733
ASUS43 KLOT 170509
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT SAT OCT 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.
ILZ001-002-007-009-015-016-024-170600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 44 36 73 NW6 30.49R TC 7
STERLING* CLEAR 42 33 70 N5 30.49R TC 6
SAVANNA* CLEAR 40 32 73 N6 30.50R TC 5
ILZ003-004-008-010-011-017-018-170600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 40 32 73 N8 30.49R TC 4
FREEPORT* CLEAR 38 34 85 N3 30.51R TC 4
ROCHELLE* CLEAR 40 33 75 N9 30.47S TC 5
DE KALB* CLEAR 40 35 80 N10 30.46R TC 5
ILZ005-006-012>014-019>023-170600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 43 33 68 N12G22 30.42R TC 6
CHICAGO-MIDWAY PTCLDY 46 35 65 N14 30.41R TC 8
AURORA CLEAR 42 36 79 N9 30.44R TC 6
JOLIET* CLEAR 46 38 74 N10 30.44R TC 8
WAUKEGAN CLEAR 42 30 62 N7 30.43R TC 6
DUPAGE AIRPORT CLEAR 42 34 73 N12 30.44R TC 6
KANKAKEE* CLEAR 46 36 69 N13 30.42R TC 8
WHEELING PTCLDY 43 33 68 N10 30.44R TC 6
ROMEOVILLE* CLEAR 45 36 70 N13G21 30.44R TC 7
LANSING* MOCLDY 47 37 67 N14G25 30.40R TC 9
NORTHERLY ISL* N/A 49 39 68 NW9 N/A TC 9
LMZ740>746-170600-
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 47 55 1017.7F
WAUKEGAN HARBOR 45 52 300/ 17/ 21 1028.6R 5/ 6
WILMETTE BUOY 51 1026.8F 8/ 6
CHICAGO BUOY 53 61 1027.9R 7/ 9
HARRISON CRIB 51 360/ 27/ 31 N/A
NORTHERLY ISL 50 340/ 10/ 24 N/A
CALUMET HARBOR 50 350/ 20/ 28 1029.2
MICHIGAN CITY 50 20/ 28/ 31 1027.6R
MICH CITY BUOY 51 60 20/ 23/ 33 N/A 10/ 8
ST. JOSEPH BUOY 50 59 20/ 23/ 31 1029.9R 10/ 9
ILZ025>027-034>036-040-047-049-050-058-095>099-170600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 43 38 82 NW8 30.50R TC 6
GALESBURG* CLEAR 40 38 93 NW3 30.50R TC 5
MACOMB* CLEAR 43 40 88 N10 30.52R TC 6
JACKSONVILLE* PTCLDY 45 40 82 NW7 30.47R TC 7
PITTSFIELD* CLEAR 46 39 78 NW7 30.49S TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-170600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 45 38 77 N10G16 30.44R TC 7
BLOOMINGTON CLEAR 44 39 82 N12 30.44R TC 7
DECATUR CLEAR 47 41 80 N14 30.42R TC 8
PEORIA CLEAR 44 38 79 VRB5 30.46R TC 7
LACON* CLEAR 43 35 73 N3 30.46R TC 6
SPRINGFIELD PTCLDY 48 41 76 NW9 30.45R TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 44 39 82 N10 30.40R TC 7
RANTOUL* CLEAR 44 40 85 NW9 30.41R TC 7
MATTOON PTCLDY 47 42 83 N13 30.39R TC 8
PARIS* MOCLDY 47 40 79 N9 30.38R TC 8
ILZ079-100>102-170600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 50 44 79 NW5 30.45S TC 10
BELLEVILLE CLOUDY 52 48 86 NW13 30.42S TC 11
CAHOKIA* CLOUDY 51 44 77 N14G23 30.45S TC 11
SPARTA* CLOUDY 51 46 82 N13 30.43S TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 51 47 86 N10 30.40R TC 11
CAIRO* CLEAR 52 48 86 N12 30.38F TC 11
EFFINGHAM* CLOUDY 50 41 71 NW10G18 30.41R TC 10
MARION MOCLDY 52 45 76 VRB7 30.39S TC 11
MT. VERNON MOCLDY 51 44 77 VRB6 30.40R TC 11
CENTRALIA* CLEAR 50 45 83 NW10 30.41R TC 10
SALEM* CLEAR 50 45 82 MISG 30.41R TC 10
METROPOLIS* CLEAR 51 45 82 NW9 30.37F TC 10
ILZ067-068-072-073-078-083-087-091-170600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 49 45 86 N12 30.35R TC 9
FLORA* PTCLDY 50 43 76 N16G22 30.39R TC 10
FAIRFIELD* PTCLDY 51 44 75 N9 30.38R TC 11
HARRISBURG* PTCLDY 50 48 90 NW6 30.38S TC 10
ROBINSON* PTCLDY 50 45 81 N12 30.36R TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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