884
ASUS43 KLOT 152210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-152300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 81 59 47 SE12G24 29.74F HX 81 TC 27
STERLING* SUNNY 81 55 40 S10 29.79F HX 81 TC 27
SAVANNA* SUNNY 84 54 35 S13 29.76F HX 83 TC 29
ILZ003-004-008-010-011-017-018-152300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 79 53 40 S18G26 29.80F TC 26
FREEPORT* SUNNY 81 56 42 S18G24 29.80S HX 81 TC 27
ROCHELLE* SUNNY 81 50 34 S16G22 29.81S HX 80 TC 27
DE KALB* SUNNY 76 55 47 S18 29.83F TC 24
PERU* SUNNY N/A N/A N/A S14 29.81F
ILZ005-006-012>014-019>023-152300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 75 49 39 S15G23 29.83F TC 24
CHICAGO-MIDWAY SUNNY 75 48 38 S15G24 29.84F TC 24
AURORA SUNNY 77 53 43 S16G25 29.82F TC 25
JOLIET* SUNNY 76 54 45 S10 29.85S TC 25
WAUKEGAN SUNNY 74 51 44 SW16G23 29.82S TC 23
DUPAGE AIRPORT SUNNY 74 52 46 S15G25 29.83S TC 23
KANKAKEE* SUNNY 72 53 50 S15 29.89S TC 22
WHEELING MOSUNNY 74 51 44 S15 29.84F TC 23
MORRIS* SUNNY 75 54 46 S14 29.83S TC 24
ROMEOVILLE* SUNNY 75 52 43 S14G23 29.85F TC 24
LANSING* SUNNY 72 47 41 S15G23 29.87F TC 22
NORTHERLY ISL* N/A 73 48 41 SE13 N/A TC 23
LMZ740>746-152300-
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 1009.6 2/ 4
WAUKEGAN HARBOR 54 51 110/ 10/ 14 1011.0 2/ 4
HARRISON CRIB 68 180/ 17/ 18 N/A
NORTHERLY ISL 72 140/ 12/ 17 N/A
CALUMET HARBOR 72 180/ 10/ 14 1010.6F
BURNS HARBOR 72 170/ 9/ 12 1012.2F
MICHIGAN CITY 70 150/ 16/ 23 1010.2F
ST. JOSEPH BUOY 60 180/ 10/ 12 1012.9F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-152300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 82 62 50 S10 29.77F HX 83 TC 28
GALESBURG* SUNNY 79 58 49 S12G17 29.79S HX 80 TC 26
MACOMB* SUNNY 81 61 51 S15 29.80F HX 81 TC 27
JACKSONVILLE* SUNNY 80 60 50 S10 29.80F HX 81 TC 27
PITTSFIELD* MOSUNNY 82 63 51 S8 29.80S HX 83 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-152300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 77 56 48 MISG 29.85S TC 25
BLOOMINGTON SUNNY 74 59 59 S18 29.85F TC 23
DECATUR MOSUNNY 76 58 53 S13 29.85F TC 24
PEORIA SUNNY 77 59 53 S13G22 29.80F TC 25
LACON* SUNNY 77 57 49 S13 29.80F TC 25
LINCOLN* MOSUNNY 77 60 55 S9G17 29.83F TC 25
SPRINGFIELD MOSUNNY 80 58 46 S15G23 29.82S HX 80 TC 27
TAYLORVILLE MOSUNNY 79 61 53 S14 29.84S HX 80 TC 26
ILZ033-039-045-046-055>057-062-063-152300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 74 57 55 S21 29.88F TC 23
DANVILLE* SUNNY 71 53 54 S15 29.91F TC 22
RANTOUL* SUNNY 72 56 56 S15G21 29.88F TC 22
MATTOON MOSUNNY 74 54 49 S13G24 29.87F TC 23
PARIS* SUNNY 73 54 51 S16 29.91F TC 23
ILZ079-100>102-152300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 59 47 S18 29.83F HX 81 TC 27
BELLEVILLE PTSUNNY 81 62 53 S15 29.83S HX 82 TC 27
CAHOKIA* PTSUNNY 81 60 48 S12 29.82F HX 82 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 81 58 45 S14 29.87S HX 81 TC 27
CAIRO* PTSUNNY 82 59 44 S13G20 29.90F HX 82 TC 28
EFFINGHAM* MOSUNNY 79 57 46 SE9 29.89F HX 80 TC 26
MARION PTSUNNY 81 57 44 S14 29.88F HX 81 TC 27
MT. VERNON PTSUNNY 80 58 46 S17 29.88S HX 80 TC 27
CENTRALIA* PTSUNNY 82 57 43 S12G17 29.88R HX 81 TC 28
SALEM* MOSUNNY 81 58 46 S13 29.88R HX 81 TC 27
METROPOLIS* PTSUNNY 80 59 48 S12G18 29.92S HX 80 TC 27
ILZ067-068-072-073-078-083-087-091-152300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 80 50 34 S17 29.91F HX 80 TC 27
FLORA* MOSUNNY 79 57 47 S15 29.88F HX 80 TC 26
FAIRFIELD* PTSUNNY 80 54 39 S13G20 29.88F HX 80 TC 27
HARRISBURG* PTSUNNY 80 58 46 S12 29.90F HX 80 TC 27
ROBINSON* SUNNY 79 54 41 S16 29.90F TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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