566
ASUS43 KLOT 151901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT FRI MAY 15 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.
ILZ001-002-007-009-015-016-024-152000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 78 55 44 S13G22 29.79F TC 26
STERLING* SUNNY 78 53 41 VRB7 29.83F TC 26
SAVANNA* SUNNY 78 51 39 SW8G16 29.81F TC 26
ILZ003-004-008-010-011-017-018-152000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 76 53 44 S14G24 29.84F TC 24
FREEPORT* SUNNY 76 56 48 SW14G20 29.84F TC 25
DE KALB* SUNNY 72 52 50 S20G28 29.87F TC 22
PERU* SUNNY 75 52 43 S15 29.85F TC 24
ILZ005-006-012>014-019>023-152000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 69 47 45 S17G30 29.88F TC 21
CHICAGO-MIDWAY MOSUNNY 68 45 43 S20G30 29.90F TC 20
AURORA SUNNY 74 50 42 S16G31 29.86F TC 23
JOLIET* SUNNY 72 51 48 S16G22 29.89F TC 22
WAUKEGAN SUNNY 70 51 51 S21 29.86F TC 21
DUPAGE AIRPORT SUNNY 69 49 48 S17G29 29.87F TC 21
KANKAKEE* SUNNY 69 49 47 S16 29.93F TC 21
WHEELING PTSUNNY 69 49 48 S17G29 29.89F TC 21
MORRIS* SUNNY 73 48 40 S18 29.88F TC 23
ROMEOVILLE* SUNNY 70 50 49 S22G30 29.90F TC 21
LANSING* SUNNY 67 45 44 S20G25 29.93F TC 20
NORTHERLY ISL* N/A 68 45 43 SE18 N/A TC 20
LMZ740>746-152000-
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 1010.6F 2/ 4
WAUKEGAN HARBOR 60 50 190/ 14/ 17 1012.3F 2/ 4
HARRISON CRIB 62 180/ 20/ 21 N/A
NORTHERLY ISL 65 170/ 15/ 20 N/A
CALUMET HARBOR 65 170/ 14/ 23 1012.4F
BURNS HARBOR 66 180/ 9/ 14 1013.9F
MICHIGAN CITY 63 170/ 18/ 24 1012.4F
ST. JOSEPH BUOY 59 180/ 14/ 16 1014.6F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-152000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 77 59 53 S10G21 29.81F TC 25
GALESBURG* SUNNY 74 55 50 S12 29.83F TC 24
MACOMB* SUNNY 75 59 56 SE5 29.85S TC 24
JACKSONVILLE* SUNNY 74 58 56 S10 29.85S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-152000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 69 55 60 S21 29.90F TC 21
DECATUR SUNNY 69 53 56 S16G23 29.90F TC 21
PEORIA SUNNY 71 55 56 S14G22 29.85F TC 22
SPRINGFIELD SUNNY 75 57 53 S9 29.86F TC 24
TAYLORVILLE SUNNY 72 57 60 S13G21 29.88F TC 22
ILZ033-039-045-046-055>057-062-063-152000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 67 55 65 S18G31 29.93F TC 19
DANVILLE* CLOUDY 65 49 57 SE16G24 29.94F TC 18
MATTOON CLOUDY 67 53 61 SE15G26 29.92F TC 19
PARIS* CLOUDY 62 51 66 SE16 29.96F TC 17
ILZ079-100>102-152000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 55 41 S22 29.87S HX 80 TC 27
BELLEVILLE SUNNY 81 59 46 SW22G29 29.86F HX 81 TC 27
CAHOKIA* MOSUNNY 81 56 42 S14G22 29.86F HX 81 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 78 53 41 S18 29.92F TC 26
CAIRO* MOSUNNY 82 55 38 S14 29.94F HX 82 TC 28
EFFINGHAM* SUNNY 72 55 56 SE9 29.94F TC 22
MARION MOSUNNY 79 54 41 S20G25 29.93F TC 26
MT. VERNON SUNNY 79 55 43 S13G24 29.92F TC 26
CENTRALIA* SUNNY 78 53 41 S14G21 29.91S TC 26
SALEM* SUNNY 78 55 44 S17 29.90F TC 25
ILZ067-068-072-073-078-083-087-091-152000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 75 46 35 S17G26 29.95F TC 24
FLORA* MOSUNNY 75 54 46 S17G24 29.93F TC 24
FAIRFIELD* MOSUNNY 77 49 36 S17G24 29.94S TC 25
HARRISBURG* MOSUNNY 78 53 41 S15 29.95F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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