453
ASUS43 KLOT 191708
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-191800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 66 60 81 W16G25 29.96R TC 19
STERLING* PTSUNNY 72 65 78 W22G29 29.93R TC 22
SAVANNA* CLOUDY 68 61 78 W10G21 29.94R TC 20
ILZ003-004-008-010-011-017-018-191800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 73 64 73 SW20G28 29.91R TC 23
FREEPORT* CLOUDY 71 67 87 W16 29.93R TC 22
ROCHELLE* CLOUDY 76 61 59 W25G31 29.92S TC 25
DE KALB* CLOUDY 75 62 65 SW16G26 29.93S TC 24
PERU* PTSUNNY 73 64 73 SW14G22 29.95R TC 23
ILZ005-006-012>014-019>023-191800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 63 61 SW9G24 29.90S TC 25
CHICAGO-MIDWAY PTSUNNY 76 63 64 W20G28 29.92S TC 24
AURORA MOSUNNY 77 64 64 W15G33 29.92S TC 25
JOLIET* PTSUNNY 77 65 65 W13 29.95S TC 25
WAUKEGAN MOSUNNY 76 62 62 SW17G32 29.88S TC 24
DUPAGE AIRPORT MOSUNNY 77 64 64 SW17G30 29.91F TC 25
KANKAKEE* PTSUNNY 74 64 69 W14 29.97F TC 24
WHEELING CLOUDY 76 62 62 W17G28 29.91S TC 24
MORRIS* PTSUNNY 75 64 69 W13G20 29.94S TC 24
ROMEOVILLE* MOSUNNY 77 64 65 SW17G29 29.94S TC 25
LANSING* PTSUNNY 74 62 67 SW14G22 29.95S TC 23
NORTHERLY ISL* N/A 75 60 59 SW12 N/A TC 24
LMZ740>746-191800-
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 1018.9 2/ 4
WAUKEGAN HARBOR 70 51 240/ 12/ 17 1012.8 1/ 4
WILMETTE BUOY 67 240/ 14/ 23 1014.5R 2/ 3
CHICAGO BUOY 69 53 250/ 14/ 17 1011.9 1/ 2
HARRISON CRIB 75 230/ 22/ 27 N/A
NORTHERLY ISL 75 230/ 16/ 18 N/A
CALUMET HARBOR 75 230/ 11/ 16 1013.5
BURNS HARBOR 72 240/ 10/ 13 1014.2S
MICHIGAN CITY 64 230/ 11/ 13 1012.7R
ST. JOSEPH BUOY 58 250/ 6/ 8 1014.5R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-191800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
GALESBURG* CLOUDY 68 63 84 NW16G23 29.99R TC 20
MACOMB* CLOUDY 71 67 85 W17G25 30.01R TC 22
JACKSONVILLE* PTSUNNY 73 65 78 W14 30.00R TC 23
PITTSFIELD* PTSUNNY 74 66 78 W9G16 30.04R TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-191800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 75 67 76 MISG 29.97R TC 24
BLOOMINGTON PTSUNNY 77 67 71 W13 29.99R TC 25
DECATUR PTSUNNY 76 65 68 SW15 29.98R TC 24
PEORIA PTSUNNY 74 64 71 W10G18 29.97R TC 23
LACON* CLOUDY 73 62 70 W5 29.96R TC 23
LINCOLN* PTSUNNY 78 65 63 W5 29.98R HX 80 TC 26
SPRINGFIELD PTSUNNY 76 64 66 W7 29.98R TC 24
TAYLORVILLE PTSUNNY 75 66 73 S12G20 29.98R TC 24
ILZ033-039-045-046-055>057-062-063-191800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 78 68 71 SW16 29.99R HX 80 TC 26
DANVILLE* PTSUNNY 78 69 76 SW16G25 29.99R TC 25
RANTOUL* PTSUNNY 76 67 75 SW12G17 29.98S TC 24
MATTOON PTSUNNY 77 69 76 S15G22 30.00S TC 25
PARIS* CLOUDY 79 71 75 SW15G22 29.99F HX 82 TC 26
ILZ079-100>102-191800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 75 66 73 S16 29.98F TC 24
CAHOKIA* PTSUNNY 76 64 66 S10G20 29.98F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 82 72 69 S18G31 30.03F HX 87 TC 28
CAIRO* MOSUNNY 85 73 67 SW14 30.07F HX 92 TC 30
EFFINGHAM* PTSUNNY 78 71 79 S14G21 30.03S HX 80 TC 25
MARION CLOUDY 84 72 65 S18G28 30.04F HX 89 TC 29
MT. VERNON PTSUNNY 81 72 74 SW18G25 30.04R HX 85 TC 27
CENTRALIA* PTSUNNY 80 71 72 SW9G22 30.04R HX 83 TC 27
SALEM* PTSUNNY 81 73 76 S16 30.03R HX 85 TC 27
METROPOLIS* PTSUNNY 83 72 69 SW7 30.09R HX 88 TC 28
ILZ067-068-072-073-078-083-087-091-191800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 83 71 67 SW20 30.02F HX 87 TC 28
FLORA* PTSUNNY 81 72 74 SW17G25 30.03R HX 84 TC 27
FAIRFIELD* PTSUNNY 82 69 65 S21 30.04R HX 85 TC 28
HARRISBURG* PTSUNNY 83 72 68 SW20G25 30.06S HX 88 TC 28
ROBINSON* PTSUNNY 82 73 74 S15G26 30.00F HX 88 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page