183
ASUS43 KLOT 170612
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-170700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 43 36 76 CALM 30.50R TC 6
6HR MIN TEMP: 42; 6HR MAX TEMP: 50;
STERLING* CLEAR 41 32 70 N6 30.50R TC 5
SAVANNA* CLEAR 39 33 77 N5 30.50S TC 4
ILZ003-004-008-010-011-017-018-170700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 37 32 82 N5 30.49S WCI 33 TC 3
6HR MIN TEMP: 37; 6HR MAX TEMP: 49;
FREEPORT* CLEAR 38 34 87 NW5 30.51S WCI 34 TC 3
ROCHELLE* CLEAR 39 32 75 N8 30.48S WCI 34 TC 4
DE KALB* CLEAR 39 34 82 N7 30.47R WCI 34 TC 4
ILZ005-006-012>014-019>023-170700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 42 30 62 N14 30.43R TC 6
6HR MIN TEMP: 42; 6HR MAX TEMP: 49;
CHICAGO-MIDWAY PTCLDY 44 33 65 N14 30.43R TC 7
6HR MIN TEMP: 44; 6HR MAX TEMP: 52; 6HR PCP: 0.01;
AURORA CLEAR 42 31 64 N10 30.45R TC 6
6HR MIN TEMP: 40; 6HR MAX TEMP: 48;
JOLIET* CLEAR 45 33 64 N8 30.45R TC 7
WAUKEGAN CLEAR 41 29 62 NW7 30.44R TC 5
6HR MIN TEMP: 41; 6HR MAX TEMP: 48;
DUPAGE AIRPORT CLEAR 41 30 65 N10 30.45R TC 5
6HR MIN TEMP: 41; 6HR MAX TEMP: 49;
KANKAKEE* CLEAR 44 36 74 N10 30.43R TC 7
WHEELING CLEAR 42 30 62 N10 30.46R TC 6
6HR MIN TEMP: 42; 6HR MAX TEMP: 49;
ROMEOVILLE* CLEAR 43 34 70 N9G15 30.45R TC 6
LANSING* PTCLDY 47 34 59 N13G21 30.41R TC 9
NORTHERLY ISL* N/A 47 38 71 NW12 N/A TC 8
LMZ740>746-170700-
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 46 55 1018.6
WAUKEGAN HARBOR 45 53 310/ 17/ 23 1028.9 5/ 8
WILMETTE BUOY 49 1025.3F 8/ 9
CHICAGO BUOY 49 60 340/ 23/ 33 1028.5 6/ 8
HARRISON CRIB 49 340/ 28/ 31 N/A
NORTHERLY ISL 48 310/ 11/ 20 N/A
CALUMET HARBOR 49 360/ 15/ 22 1029.5
MICHIGAN CITY 50 20/ 27/ 31 1028.0R
MICH CITY BUOY 50 60 20/ 21/ 29 N/A 10/ 9
ST. JOSEPH BUOY 49 60 30/ 21/ 27 1030.1R 8/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-170700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 41 38 89 NW7 30.50S TC 5
GALESBURG* CLEAR 38 37 99 CALM 30.51R TC 3
MACOMB* CLEAR 41 39 91 N8 30.53R TC 5
JACKSONVILLE* CLEAR 43 38 84 NW7 30.48S TC 6
PITTSFIELD* CLEAR 45 38 78 NW8 30.50S TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-170700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 43 38 82 N9 30.45R TC 6
BLOOMINGTON CLEAR 43 38 82 N12 30.45R TC 6
DECATUR CLEAR 46 40 79 N13 30.44R TC 8
PEORIA CLEAR 43 36 76 N5 30.48R TC 6
6HR MIN TEMP: 43; 6HR MAX TEMP: 51;
LACON* CLEAR 42 34 72 N3 30.48R TC 6
SPRINGFIELD CLEAR 46 39 76 N9 30.47R TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 51; 6HR PCP: TRACE;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 44 38 79 N12 30.41R TC 7
RANTOUL* CLEAR 43 39 87 N10 30.42R TC 6
MATTOON CLEAR 45 40 82 N12 30.40R TC 7
PARIS* CLEAR 45 40 82 N8 30.40R TC 7
ILZ079-100>102-170700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 49 42 77 NW8 30.47R TC 10
BELLEVILLE PTCLDY 50 46 87 NW10 30.43R TC 10
CAHOKIA* CLOUDY 51 43 74 N13 30.46R TC 11
SPARTA* CLOUDY 50 45 81 N8 30.43F TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 51 48 87 N14 30.39R TC 11
EFFINGHAM* PTCLDY 49 40 71 NW10G17 30.43R TC 9
MARION CLOUDY 52 45 76 N9 30.40R TC 11
MT. VERNON PTCLDY 50 43 77 VRB5 30.41R TC 10
CENTRALIA* CLEAR 49 45 85 N7 30.42S TC 10
SALEM* PTCLDY 49 45 84 MISG 30.42S TC 10
METROPOLIS* CLEAR 50 45 82 NW8 30.38R TC 10
ILZ067-068-072-073-078-083-087-091-170700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 49 43 80 N15 30.37R TC 9
FLORA* PTCLDY 50 43 76 N10G20 30.40S TC 10
FAIRFIELD* CLEAR 50 42 73 N7 30.39R TC 10
HARRISBURG* PTCLDY 50 46 86 N7 30.39S TC 10
ROBINSON* CLEAR 48 43 81 N9 30.37R TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page