440
ASUS43 KLOT 152001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT MON JUN 15 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.
ILZ001-002-007-009-015-016-024-152100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 77 46 33 W14G21 29.91F TC 25
STERLING* SUNNY 76 46 34 W9 29.91F TC 24
SAVANNA* MOSUNNY 77 44 31 W8G16 29.90F TC 25
ILZ003-004-008-010-011-017-018-152100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 75 44 33 W12 29.90F TC 24
FREEPORT* MOSUNNY 75 47 36 W16 29.91F TC 24
DE KALB* MOSUNNY 73 46 38 W7G21 29.91F TC 23
PERU* SUNNY 75 48 38 W12 29.93F TC 24
ILZ005-006-012>014-019>023-152100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 75 44 33 W9G18 29.89F TC 24
CHICAGO-MIDWAY PTSUNNY 73 45 36 W10G24 29.90F TC 23
AURORA MOSUNNY 75 46 35 SW6 29.90F TC 24
JOLIET* MOSUNNY 76 47 36 W10 29.92F TC 24
WAUKEGAN MOSUNNY 74 46 36 W12G18 29.88F TC 23
DUPAGE AIRPORT MOSUNNY 75 47 36 W16 29.90F TC 24
KANKAKEE* MOSUNNY 74 47 37 W12G20 29.95S TC 24
WHEELING MOSUNNY 74 45 35 SW9G22 29.90F TC 23
ROMEOVILLE* MOSUNNY 75 48 38 W13G20 29.92F TC 24
LANSING* MOSUNNY 73 47 39 SW9 29.92F TC 23
NORTHERLY ISL* N/A 73 42 32 SW3 N/A TC 23
LMZ740>746-152100-
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 68 54 1011.7F 1
WAUKEGAN HARBOR 67 53 240/ 8/ 17 1012.7F 0
WILMETTE BUOY 69 290/ 8/ 12 1015.1F 1
CHICAGO BUOY 70 62 240/ 10/ 16 1011.6F 1
HARRISON CRIB 72 260/ 11/ 14 N/A
NORTHERLY ISL 73 250/ 8/ 18 N/A
CALUMET HARBOR 73 230/ 6/ 12 1013.1
BURNS HARBOR 300/ 2/ 4 1013.9F
MICHIGAN CITY 69 250/ 7/ 8 1012.4F
MICH CITY BUOY 67 64 200/ 4/ 4 992.2F 1/ 3
ST. JOSEPH BUOY 66 65 210/ 8/ 10 1014.5F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-152100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 75 45 34 W6 29.97F TC 24
MACOMB* SUNNY 76 48 37 NW5 29.97F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-152100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 75 47 36 W10 29.96F TC 24
DECATUR MOSUNNY 74 48 39 NW9 29.97F TC 23
PEORIA SUNNY 76 46 34 W8G20 29.94F TC 24
SPRINGFIELD SUNNY 75 49 39 W9 29.97F TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-152100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 74 48 39 NW9 29.97F TC 23
DANVILLE* MOSUNNY 74 47 38 NW3 29.97F TC 23
MATTOON MOSUNNY 74 47 38 MISG 29.97F TC 23
PARIS* MOSUNNY 71 47 42 N8 29.98F TC 22
ILZ079-100>102-152100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 73 46 38 NW7 30.00F TC 23
BELLEVILLE SUNNY 78 53 41 W8 29.97F TC 25
CAHOKIA* MOSUNNY 77 49 37 N8 29.98F TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 77 53 43 NW7 29.98F TC 25
CAIRO* MOSUNNY 77 56 48 CALM 30.00F TC 25
EFFINGHAM* SUNNY 75 48 38 W7 30.01S TC 24
MARION PTSUNNY 79 52 38 W9 29.99F TC 26
MT. VERNON MOSUNNY 77 49 37 VRB7 29.98F TC 25
CENTRALIA* SUNNY 78 47 32 CALM 29.99F TC 26
SALEM* PTSUNNY 76 52 42 MISG 29.99F TC 25
ILZ067-068-072-073-078-083-087-091-152100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 76 47 35 W9 29.98F TC 24
FLORA* SUNNY 75 50 41 NW10 29.99F TC 24
FAIRFIELD* MOSUNNY 76 48 37 W3 29.98F TC 24
HARRISBURG* MOSUNNY 77 53 43 W7 29.99F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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