674
ASUS43 KLOT 190001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CDT MON MAY 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.
ILZ001-002-007-009-015-016-024-190100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 72 64 76 S7 29.84R TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 75;
ILZ003-004-008-010-011-017-018-190100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 60 55 SW10 29.86R TC 25
6HR MIN TEMP: 77; 6HR MAX TEMP: 80;
PERU* CLOUDY 73 64 73 S7 29.87R TC 23
ILZ005-006-012>014-019>023-190100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 74 63 68 S15G23 29.85S TC 23
6HR MIN TEMP: 73; 6HR MAX TEMP: 79;
CHICAGO-MIDWAY CLOUDY 73 64 73 SW16G25 29.87S TC 23
6HR MIN TEMP: 71; 6HR MAX TEMP: 80;
AURORA CLOUDY 72 65 78 S12 29.87R TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 79;
WAUKEGAN PTSUNNY 76 64 66 SW15G26 29.81F TC 24
6HR MIN TEMP: 72; 6HR MAX TEMP: 82;
DUPAGE AIRPORT PTSUNNY 72 64 76 S13G22 29.86R TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 78;
WHEELING PTSUNNY 74 64 71 S16G26 29.85S TC 23
6HR MIN TEMP: 72; 6HR MAX TEMP: 80;
MORRIS* CLOUDY 72 64 78 S10 29.88S TC 22
ROMEOVILLE* SUNNY 72 66 83 S20 29.88F TC 22
NORTHERLY ISL* N/A 72 61 68 SW13 N/A TC 22
LMZ740>746-190100-
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 50 1019.0F 1/ 3
WAUKEGAN HARBOR 66 53 200/ 12/ 16 1010.9F 1/ 3
WILMETTE BUOY 66 190/ 12/ 17 1012.3F 1/ 3
CHICAGO BUOY 66 55 200/ 16/ 19 1010.1F 2/ 3
HARRISON CRIB 70 190/ 23/ 25 N/A
NORTHERLY ISL 74 160/ 11/ 20 N/A
CALUMET HARBOR 190/ 10/ 22 1011.8
BURNS HARBOR 71 190/ 12/ 16 1012.2F
MICHIGAN CITY 73 180/ 20/ 26 1010.6F
ST. JOSEPH BUOY 61 200/ 10/ 12 1013.0F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-190100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTSUNNY 67 61 81 W24G33 29.87S TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 68; 6HR PCP: 0.22;
TAYLORVILLE PTSUNNY 64 63 94 S16G25 29.96F TC 18
ILZ033-039-045-046-055>057-062-063-190100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 67 64 90 S16 29.93S TC 19
MATTOON LGT RAIN 66 64 93 S18G36 30.00R TC 19
ILZ079-100>102-190100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 64 63 94 S20G32 29.92F TC 18
BELLEVILLE DRIZZLE 66 66 100 E8 30.00F TC 19
CAHOKIA* TSTM 65 64 97 SE15 29.97F FOG TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 70 64 83 NE7 30.04S TC 21
MARION PTSUNNY 70 64 83 NE12 30.05F TC 21
ILZ067-068-072-073-078-083-087-091-190100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 68 67 96 W10 30.10R TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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