846
ASUS43 KLOT 181910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM 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.
ILZ001-002-007-009-015-016-024-182000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 73 56 54 W9 29.83R TC 23
STERLING* PTSUNNY 74 56 53 W8G16 29.83R TC 23
SAVANNA* PTSUNNY 73 53 48 NW8 29.81R TC 23
ILZ003-004-008-010-011-017-018-182000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 70 53 54 NW9 29.81R TC 21
FREEPORT* CLOUDY 70 56 62 W9 29.82R TC 21
ROCHELLE* PTSUNNY 70 53 55 W12 29.81S TC 21
DE KALB* PTSUNNY 70 56 61 NW9G16 29.81R TC 21
PERU* PTSUNNY 73 57 56 W7 29.81R TC 23
ILZ005-006-012>014-019>023-182000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 71 52 50 NW7G18 29.76R TC 22
CHICAGO-MIDWAY PTSUNNY 70 52 52 NW13G20 29.77R TC 21
AURORA PTSUNNY 72 55 55 W9 29.79R TC 22
JOLIET* PTSUNNY 73 54 50 NW6 29.80R TC 23
WAUKEGAN PTSUNNY 70 52 52 W8 29.75S TC 21
DUPAGE AIRPORT PTSUNNY 69 52 54 NW8G20 29.78R TC 21
KANKAKEE* PTSUNNY 72 57 58 W12 29.80R TC 22
WHEELING MOSUNNY 71 52 50 NW9 29.78R TC 22
ROMEOVILLE* PTSUNNY 72 55 56 W12 29.79R TC 22
LANSING* PTSUNNY 68 53 58 CALM 29.78S TC 20
NORTHERLY ISL* N/A 64 55 72 E2 N/A TC 18
LMZ740>746-182000-
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 63 49 1007.5R 1
WAUKEGAN HARBOR 64 47 280/ 6/ 10 1009.2 1
WILMETTE BUOY 63 50/ 4/ 4 1010.3R 1/ 3
CHICAGO BUOY 62 59 110/ 4/ 6 1007.3 1/ 3
HARRISON CRIB 63 40/ 7/ 7 N/A
NORTHERLY ISL 65 50/ 6/ 10 N/A
CALUMET HARBOR 63 70/ 4/ 6 1008.4
BURNS HARBOR 40/ 3/ 3 1009.5R
MICHIGAN CITY 64 290/ 3/ 4 1007.6R
MICH CITY BUOY 62 62 260/ 2/ 4 987.4R 1/ 4
ST. JOSEPH BUOY 61 64 290/ 4/ 4 1009.4R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-182000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 73 58 59 NW10 29.86S TC 23
GALESBURG* PTSUNNY 72 59 64 W8 29.85R TC 22
MACOMB* CLOUDY 73 61 66 NW5 29.87S TC 23
JACKSONVILLE* MOSUNNY 73 60 63 W7 29.86R TC 23
PITTSFIELD* MOSUNNY 73 59 60 W8 29.88S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-182000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 60 62 MISG 29.82R TC 23
BLOOMINGTON PTSUNNY 73 59 61 W13 29.84R TC 23
DECATUR PTSUNNY 73 61 65 NW10 29.85R TC 23
PEORIA PTSUNNY 71 57 61 VRB7 29.83R TC 22
LACON* PTSUNNY 73 55 53 NW9 29.81R TC 23
SPRINGFIELD PTSUNNY 73 60 63 NW9 29.85R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 72 60 66 W13 29.83R TC 22
DANVILLE* CLOUDY 73 59 61 W13 29.82R TC 23
MATTOON PTSUNNY 69 59 70 W9 29.85R TC 21
PARIS* CLOUDY 71 59 65 W8G16 29.83S TC 22
ILZ079-100>102-182000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 64 59 82 NW7 29.88F TC 18
BELLEVILLE CLOUDY 74 59 59 NW7 29.83F TC 23
CAHOKIA* CLOUDY 75 57 53 N7 29.84F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 84 61 45 NW9 29.83F HX 84 TC 29
CAIRO* CLOUDY 84 70 61 NW10 29.83R HX 88 TC 29
EFFINGHAM* RAIN 67 63 86 W8 29.89R TC 20
MARION PTSUNNY 84 61 45 NW8 29.84R HX 84 TC 29
MT. VERNON CLOUDY 80 56 43 VRB6 29.85R HX 80 TC 27
CENTRALIA* CLOUDY 76 57 50 N13 29.87R TC 25
SALEM* LGT RAIN 73 60 64 MISG 29.88R TC 23
METROPOLIS* CLOUDY 84 73 69 N3 29.83R HX 90 TC 29
ILZ067-068-072-073-078-083-087-091-182000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 74 60 61 NW12 29.84R TC 23
FLORA* PTSUNNY 73 61 64 NW10 29.86R TC 23
FAIRFIELD* PTSUNNY 79 57 47 N6 29.84R HX 80 TC 26
HARRISBURG* PTSUNNY 84 59 42 NW10 29.84S HX 84 TC 29
ROBINSON* PTSUNNY 70 63 78 W7 29.85R TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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