758
ASUS43 KLOT 181456
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.
ILZ001-002-007-009-015-016-024-181600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 67 63 87 SE14 29.75R TC 19
ILZ003-004-008-010-011-017-018-181600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 70 66 87 SE9 29.82F TC 21
PERU* HVY RAIN 70 66 88 W14G28 29.91R TC 21
ILZ005-006-012>014-019>023-181600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 76 65 68 S13G28 29.84S TC 24
CHICAGO-MIDWAY NOT AVBL
AURORA PTSUNNY 73 67 81 S10 29.84F TC 23
WAUKEGAN PTSUNNY 76 66 71 SW20G31 29.82S TC 24
DUPAGE AIRPORT PTSUNNY 75 66 73 S12 29.84S TC 24
WHEELING PTSUNNY 76 65 68 SW16G26 29.85S TC 24
MORRIS* CLOUDY 75 66 73 SW10G18 29.84F TC 24
ROMEOVILLE* CLOUDY 79 68 69 S17G25 29.87S HX 81 TC 26
NORTHERLY ISL* N/A 76 64 66 SW10 N/A TC 24
LMZ740>746-181600-
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 49 1019.2R 2/ 4
WAUKEGAN HARBOR 64 51 190/ 10/ 14 1011.1F 2/ 3
WILMETTE BUOY 66 210/ 12/ 17 1012.4 1/ 5
CHICAGO BUOY 68 54 220/ 12/ 16 1010.0R 1/ 3
HARRISON CRIB 76 220/ 20/ 22 N/A
NORTHERLY ISL 78 190/ 10/ 20 N/A
CALUMET HARBOR 180/ 12/ 17 1011.2
BURNS HARBOR 78 190/ 9/ 13 1012.2S
MICHIGAN CITY 79 180/ 17/ 19 1010.2F
ST. JOSEPH BUOY 63 190/ 10/ 12 1013.0S 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 66 66 100 W18G26 29.95R TC 19
PEORIA NOT AVBL
SPRINGFIELD RAIN 65 63 93 NW7 29.94S TC 18
TAYLORVILLE CLOUDY 72 64 78 NW36G66 29.95R TC 22
ILZ033-039-045-046-055>057-062-063-181600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON TSTM 75 68 78 S18G35 29.94F TC 24
ILZ079-100>102-181600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 66 64 94 NW9 29.99R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 77 71 82 SW13G22 29.99S TC 25
MARION PTSUNNY 79 70 73 S14G23 30.00R HX 81 TC 26
MT. VERNON PTSUNNY 79 70 73 SW18G24 29.98S THUNDER HX 81
ILZ067-068-072-073-078-083-087-091-181600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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