525
ASUS43 KLOT 181606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT THU JUN 18 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.
ILZ001-002-007-009-015-016-024-181700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 69 56 62 NW12G23 29.75R TC 21
STERLING* MOSUNNY 71 56 58 NW15 29.76R TC 22
SAVANNA* MOSUNNY 68 55 62 N8 29.76R TC 20
ILZ003-004-008-010-011-017-018-181700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 67 53 61 NW10 29.75R TC 19
FREEPORT* PTSUNNY 66 58 75 NW12 29.77R TC 19
ROCHELLE* PTSUNNY 67 54 63 N13G20 29.75R TC 19
DE KALB* CLOUDY 66 56 70 W12G17 29.75R TC 19
ILZ005-006-012>014-019>023-181700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 66 53 63 NW13 29.71R TC 19
CHICAGO-MIDWAY PTSUNNY 66 53 63 NW14G22 29.71R TC 19
AURORA CLOUDY 66 56 70 NW14 29.73R TC 19
JOLIET* PTSUNNY 68 57 66 N12G18 29.73R TC 20
WAUKEGAN PTSUNNY 64 52 64 NW9G17 29.70R TC 18
DUPAGE AIRPORT CLOUDY 66 54 65 NW13 29.72R TC 19
KANKAKEE* PTSUNNY 69 56 63 NW14G20 29.73R TC 21
WHEELING CLOUDY 65 52 62 NW14G24 29.73R TC 18
ROMEOVILLE* PTSUNNY 66 57 72 NW10G23 29.72R TC 19
LANSING* CLOUDY 66 53 61 NW10G16 29.73R TC 19
NORTHERLY ISL* N/A 65 51 60 NW12 N/A TC 18
LMZ740>746-181700-
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 59 49 1003.3R 1/ 3
WAUKEGAN HARBOR 60 48 290/ 10/ 16 1007.8 1/ 3
WILMETTE BUOY 60 10/ 10/ 14 1007.9R 1/ 3
CHICAGO BUOY 61 59 10/ 8/ 12 1005.5 1/ 3
HARRISON CRIB 61 360/ 9/ 11 N/A
NORTHERLY ISL 64 250/ 8/ 12 N/A
CALUMET HARBOR 63 360/ 7/ 11 1006.0
BURNS HARBOR 350/ 7/ 10 1006.8R
MICHIGAN CITY 61 320/ 12/ 15 1005.2R
MICH CITY BUOY 60 61 330/ 10/ 14 985.1R 2/ 4
ST. JOSEPH BUOY 60 63 310/ 12/ 14 1006.9R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 65 56 72 W8 29.82R TC 18
GALESBURG* CLOUDY 67 58 71 NW10G16 29.79R TC 20
MACOMB* MOSUNNY 68 60 76 NW12 29.82R TC 20
JACKSONVILLE* MOSUNNY 67 58 72 W9 29.82R TC 19
PITTSFIELD* PTSUNNY 67 56 67 NW7 29.83R TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-181700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 69 59 69 MISG 29.76R TC 21
BLOOMINGTON PTSUNNY 69 58 67 NW14G22 29.78R TC 21
DECATUR MOSUNNY 66 57 72 W9 29.78R TC 19
PEORIA PTSUNNY 69 57 65 NW9G17 29.77R TC 21
LACON* PTSUNNY 69 55 62 NW7 29.76R TC 20
SPRINGFIELD PTSUNNY 65 58 78 W8 29.80R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 68 60 75 W13 29.78R TC 20
DANVILLE* PTSUNNY 71 60 68 W9 29.76R TC 22
MATTOON PTSUNNY 70 59 68 W15 29.79R TC 21
PARIS* LGT RAIN 66 59 78 W12 29.79R TC 19
ILZ079-100>102-181700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 75 57 53 NW12 29.81R TC 24
CAHOKIA* SUNNY 78 56 46 N10 29.80R TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 80 61 52 NW9 29.82R HX 81 TC 27
CAIRO* CLOUDY 81 77 88 W7 29.80R HX 88 TC 27
EFFINGHAM* SUNNY 73 62 67 W12 29.81R TC 23
MARION CLOUDY 81 64 57 N9 29.81R HX 82 TC 27
MT. VERNON N/A 78 56 46 VRB3 29.81 TC 26
CENTRALIA* MOSUNNY 78 56 47 W3 29.81R TC 26
SALEM* SUNNY 77 62 59 MISG 29.81R TC 25
METROPOLIS* CLOUDY 78 71 79 CALM 29.81R HX 80 TC 25
ILZ067-068-072-073-078-083-087-091-181700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 76 60 57 NW8 29.78R TC 24
FLORA* SUNNY 75 59 57 NW10 29.80S TC 24
FAIRFIELD* MOSUNNY 77 57 49 NW6 29.80R TC 25
HARRISBURG* CLOUDY 80 61 52 W12 29.81R HX 81 TC 27
ROBINSON* MOSUNNY 75 61 60 W10G17 29.77R TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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