400
ASUS43 KLOT 152301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-160000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 81 59 47 SE13G25 29.74S HX 81 TC 27
STERLING* SUNNY 80 56 43 VRB7 29.78F HX 80 TC 27
SAVANNA* SUNNY 83 54 37 SE15 29.75F HX 82 TC 28
ILZ003-004-008-010-011-017-018-160000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 79 54 41 S14G23 29.79F TC 26
FREEPORT* SUNNY 80 56 43 S14G21 29.79F HX 81 TC 27
DE KALB* SUNNY 75 56 50 S14G23 29.83S TC 24
PERU* SUNNY 79 55 44 S17 29.81S TC 26
ILZ005-006-012>014-019>023-160000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 75 50 41 S13G24 29.82F TC 24
CHICAGO-MIDWAY SUNNY 75 49 39 S17 29.84S TC 24
AURORA SUNNY 77 54 44 S15G24 29.82S TC 25
JOLIET* SUNNY 75 55 49 S9 29.84F TC 24
WAUKEGAN SUNNY 73 52 47 SE10 29.82S TC 23
DUPAGE AIRPORT SUNNY 74 54 49 S13 29.82F TC 23
KANKAKEE* SUNNY 72 54 53 S13 29.88S TC 22
WHEELING SUNNY 75 50 41 S16G23 29.84S TC 24
MORRIS* SUNNY 75 54 46 S12 29.83S TC 24
ROMEOVILLE* SUNNY 75 54 46 S14G23 29.85S TC 24
LANSING* SUNNY 72 49 44 S13G20 29.87S TC 22
NORTHERLY ISL* N/A 73 46 38 S13 N/A TC 23
LMZ740>746-160000-
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 1009.7F 2/ 3
WAUKEGAN HARBOR 55 51 120/ 10/ 16 1010.6F 2/ 4
HARRISON CRIB 67 170/ 16/ 18 N/A
NORTHERLY ISL 73 170/ 10/ 17 N/A
CALUMET HARBOR 73 190/ 9/ 17 1010.7
BURNS HARBOR 72 190/ 11/ 14 1011.9F
MICHIGAN CITY 71 160/ 14/ 19 1010.2S
ST. JOSEPH BUOY 61 180/ 10/ 12 1012.7F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-160000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 81 63 54 S8 29.75F HX 82 TC 27
GALESBURG* SUNNY 78 58 50 SE12G21 29.78F TC 26
MACOMB* SUNNY 80 61 51 S13G22 29.80S HX 81 TC 27
JACKSONVILLE* SUNNY 80 62 53 SE7 29.79F HX 81 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-160000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 75 59 57 S21 29.85S TC 24
DECATUR MOSUNNY 76 57 51 S10 29.85S TC 24
PEORIA SUNNY 77 60 55 S9 29.80S TC 25
SPRINGFIELD MOSUNNY 79 59 50 S12 29.81F HX 80 TC 26
TAYLORVILLE MOSUNNY 79 61 53 SE12 29.83F HX 80 TC 26
ILZ033-039-045-046-055>057-062-063-160000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 72 57 59 S16 29.88S TC 22
DANVILLE* SUNNY 72 54 52 S13G20 29.90F TC 22
MATTOON MOSUNNY 75 57 53 S10 29.87S TC 24
PARIS* SUNNY 73 53 50 S14 29.90F TC 23
ILZ079-100>102-160000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 59 47 S17G23 29.83S HX 81 TC 27
CAHOKIA* PTSUNNY 81 61 50 S7 29.82S HX 82 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 80 59 48 S12 29.88R HX 81 TC 27
CAIRO* PTSUNNY 83 60 44 S14G21 29.89S HX 83 TC 29
EFFINGHAM* MOSUNNY 79 59 51 S8 29.89S HX 80 TC 26
MARION PTSUNNY 81 61 50 S12 29.89R HX 81 TC 27
MT. VERNON PTSUNNY 80 60 50 S13 29.89R HX 81 TC 27
CENTRALIA* PTSUNNY 79 58 47 S10 29.87F HX 80 TC 26
SALEM* MOSUNNY 80 59 49 S10 29.87F HX 81 TC 27
ILZ067-068-072-073-078-083-087-091-160000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 79 52 38 S16 29.89F TC 26
FLORA* MOSUNNY 79 59 50 S13 29.89S HX 80 TC 26
FAIRFIELD* PTSUNNY 81 55 41 S14 29.89S HX 80 TC 27
HARRISBURG* PTSUNNY 79 59 49 S9 29.91R HX 80 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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