870
ASUS43 KLOT 180003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-180100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 83 66 56 S13G23 29.71F HX 85 TC 28
6HR MIN TEMP: 81; 6HR MAX TEMP: 85;
STERLING* MOSUNNY 83 65 54 S8G17 N/A HX 85 TC 28
SAVANNA* PTSUNNY 84 63 49 S13G21 29.73S HX 85 TC 29
ILZ003-004-008-010-011-017-018-180100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 82 63 52 S20G32 29.78S HX 83 TC 28
6HR MIN TEMP: 79; 6HR MAX TEMP: 84;
FREEPORT* PTSUNNY 82 66 59 S17G25 29.77S HX 84 TC 28
DE KALB* PTSUNNY 80 65 59 S26 29.82S HX 82 TC 27
PERU* PTSUNNY 84 64 51 S20 29.80R HX 86 TC 29
ILZ005-006-012>014-019>023-180100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 83 60 45 S21G35 29.81R HX 83 TC 28
6HR MIN TEMP: 82; 6HR MAX TEMP: 87;
CHICAGO-MIDWAY PTSUNNY 83 60 45 SW23G44 29.82R HX 83 TC 28
6HR MIN TEMP: 83; 6HR MAX TEMP: 87;
AURORA PTSUNNY 82 63 52 S17G29 29.81R HX 83 TC 28
6HR MIN TEMP: 82; 6HR MAX TEMP: 87;
JOLIET* PTSUNNY 82 63 52 S18 29.84R HX 83 TC 28
WAUKEGAN PTSUNNY 58 51 78 E6 29.80R TC 14
6HR MIN TEMP: 52; 6HR MAX TEMP: 64;
DUPAGE AIRPORT PTSUNNY 81 62 52 S20G31 29.81R HX 82 TC 27
6HR MIN TEMP: 81; 6HR MAX TEMP: 86;
KANKAKEE* PTSUNNY 81 61 51 S22G29 29.88R HX 82 TC 27
WHEELING PTSUNNY 83 62 49 SW22G35 29.82R HX 84 TC 28
6HR MIN TEMP: 74; 6HR MAX TEMP: 85;
MORRIS* CLOUDY 82 63 51 S18G28 29.82R HX 83 TC 28
ROMEOVILLE* MOSUNNY 82 64 54 S18G32 29.84R HX 84 TC 28
LANSING* PTSUNNY 82 60 47 S22G30 29.85R HX 82 TC 28
NORTHERLY ISL* N/A 83 57 41 S23 N/A HX 82 TC 28
LMZ740>746-180100-
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 1007.7F 1/ 5
WAUKEGAN HARBOR 49 52 340/ 8/ 12 1010.2S 1/ 5
HARRISON CRIB 81 200/ 26/ 29 N/A
NORTHERLY ISL 83 200/ 16/ 23 N/A
CALUMET HARBOR 84 180/ 14/ 21 1009.9
BURNS HARBOR 81 200/ 10/ 16 1010.8S
MICHIGAN CITY 83 180/ 19/ 27 1008.6S
ST. JOSEPH BUOY 68 190/ 14/ 17 1011.6R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 81 65 58 S15G32 29.75F HX 83 TC 27
GALESBURG* PTSUNNY 82 64 54 S14 29.76F HX 84 TC 28
MACOMB* SUNNY 84 65 53 S16G26 29.78S HX 85 TC 29
JACKSONVILLE* MOSUNNY 81 65 59 S17G23 29.81S HX 83 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-180100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 80 66 62 S23G32 29.83S HX 82 TC 27
DECATUR MOSUNNY 81 66 60 S21G32 29.85R HX 83 TC 27
PEORIA PTSUNNY 82 63 52 S18G25 29.79S HX 83 TC 28
6HR MIN TEMP: 79; 6HR MAX TEMP: 84;
SPRINGFIELD MOSUNNY 83 64 52 S17G23 29.81S HX 84 TC 28
6HR MIN TEMP: 80; 6HR MAX TEMP: 85;
TAYLORVILLE SUNNY 82 64 54 S14G22 29.85R HX 84 TC 28
ILZ033-039-045-046-055>057-062-063-180100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 81 63 54 S24G35 29.87S HX 82 TC 27
DANVILLE* MOSUNNY 80 60 50 S14G21 29.90S HX 81 TC 27
MATTOON MOSUNNY 80 62 54 S15G25 29.88S HX 81 TC 27
PARIS* PTCLDY 81 59 47 S15 29.92S HX 81 TC 27
ILZ079-100>102-180100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 84 66 54 S21G28 29.85R HX 86 TC 29
BELLEVILLE SUNNY 84 65 52 S13 29.84S HX 86 TC 29
CAHOKIA* MOSUNNY 85 64 49 S12G21 29.84R HX 86 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 84 61 45 S15G25 29.90S HX 84 TC 29
6HR MIN TEMP: 83; 6HR MAX TEMP: 88;
CAIRO* SUNNY 86 59 39 S14 29.92F HX 85 TC 30
EFFINGHAM* SUNNY 81 64 55 SE12 29.91F HX 82 TC 27
MARION SUNNY 82 59 44 S14G23 29.92S HX 82 TC 28
MT. VERNON SUNNY 83 63 50 S9 29.91S HX 84 TC 28
CENTRALIA* SUNNY 83 63 50 S15 29.89S HX 83 TC 28
SALEM* SUNNY 83 64 52 S9G16 29.89S HX 85 TC 29
ILZ067-068-072-073-078-083-087-091-180100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 82 58 43 S14 29.93S HX 82 TC 28
FLORA* SUNNY 82 63 51 S15 29.92S HX 83 TC 28
FAIRFIELD* SUNNY 82 54 37 S12 29.92F HX 81 TC 28
HARRISBURG* SUNNY 83 56 39 S10 29.94S HX 82 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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