271
ASUS43 KLOT 201806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT SAT JUN 20 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.
ILZ001-002-007-009-015-016-024-201900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 76 54 46 NW13G18 29.98F TC 24
6HR MIN TEMP: 61; 6HR MAX TEMP: 76;
STERLING* MOSUNNY 74 55 51 W9 29.99F TC 23
SAVANNA* SUNNY 74 52 44 NW9 29.99F TC 24
ILZ003-004-008-010-011-017-018-201900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 73 53 49 NW14 29.98F TC 23
6HR MIN TEMP: 60; 6HR MAX TEMP: 73;
FREEPORT* MOSUNNY 73 55 53 NW13G18 30.00F TC 23
ROCHELLE* SUNNY 73 51 46 NW12 29.99S TC 23
DE KALB* MOSUNNY 73 54 52 NW8 29.99S TC 23
PERU* SUNNY 75 55 50 NW12 29.99F TC 24
ILZ005-006-012>014-019>023-201900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 74 50 42 NW17G29 29.94F TC 23
6HR MIN TEMP: 63; 6HR MAX TEMP: 75;
CHICAGO-MIDWAY MOSUNNY 74 50 42 NW12G21 29.95F TC 23
6HR MIN TEMP: 63; 6HR MAX TEMP: 75;
AURORA MOSUNNY 75 53 46 NW14G22 29.96F TC 24
6HR MIN TEMP: 60; 6HR MAX TEMP: 75;
JOLIET* PTSUNNY 75 54 47 W9 29.97F TC 24
WAUKEGAN PTSUNNY 72 53 51 NW12G18 29.94F TC 22
6HR MIN TEMP: 61; 6HR MAX TEMP: 73;
DUPAGE AIRPORT MOSUNNY 73 52 47 NW14G20 29.95F TC 23
6HR MIN TEMP: 62; 6HR MAX TEMP: 74;
KANKAKEE* SUNNY 76 50 41 NW13 29.98F TC 24
WHEELING PTSUNNY 73 52 47 NW14G22 29.96F TC 23
6HR MIN TEMP: 63; 6HR MAX TEMP: 74;
ROMEOVILLE* MOSUNNY 73 54 49 W9G16 29.97F TC 23
LANSING* SUNNY 74 50 42 W16G22 29.96F TC 24
NORTHERLY ISL* N/A 67 55 65 NE7 N/A TC 19
LMZ740>746-201900-
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 65 54 1013.4F 1
WAUKEGAN HARBOR 67 53 280/ 8/ 16 1014.4F 1
WILMETTE BUOY 64 40/ 4/ 8 1016.9S 1
CHICAGO BUOY 63 61 90/ 8/ 10 1013.1F 1/ 2
HARRISON CRIB 65 70/ 9/ 10 N/A
NORTHERLY ISL 72 270/ 7/ 13 N/A
CALUMET HARBOR 1014.3
BURNS HARBOR 30/ 2/ 3 1015.2F
MICHIGAN CITY 66 20/ 3/ 4 1013.7F
MICH CITY BUOY 65 63 20/ 4/ 6 993.2F 1/ 3
ST. JOSEPH BUOY 63 64 320/ 6/ 8 1015.6F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 76 53 44 CALM 30.02F TC 24
GALESBURG* SUNNY 75 54 47 NW9 30.02F TC 24
MACOMB* MOSUNNY 77 56 46 CALM 30.03S TC 25
JACKSONVILLE* CLOUDY 76 55 47 N3 30.02S TC 25
PITTSFIELD* MOSUNNY 78 56 48 CALM 30.04F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-201900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 76 53 45 MISG 29.99S TC 24
BLOOMINGTON MOSUNNY 78 56 46 NW13 30.01F TC 26
DECATUR MOSUNNY 78 54 43 VRB6 30.00F TC 26
PEORIA SUNNY 77 54 44 NW8 30.00F TC 25
6HR MIN TEMP: 64; 6HR MAX TEMP: 77;
LACON* SUNNY 75 51 43 NW12 29.99S TC 24
SPRINGFIELD MOSUNNY 77 51 40 N5 30.01F TC 25
6HR MIN TEMP: 68; 6HR MAX TEMP: 78;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 77 57 50 NW13G22 30.00F TC 25
DANVILLE* MOSUNNY 78 56 47 W7G16 30.00S TC 26
MATTOON PTSUNNY 78 64 61 W7 29.99F HX 80 TC 26
PARIS* MOSUNNY 78 60 52 NW8 30.00S HX 80 TC 26
ILZ079-100>102-201900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 81 63 54 NW3 30.01F HX 82 TC 27
BELLEVILLE PTSUNNY 84 66 55 W6 29.98F HX 86 TC 29
CAHOKIA* PTSUNNY 83 61 47 SE3 29.99F HX 83 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 85 62 46 VRB7 30.00F HX 85 TC 29
6HR MIN TEMP: 67; 6HR MAX TEMP: 85;
CAIRO* MOSUNNY 81 67 61 CALM 30.03F HX 84 TC 27
EFFINGHAM* PTSUNNY 81 61 50 W9 30.02S HX 82 TC 27
MARION MOSUNNY 84 61 45 SW8 30.01F HX 84 TC 29
MT. VERNON PTSUNNY 86 61 42 W5 29.99F HX 86 TC 30
CENTRALIA* PTSUNNY 85 60 41 CALM 30.00F HX 85 TC 30
SALEM* CLOUDY 83 65 54 MISG 30.00F HX 85 TC 28
METROPOLIS* MOSUNNY 80 66 61 S5 30.03F HX 82 TC 27
ILZ067-068-072-073-078-083-087-091-201900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 82 64 54 NW12G18 29.98F HX 83 TC 28
FLORA* MOSUNNY 82 63 51 W9G17 30.00F HX 83 TC 28
FAIRFIELD* CLOUDY 82 61 47 NW5 29.99F HX 83 TC 28
HARRISBURG* PTSUNNY 84 65 52 SW6 30.01F HX 85 TC 29
ROBINSON* SUNNY 82 64 54 NW10 29.98S HX 84 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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