504
ASUS43 KLOT 151710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-151800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 74 48 39 SW13G23 29.97F TC 23
STERLING* MOSUNNY 74 48 39 W12 29.97F TC 23
SAVANNA* MOSUNNY 74 44 33 W9 29.96S TC 23
ILZ003-004-008-010-011-017-018-151800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 73 46 38 W12 29.95F TC 23
FREEPORT* MOSUNNY 73 48 41 W14 29.97F TC 23
ROCHELLE* SUNNY 71 46 41 W13 29.96F TC 22
DE KALB* MOSUNNY 70 46 41 W8G17 29.97F TC 21
PERU* MOSUNNY 73 50 43 W10G18 29.98F TC 23
ILZ005-006-012>014-019>023-151800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 71 44 37 W14G24 29.95S TC 22
CHICAGO-MIDWAY MOSUNNY 71 46 40 SW14G23 29.96S TC 22
AURORA MOSUNNY 71 49 45 W14G20 29.96F TC 22
JOLIET* MOSUNNY 72 49 43 SW8 29.97F TC 22
WAUKEGAN MOSUNNY 71 47 42 SW17G28 29.93F TC 22
DUPAGE AIRPORT PTSUNNY 71 49 45 SW14G26 29.95F TC 22
KANKAKEE* MOSUNNY 71 44 39 W13 30.01S TC 21
WHEELING PTSUNNY 71 46 40 W12G22 29.95F TC 22
ROMEOVILLE* SUNNY 72 50 46 SW10G22 29.98F TC 22
LANSING* N/A 71 47 43 SW7 29.98 TC 21
NORTHERLY ISL* N/A 71 42 35 W5 N/A TC 22
LMZ740>746-151800-
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 66 54 1013.1 1
WAUKEGAN HARBOR 67 53 270/ 12/ 21 1014.1 1
WILMETTE BUOY 67 260/ 12/ 17 1016.5F 1/ 2
CHICAGO BUOY 67 61 240/ 10/ 14 1013.4 1
HARRISON CRIB 68 220/ 11/ 13 N/A
NORTHERLY ISL 69 220/ 5/ 12 N/A
CALUMET HARBOR 70 270/ 6/ 10 1014.8
BURNS HARBOR 280/ 2/ 4 1015.6S
MICHIGAN CITY 66 250/ 13/ 14 1013.8S
MICH CITY BUOY 64 63 260/ 6/ 10 993.5F 1/ 3
ST. JOSEPH BUOY 64 250/ 12/ 16 1015.6F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-151800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 72 48 42 NW8 30.03F TC 22
GALESBURG* MOSUNNY 73 43 34 W17 30.01F TC 23
MACOMB* SUNNY 73 45 36 NW3G16 30.03F TC 23
JACKSONVILLE* MOSUNNY 72 49 44 NW9 30.04S TC 22
PITTSFIELD* MOSUNNY 73 47 39 NW7 30.05F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-151800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 72 51 47 MISG 29.99F TC 22
BLOOMINGTON MOSUNNY 72 49 44 W14G20 30.02F TC 22
DECATUR MOSUNNY 71 46 40 N10 30.02S TC 22
PEORIA MOSUNNY 73 46 38 NW13G21 30.00F TC 23
LACON* MOSUNNY 72 48 43 W8 29.99S TC 22
LINCOLN* N/A N/A N/A N/A MISG N/A
SPRINGFIELD PTSUNNY 70 48 45 W9 30.03S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 69 48 47 NW10G17 30.02S TC 21
DANVILLE* MOSUNNY 70 48 44 W8 30.02F TC 21
MATTOON MOSUNNY 70 47 43 NW15 30.02S TC 21
PARIS* MOSUNNY 70 49 47 NW6 30.02S TC 21
ILZ079-100>102-151800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 73 46 38 NW9 30.04S TC 23
BELLEVILLE MOSUNNY 75 54 47 N8 30.02S TC 24
CAHOKIA* SUNNY 75 50 41 NW10G17 30.03S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 75 52 44 W5 30.03S TC 24
CAIRO* PTSUNNY 75 60 58 W5 30.05S TC 24
EFFINGHAM* SUNNY 72 46 39 NW9G16 30.04S TC 22
MARION PTSUNNY 73 52 46 NW7 30.04S TC 23
MT. VERNON PTSUNNY 73 50 44 VRB5 30.03S TC 23
CENTRALIA* MOSUNNY 74 49 40 NW5 30.04S TC 24
SALEM* PTSUNNY 74 52 45 MISG 30.03S TC 24
METROPOLIS* PTSUNNY 74 56 54 SW6 30.04F TC 23
ILZ067-068-072-073-078-083-087-091-151800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 73 49 42 W9 30.01S TC 23
FLORA* SUNNY 73 50 43 NW12 30.03S TC 23
FAIRFIELD* MOSUNNY 73 48 40 N6 30.03R TC 23
HARRISBURG* PTSUNNY 75 54 47 NW9 30.03F TC 24
ROBINSON* MOSUNNY 73 50 43 W14 30.01R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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