084
ASUS43 KLOT 171501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT SUN MAY 17 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.
ILZ001-002-007-009-015-016-024-171600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 72 66 81 S8 29.82R TC 22
STERLING* CLOUDY 71 66 84 SE8 29.81F TC 22
SAVANNA* DRIZZLE 69 64 85 SE14 29.79F TC 21
ILZ003-004-008-010-011-017-018-171600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 72 64 76 SE10G21 29.85F TC 22
FREEPORT* PTSUNNY 68 67 96 SE7 29.87R TC 20
DE KALB* CLOUDY 73 66 78 S15 29.88F TC 23
PERU* PTSUNNY 75 64 69 SE15 29.85F TC 24
ILZ005-006-012>014-019>023-171600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 74 65 73 S6 29.89F TC 23
CHICAGO-MIDWAY PTSUNNY 75 65 70 S14 29.90F TC 24
AURORA CLOUDY 76 66 71 S14G22 29.87F TC 24
JOLIET* PTSUNNY 77 68 75 S7 29.90F TC 25
WAUKEGAN PTSUNNY 56 48 74 E8 29.91F TC 13
DUPAGE AIRPORT CLOUDY 74 67 78 S10 29.89F TC 23
KANKAKEE* PTSUNNY 77 66 67 S14 29.93F TC 25
WHEELING PTSUNNY 60 50 69 NE7 29.92F TC 16
MORRIS* CLOUDY 75 66 73 S8 29.89S TC 24
ROMEOVILLE* SUNNY 73 68 83 S12G17 29.91F TC 23
LANSING* PTSUNNY 77 66 68 S13G18 29.93F TC 25
NORTHERLY ISL* N/A 59 53 80 N7 N/A TC 15
LMZ740>746-171600-
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 1004.1R 2/ 3
WAUKEGAN HARBOR 49 52 350/ 10/ 12 1013.7F 2/ 3
HARRISON CRIB 53 360/ 8/ 9 N/A
NORTHERLY ISL 60 20/ 10 N/A
CALUMET HARBOR 74 180/ 10/ 15 1013.1F
BURNS HARBOR 76 180/ 7/ 11 1013.9F
MICHIGAN CITY 75 180/ 11/ 16 1012.3F
ST. JOSEPH BUOY 62 190/ 6/ 6 1015.0F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-171600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 65 78 S12G21 29.84R TC 22
GALESBURG* CLOUDY 73 65 74 S15G22 29.85R TC 23
MACOMB* CLOUDY 75 66 74 S15G24 29.86R TC 24
JACKSONVILLE* CLOUDY 73 65 77 S18 29.87S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-171600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 75 67 76 S20G28 29.90F TC 24
DECATUR PTSUNNY 75 66 73 S21G29 29.92F TC 24
PEORIA CLOUDY 74 65 73 S17G26 29.86S TC 23
SPRINGFIELD CLOUDY 75 66 73 S17G26 29.89S TC 24
TAYLORVILLE PTSUNNY 73 66 78 S17G25 29.92F TC 23
ILZ033-039-045-046-055>057-062-063-171600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 76 67 73 S25 29.94F TC 24
DANVILLE* MOSUNNY 77 67 70 S17G25 29.97F TC 25
MATTOON SUNNY 75 64 68 S18G25 29.97F TC 24
PARIS* SUNNY 76 65 69 S17 29.99F TC 25
ILZ079-100>102-171600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 66 69 S17G29 29.92F TC 25
BELLEVILLE PTSUNNY 77 68 74 SW21 29.92F TC 25
CAHOKIA* CLOUDY 77 65 66 S12G24 29.91F TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 78 65 63 S16 30.00F HX 80 TC 26
CAIRO* CLOUDY 78 64 61 S8 30.04R HX 80 TC 26
EFFINGHAM* MOSUNNY 75 68 77 SE8G18 30.00S TC 24
MARION MOSUNNY 77 64 65 S12 30.02S TC 25
MT. VERNON PTSUNNY 77 65 66 S15 30.00F TC 25
CENTRALIA* MOSUNNY 77 65 67 S17 29.98F TC 25
SALEM* MOSUNNY 77 67 70 S13G23 29.97F TC 25
ILZ067-068-072-073-078-083-087-091-171600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 77 66 68 SW14 30.02S TC 25
FLORA* MOSUNNY 75 66 73 S14G21 30.00F TC 24
FAIRFIELD* PTSUNNY 77 63 61 SW13 30.01S TC 25
HARRISBURG* MOSUNNY 77 64 63 S13 30.04R TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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