457
ASUS43 KLOT 151501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.
ILZ001-002-007-009-015-016-024-151600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 68 52 56 S16G22 29.84F TC 20
STERLING* SUNNY 65 51 60 S8G20 29.89F TC 18
SAVANNA* SUNNY 66 50 57 S15G21 29.86F TC 19
ILZ003-004-008-010-011-017-018-151600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 64 50 60 S20G31 29.90F TC 18
FREEPORT* SUNNY 65 54 67 S18G26 29.89F TC 18
DE KALB* MOSUNNY 62 50 65 S23 29.93F TC 17
ILZ005-006-012>014-019>023-151600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 59 45 59 S17G25 29.93F TC 15
CHICAGO-MIDWAY CLOUDY 58 46 64 S16G29 29.96S TC 14
AURORA PTSUNNY 62 49 62 S21G28 29.94F TC 17
JOLIET* CLOUDY 58 49 72 S7 29.97F TC 15
WAUKEGAN PTSUNNY 61 45 55 SW21G26 29.91F TC 16
DUPAGE AIRPORT PTSUNNY 59 48 67 S16G32 29.93F TC 15
KANKAKEE* CLOUDY 56 47 73 S12G18 30.00S TC 13
WHEELING CLOUDY 60 46 59 SW17G29 29.94F TC 16
MORRIS* CLOUDY 57 46 67 S17 29.95F TC 14
ROMEOVILLE* CLOUDY 57 48 72 S17G26 29.97S TC 14
LANSING* CLOUDY 57 46 65 SW15G22 29.99S TC 14
NORTHERLY ISL* N/A 58 43 57 S15 N/A TC 14
LMZ740>746-151600-
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 50 1012.1F 1/ 3
WAUKEGAN HARBOR 58 51 210/ 16/ 19 1013.9 1/ 3
HARRISON CRIB 60 200/ 26/ 29 N/A
NORTHERLY ISL 59 180/ 13/ 22 N/A
CALUMET HARBOR 58 180/ 12/ 16 1014.5
BURNS HARBOR 60 190/ 10/ 14 1015.2F
MICHIGAN CITY 60 180/ 17/ 22 1014.1F
ST. JOSEPH BUOY 57 200/ 12/ 16 1015.9F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-151600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 65 52 62 S13 29.86F TC 18
GALESBURG* SUNNY 62 51 68 S15G23 29.90S TC 17
MACOMB* SUNNY 62 55 77 SE15 29.91F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-151600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 58 50 75 S23G29 29.95F TC 14
DECATUR CLOUDY 55 48 77 SE13 29.96F TC 13
PEORIA NOT AVBL
LACON* MOSUNNY 62 50 65 S15 29.91F TC 16
SPRINGFIELD LGT RAIN 59 50 72 SE13 29.92F TC 15
TAYLORVILLE CLOUDY 55 48 76 SE13 29.95S TC 13
ILZ033-039-045-046-055>057-062-063-151600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 56 48 74 SE16 29.99F TC 13
DANVILLE* CLOUDY 53 48 84 SE8 30.03F TC 12
MATTOON CLOUDY 54 48 80 SE12 29.99F TC 12
PARIS* CLOUDY 54 47 76 SE13 30.02F TC 12
ILZ079-100>102-151600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 64 46 52 SE16 29.94F TC 18
CAHOKIA* PTSUNNY 68 47 46 SE17G24 29.93F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 67 46 47 SE9 30.00S TC 19
CAIRO* PTSUNNY 72 47 41 S7 30.02S TC 22
EFFINGHAM* PTSUNNY 58 50 72 SE15G22 30.00S TC 15
MARION PTSUNNY 64 45 48 S12 30.02R TC 18
MT. VERNON CLOUDY 63 45 51 SE13G21 30.01F TC 17
CENTRALIA* CLOUDY 63 45 50 SE17 29.99F TC 17
SALEM* CLOUDY 60 47 61 SE9G20 29.98F TC 16
METROPOLIS* SUNNY 70 47 43 SE7 30.03S TC 21
ILZ067-068-072-073-078-083-087-091-151600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 55 47 74 S23 29.96F TC 13
FLORA* PTSUNNY 59 50 72 S20G25 30.00F TC 15
FAIRFIELD* CLOUDY 59 44 57 S14 30.00F TC 15
HARRISBURG* CLOUDY 64 47 53 SE10 30.05R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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