994
ASUS43 KLOT 181801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-181900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 72 56 57 W8 29.80R TC 22
6HR MIN TEMP: 65; 6HR MAX TEMP: 73;
STERLING* MOSUNNY 72 54 53 NW13G20 29.81R TC 22
SAVANNA* PTSUNNY 71 53 51 NW9 29.80R TC 22
ILZ003-004-008-010-011-017-018-181900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 68 53 58 W9 29.78S TC 20
6HR MIN TEMP: 61; 6HR MAX TEMP: 70;
FREEPORT* CLOUDY 67 55 64 N9 29.80S TC 20
DE KALB* MOSUNNY 68 54 61 W9 29.79S TC 20
PERU* PTSUNNY 72 55 56 NW9G16 29.79R TC 22
ILZ005-006-012>014-019>023-181900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 69 52 54 NW9G22 29.75R TC 21
6HR MIN TEMP: 62; 6HR MAX TEMP: 70; 6HR PCP: TRACE;
CHICAGO-MIDWAY PTSUNNY 69 51 52 W8 29.76R TC 21
6HR MIN TEMP: 62; 6HR MAX TEMP: 70; 6HR PCP: TRACE;
AURORA PTSUNNY 69 56 62 N9 29.77R TC 21
6HR MIN TEMP: 62; 6HR MAX TEMP: 70;
JOLIET* PTSUNNY 71 56 60 N10 29.78R TC 22
WAUKEGAN PTSUNNY 68 53 58 NW8 29.75R TC 20
6HR MIN TEMP: 59; 6HR MAX TEMP: 69;
DUPAGE AIRPORT PTSUNNY 70 54 56 NW16G22 29.76R TC 21
6HR MIN TEMP: 61; 6HR MAX TEMP: 70;
KANKAKEE* CLOUDY 70 56 60 NW10 29.78R TC 21
WHEELING PTSUNNY 69 52 54 N9G20 29.77R TC 21
6HR MIN TEMP: 61; 6HR MAX TEMP: 70;
ROMEOVILLE* PTSUNNY 70 55 60 W12 29.77R TC 21
LANSING* CLOUDY 69 52 53 N9G16 29.77R TC 21
NORTHERLY ISL* N/A 65 54 67 NE7 N/A TC 18
LMZ740>746-181900-
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 61 49 1005.9R 1/ 2
WAUKEGAN HARBOR 62 48 290/ 10/ 16 1008.8R 1
WILMETTE BUOY 61 20/ 4/ 6 1009.6R 1/ 3
CHICAGO BUOY 61 59 40/ 6/ 14 1006.8R 1/ 4
HARRISON CRIB 62 10/ 9/ 10 N/A
NORTHERLY ISL 64 20/ 4/ 12 N/A
CALUMET HARBOR 63 360/ 7/ 10 1008.0
BURNS HARBOR 10/ 4/ 5 1008.8R
MICHIGAN CITY 63 290/ 6/ 7 1007.0R
MICH CITY BUOY 61 62 300/ 4/ 6 987.0R 2/ 4
ST. JOSEPH BUOY 60 64 310/ 8/ 10 1008.7R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 71 59 65 W8 29.86R TC 22
GALESBURG* CLOUDY 70 58 65 W10G16 29.84R TC 21
MACOMB* CLOUDY 71 61 70 CALM 29.87R TC 22
JACKSONVILLE* PTSUNNY 71 60 67 SW9 29.85R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 71 58 63 NW9G16 29.82R TC 22
DECATUR PTSUNNY 71 60 68 NW12 29.83R TC 22
PEORIA PTSUNNY 71 57 61 W6 29.81R TC 22
6HR MIN TEMP: 64; 6HR MAX TEMP: 72;
SPRINGFIELD MOSUNNY 73 60 63 W10G17 29.84R TC 23
6HR MIN TEMP: 63; 6HR MAX TEMP: 73;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 71 61 70 W9 29.82R TC 22
DANVILLE* PTSUNNY 73 59 62 W9 29.80S TC 23
MATTOON MOSUNNY 71 60 68 W12 29.83R TC 22
PARIS* PTSUNNY 71 60 68 W9G17 29.82R TC 21
ILZ079-100>102-181900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 64 59 82 NW12 29.90R TC 18
BELLEVILLE CLOUDY 77 60 54 NW13 29.85R TC 25
CAHOKIA* CLOUDY 77 56 48 NW8 29.87R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 82 59 45 NW10 29.84R HX 82 TC 28
6HR MIN TEMP: 77; 6HR MAX TEMP: 83;
CAIRO* PTSUNNY 85 76 74 NW7 29.82R HX 94 TC 29
EFFINGHAM* RAIN 67 63 87 SW8 29.86S TC 20
MARION PTSUNNY 81 61 50 N10 29.83R HX 81 TC 27
MT. VERNON MOSUNNY 83 56 39 VRB6 29.84R HX 82 TC 28
CENTRALIA* MOSUNNY 81 57 43 CALM 29.85R HX 81 TC 27
SALEM* MOSUNNY 78 61 55 MISG 29.85R HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-181900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 78 60 53 W13 29.82R TC 26
FLORA* MOSUNNY 79 59 50 NW12 29.84R HX 80 TC 26
FAIRFIELD* SUNNY 81 56 41 NW7 29.83R HX 81 TC 27
HARRISBURG* PTSUNNY 83 61 47 NW7 29.83R HX 83 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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