORA* MOCLDY 72 66 83 CALM 30.04R TC 22
FAIRFIELD* MOCLDY 69 66 89 CALM 30.03R TC 21
HARRISBURG* MOCLDY 71 67 87 CALM 30.04R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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