134
ASUS43 KLOT 171603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-171700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 73 66 78 S12 29.81F TC 23
STERLING* CLOUDY 74 66 76 VRB6 29.86R TC 23
SAVANNA* CLOUDY 72 65 77 S14G22 29.83S TC 22
ILZ003-004-008-010-011-017-018-171700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 74 65 73 SE15G24 29.84F TC 23
FREEPORT* CLOUDY 70 69 96 S12 29.89R TC 21
DE KALB* PTSUNNY 75 66 74 S16 29.89R TC 24
PERU* CLOUDY 79 64 61 S20G25 29.87R HX 81 TC 26
ILZ005-006-012>014-019>023-171700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 76 65 68 S13 29.88F TC 24
CHICAGO-MIDWAY PTSUNNY 78 65 63 S14 29.89F HX 80 TC 26
AURORA PTSUNNY 78 66 66 S14G22 29.87S HX 80 TC 26
JOLIET* PTSUNNY 79 68 69 S8G17 29.89S HX 81 TC 26
WAUKEGAN PTSUNNY 56 48 74 E5 29.92R TC 13
DUPAGE AIRPORT PTSUNNY 76 67 73 S10 29.87F TC 24
KANKAKEE* PTSUNNY 79 65 62 S14G21 29.92F HX 81 TC 26
WHEELING PTSUNNY 63 52 67 NE6 29.92S TC 17
MORRIS* PTSUNNY 79 64 61 S12 29.88S HX 81 TC 26
LANSING* PTSUNNY 80 67 63 S13G18 29.91F HX 82 TC 27
NORTHERLY ISL* N/A 60 54 80 N7 N/A TC 16
LMZ740>746-171700-
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 1005.6R 1/ 3
WAUKEGAN HARBOR 49 53 360/ 8/ 12 1013.7S 1/ 4
HARRISON CRIB 53 10/ 7/ 7 N/A
NORTHERLY ISL 57 330/ 4/ 10 N/A
CALUMET HARBOR 76 180/ 6/ 8 1012.9S
BURNS HARBOR 76 210/ 7/ 11 1013.9S
MICHIGAN CITY 78 190/ 12/ 16 1011.9F
ST. JOSEPH BUOY 64 180/ 6/ 8 1014.6F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-171700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 75 66 73 S16G24 29.84S TC 24
GALESBURG* PTSUNNY 77 65 65 S14G22 29.86R TC 25
MACOMB* CLOUDY 78 67 68 S14G20 29.87S HX 80 TC 26
JACKSONVILLE* CLOUDY 74 67 76 S16 29.88S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-171700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 79 66 65 S21G31 29.91R HX 81 TC 26
DECATUR PTSUNNY 75 68 78 S21G30 29.92S TC 24
PEORIA PTSUNNY 77 66 68 S13 29.88R TC 25
SPRINGFIELD CLOUDY 77 67 71 S18G26 29.89S TC 25
TAYLORVILLE CLOUDY 75 68 78 S15G26 29.91F TC 24
ILZ033-039-045-046-055>057-062-063-171700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 78 67 68 S24G36 29.93F HX 80 TC 26
DANVILLE* MOSUNNY 80 67 65 S23G30 29.96F HX 82 TC 26
MATTOON PTSUNNY 76 65 68 S16G26 29.96F TC 24
PARIS* MOSUNNY 77 65 65 S22G29 29.98F TC 25
ILZ079-100>102-171700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 66 69 S21G33 29.90F TC 25
BELLEVILLE PTSUNNY 80 70 69 SW18G26 29.91F HX 84 TC 27
CAHOKIA* PTSUNNY 80 66 62 S17G25 29.89F HX 82 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 81 66 60 S14G24 29.99F HX 83 TC 27
CAIRO* PTSUNNY 81 66 59 S13G18 30.03S HX 83 TC 27
EFFINGHAM* PTSUNNY 77 68 72 SE14 29.98F TC 25
MARION MOSUNNY 79 64 61 S14 30.02S HX 81 TC 26
MT. VERNON MOSUNNY 80 67 64 S14G23 30.00S HX 82 TC 27
CENTRALIA* PTSUNNY 79 67 65 S18 29.97F HX 81 TC 26
SALEM* PTSUNNY 79 67 68 S14G24 29.96F HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-171700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 79 67 66 S18 30.01F HX 81 TC 26
FLORA* MOSUNNY 79 66 65 S21 29.99F HX 81 TC 26
FAIRFIELD* MOSUNNY 80 64 58 S14G22 30.00F HX 81 TC 26
HARRISBURG* MOSUNNY 80 65 60 SW13 30.03F HX 82 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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