959
ASUS43 KLOT 152003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-152100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 79 56 45 S12G21 29.78F HX 80 TC 26
STERLING* SUNNY 80 53 39 VRB5 29.82F HX 80 TC 27
SAVANNA* SUNNY 81 54 39 SW12G17 29.79F HX 80 TC 27
ILZ003-004-008-010-011-017-018-152100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 79 53 40 S12G25 29.82F TC 26
FREEPORT* SUNNY 79 55 44 S8G16 29.82F HX 80 TC 26
DE KALB* SUNNY 74 53 48 S15G23 29.85F TC 24
PERU* SUNNY 77 52 41 S17 29.84F TC 25
ILZ005-006-012>014-019>023-152100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 71 48 43 S18G25 29.86F TC 22
CHICAGO-MIDWAY SUNNY 71 47 42 S13G32 29.88F TC 22
AURORA SUNNY 76 51 41 SE18G29 29.84F TC 24
JOLIET* SUNNY 74 51 44 S14 29.87F TC 24
WAUKEGAN SUNNY 72 51 47 S20G26 29.84F TC 22
DUPAGE AIRPORT SUNNY 72 51 47 S15G25 29.85F TC 22
KANKAKEE* SUNNY 72 47 41 S13G22 29.90F TC 22
WHEELING SUNNY 71 48 43 S20G26 29.87F TC 22
MORRIS* SUNNY 75 48 38 S18 29.86F TC 24
ROMEOVILLE* SUNNY 68 48 49 S17G28 29.88F TC 20
LANSING* SUNNY 70 47 43 S13G18 29.91F TC 21
NORTHERLY ISL* N/A 69 44 40 S9 N/A TC 21
LMZ740>746-152100-
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 1010.2F 2/ 3
WAUKEGAN HARBOR 59 50 170/ 10/ 14 1011.8F 2/ 4
HARRISON CRIB 64 190/ 19/ 21 N/A
NORTHERLY ISL 68 200/ 11/ 21 N/A
CALUMET HARBOR 67 180/ 14/ 21 1012.1
BURNS HARBOR 68 180/ 9/ 14 1013.5F
MICHIGAN CITY 66 160/ 16/ 19 1011.8F
ST. JOSEPH BUOY 58 170/ 12/ 16 1014.0F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-152100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 79 59 50 S9 29.80F HX 80 TC 26
GALESBURG* SUNNY 77 57 50 S12G18 29.82F TC 25
MACOMB* SUNNY 77 60 55 S9 29.83F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-152100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 72 57 59 S16 29.88F TC 22
DECATUR SUNNY 73 56 54 S16G25 29.89F TC 23
PEORIA SUNNY 74 57 55 S13 29.84F TC 23
SPRINGFIELD SUNNY 77 59 53 S15 29.85F TC 25
TAYLORVILLE SUNNY 75 59 57 S10 29.88S TC 24
ILZ033-039-045-046-055>057-062-063-152100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 70 55 59 S21 29.91F TC 21
DANVILLE* SUNNY 68 50 53 S16 29.94S TC 20
MATTOON SUNNY 72 54 53 S12G24 29.92S TC 22
PARIS* PTSUNNY 67 52 58 S17 29.94F TC 20
ILZ079-100>102-152100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 59 44 S17 29.84F HX 82 TC 28
BELLEVILLE SUNNY 81 61 49 S18 29.83F HX 82 TC 27
CAHOKIA* MOSUNNY 84 59 42 S10G21 29.83F HX 84 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 82 55 39 S18G28 29.90F HX 81 TC 28
CAIRO* PTSUNNY 83 58 41 S15 29.92F HX 83 TC 29
EFFINGHAM* SUNNY 75 56 50 SE12 29.93F TC 24
MARION MOSUNNY 81 55 41 S12G23 29.92F HX 80 TC 27
MT. VERNON SUNNY 81 57 43 S18 29.91F HX 81 TC 27
CENTRALIA* SUNNY 80 55 41 S12G21 29.89F HX 80 TC 27
SALEM* SUNNY 80 56 42 S15G23 29.90S HX 80 TC 27
ILZ067-068-072-073-078-083-087-091-152100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 77 47 34 S22G28 29.94F TC 25
FLORA* SUNNY 77 55 47 S17 29.92F TC 25
FAIRFIELD* SUNNY 79 51 38 S16G23 29.92F TC 26
HARRISBURG* SUNNY 79 55 43 S10 29.93F TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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