100
ASUS43 KLOT 172307
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM 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.
ILZ001-002-007-009-015-016-024-180000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 83 65 54 S17G26 29.72F HX 85 TC 28
STERLING* PTSUNNY 85 65 51 MISG N/A HX 86 TC 29
SAVANNA* MOSUNNY 85 63 48 S14 29.74R HX 85 TC 29
ILZ003-004-008-010-011-017-018-180000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 83 62 49 S25G37 29.78S HX 84 TC 28
FREEPORT* CLOUDY 83 66 56 S20G28 29.77F HX 85 TC 29
DE KALB* PTSUNNY 81 63 55 S25G33 29.82S HX 82 TC 27
PERU* PTSUNNY 84 63 48 S24G30 29.79S HX 85 TC 29
ILZ005-006-012>014-019>023-180000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 84 62 47 S16G33 29.80R HX 85 TC 29
CHICAGO-MIDWAY PTSUNNY 85 61 44 SW17G33 29.81R HX 85 TC 29
AURORA PTSUNNY 83 63 50 S17G31 29.80R HX 84 TC 28
JOLIET* PTSUNNY 84 63 49 S16G24 29.82S HX 85 TC 29
WAUKEGAN CLOUDY 59 52 77 E7 29.79F TC 15
DUPAGE AIRPORT PTSUNNY 82 63 52 SW24G35 29.80R HX 83 TC 28
KANKAKEE* MOSUNNY 83 61 46 SW21G31 29.86S HX 84 TC 29
WHEELING PTSUNNY 85 62 46 S23G31 29.81R HX 85 TC 29
MORRIS* PTSUNNY 84 63 48 SW24 29.81S HX 85 TC 29
ROMEOVILLE* MOSUNNY 84 64 51 S25G32 29.82S HX 86 TC 29
LANSING* PTSUNNY 82 62 49 S15G30 29.84S HX 83 TC 28
NORTHERLY ISL* N/A 84 57 39 S14 N/A HX 83 TC 29
LMZ740>746-180000-
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 1008.1 1/ 5
WAUKEGAN HARBOR 49 52 340/ 8/ 12 1010.3 1/ 4
HARRISON CRIB 82 200/ 29/ 32 N/A
NORTHERLY ISL 85 160/ 17/ 26 N/A
CALUMET HARBOR 84 180/ 17/ 22 1009.8
BURNS HARBOR 82 190/ 12/ 18 1010.8R
MICHIGAN CITY 83 180/ 17/ 22 1008.6R
ST. JOSEPH BUOY 67 190/ 14/ 17 1011.6F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 83 66 56 S16G28 29.76S HX 85 TC 28
GALESBURG* MOSUNNY 83 65 54 S14G28 29.77S HX 84 TC 28
MACOMB* PTSUNNY 85 68 56 S22G28 29.78S HX 88 TC 29
JACKSONVILLE* PTSUNNY 82 65 55 S16G29 29.80S HX 84 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-180000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 82 65 56 S32G39 29.83R HX 84 TC 28
DECATUR PTSUNNY 82 67 60 S18G30 29.84S HX 84 TC 28
PEORIA PTSUNNY 83 65 54 S20G29 29.79S HX 85 TC 28
SPRINGFIELD SUNNY 84 63 49 S23G32 29.81S HX 85 TC 29
TAYLORVILLE SUNNY 82 64 54 S20G26 29.84R HX 84 TC 28
ILZ033-039-045-046-055>057-062-063-180000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 80 62 54 S26G38 29.87F HX 81 TC 27
DANVILLE* MOSUNNY 83 63 50 S21 29.90S HX 83 TC 28
MATTOON PTSUNNY 81 63 54 S15G37 29.88F HX 82 TC 27
PARIS* MOSUNNY 81 59 47 S18G26 29.92S HX 81 TC 27
ILZ079-100>102-180000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 84 63 48 S18G31 29.84F HX 85 TC 29
BELLEVILLE SUNNY 86 66 51 SW22 29.84S HX 88 TC 30
CAHOKIA* PTSUNNY 87 63 44 S15G30 29.83F HX 88 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 86 62 44 S15G24 29.90S HX 86 TC 30
CAIRO* SUNNY 88 61 40 S14G20 29.92S HX 88 TC 31
EFFINGHAM* MOSUNNY 83 62 49 SE13G23 29.92S HX 84 TC 28
MARION SUNNY 84 63 48 S17G25 29.92S HX 85 TC 29
MT. VERNON SUNNY 85 63 47 S15G23 29.91S HX 86 TC 29
CENTRALIA* MOSUNNY 84 64 51 S8G20 29.89F HX 85 TC 29
SALEM* MOSUNNY 85 65 51 S12G22 29.90S HX 86 TC 29
ILZ067-068-072-073-078-083-087-091-180000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 85 59 41 S22 29.93S HX 84 TC 29
FLORA* SUNNY 84 63 48 S18 29.92S HX 85 TC 29
FAIRFIELD* SUNNY 84 59 41 S16G22 29.93S HX 84 TC 29
HARRISBURG* SUNNY 85 56 37 S13 29.94S HX 84 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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