579
ASUS43 KLOT 191601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT TUE MAY 19 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.
ILZ001-002-007-009-015-016-024-191700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 69 64 84 W18 29.92R TC 21
STERLING* MOSUNNY 75 65 70 W25G31 29.90S TC 24
SAVANNA* CLOUDY 71 63 77 W15G23 29.90R TC 21
ILZ003-004-008-010-011-017-018-191700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 73 63 70 SW15G24 29.90S TC 23
FREEPORT* CLOUDY 73 67 81 W17 29.91S TC 23
PERU* CLOUDY 73 66 78 SW9 29.93F TC 23
ILZ005-006-012>014-019>023-191700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 75 62 64 SW17G28 29.90R TC 24
CHICAGO-MIDWAY PTSUNNY 76 64 66 SW17 29.92R TC 24
AURORA PTSUNNY 74 64 71 SW15G24 29.92S TC 23
WAUKEGAN PTSUNNY 73 64 73 SW20G29 29.88R TC 23
DUPAGE AIRPORT PTSUNNY 74 65 73 SW18G32 29.92R TC 23
WHEELING PTSUNNY 74 63 68 W12G25 29.91R TC 23
ROMEOVILLE* PTSUNNY 73 66 78 SW17G30 29.94S TC 23
LANSING* N/A 74 64 69 SW17 29.95R TC 24
NORTHERLY ISL* N/A 74 61 63 SW16 N/A TC 23
LMZ740>746-191700-
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 48 1016.5R 2/ 4
WAUKEGAN HARBOR 66 50 230/ 14/ 19 1012.7R 1/ 4
WILMETTE BUOY 67 240/ 17/ 25 1014.2R 2/ 2
CHICAGO BUOY 68 53 230/ 12/ 19 1011.9R 1/ 2
HARRISON CRIB 73 240/ 16/ 20 N/A
NORTHERLY ISL 73 240/ 14/ 15 N/A
CALUMET HARBOR 73 210/ 8/ 19 1013.3R
BURNS HARBOR 71 250/ 10/ 13 1014.2R
MICHIGAN CITY 74 220/ 16/ 19 1011.8R
ST. JOSEPH BUOY 56 250/ 4/ 6 1014.2R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-191700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-191700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 72 65 78 W15 29.98S TC 22
DECATUR PTSUNNY 74 65 73 S16 29.96F TC 23
PEORIA PTSUNNY 71 63 75 W8 29.96S TC 22
SPRINGFIELD PTSUNNY 76 64 66 W9 29.95R TC 24
TAYLORVILLE PTSUNNY 73 66 78 S13 29.96F TC 23
ILZ033-039-045-046-055>057-062-063-191700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 75 68 78 SW21G29 29.98S TC 24
MATTOON CLOUDY 74 68 81 S10G24 30.00F TC 23
ILZ079-100>102-191700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 75 66 73 S12 29.99F TC 24
CAHOKIA* PTSUNNY 75 66 73 S7 29.99F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 79 70 73 SW17 30.04F HX 81 TC 26
EFFINGHAM* CLOUDY 76 71 85 S8 30.02F TC 25
MARION CLOUDY 81 72 74 SW15G26 30.05F HX 84 TC 27
MT. VERNON CLOUDY 79 71 76 S14G22 30.03F HX 82 TC 26
SALEM* CLOUDY 77 71 81 S9 30.01F TC 25
ILZ067-068-072-073-078-083-087-091-191700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 82 72 71 SW18G29 30.04F HX 87 TC 28
FAIRFIELD* MOSUNNY 81 69 68 S14G20 30.03F HX 84 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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