841
ASUS43 KLOT 160401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-160500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 71 59 65 SE10 29.71S TC 22
STERLING* PTCLDY 71 58 63 SE8 29.76F TC 22
SAVANNA* CLOUDY 73 57 58 SE13G22 29.72F TC 23
ILZ003-004-008-010-011-017-018-160500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 69 56 62 SE14G24 29.77F TC 21
FREEPORT* PTCLDY 71 60 68 S14 29.76F TC 22
DE KALB* CLEAR 66 56 68 S14 29.82S TC 19
PERU* CLEAR 70 55 60 SE15 29.79R TC 21
ILZ005-006-012>014-019>023-160500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 67 53 61 S13G21 29.81F TC 19
CHICAGO-MIDWAY CLEAR 67 52 58 S15G21 29.82F TC 19
AURORA CLEAR 66 55 67 S13 29.80F TC 19
JOLIET* CLEAR 67 53 60 S6 29.83S TC 20
WAUKEGAN CLEAR 66 54 65 S12G22 29.79F TC 19
DUPAGE AIRPORT CLEAR 66 54 65 S16G23 29.80F TC 19
KANKAKEE* CLEAR 63 51 65 SE9 29.85F TC 17
WHEELING CLEAR 67 54 63 S14 29.82F TC 19
MORRIS* CLEAR 68 54 60 SE12 29.81S TC 20
LANSING* CLEAR 64 51 62 S8 29.85S TC 18
NORTHERLY ISL* N/A 66 50 56 S12 N/A TC 19
LMZ740>746-160500-
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 1008.9F 2/ 3
WAUKEGAN HARBOR 55 52 150/ 10/ 12 1010.1F 1/ 3
HARRISON CRIB 62 160/ 13/ 14 N/A
NORTHERLY ISL 66 180/ 7/ 14 N/A
CALUMET HARBOR 67 160/ 9/ 14 1010.1
BURNS HARBOR 65 170/ 7/ 12 1011.5F
MICHIGAN CITY 65 150/ 10/ 12 1009.7F
ST. JOSEPH BUOY 59 160/ 10/ 14 1012.0F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-160500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 72 62 71 S13 29.77R TC 22
GALESBURG* CLEAR 71 60 69 S9G16 29.78R TC 22
MACOMB* PTCLDY 72 64 75 S12 29.79R TC 22
JACKSONVILLE* PTCLDY 72 63 72 S10G18 29.80S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-160500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 68 60 75 S20 29.83R TC 20
DECATUR PTCLDY 69 59 70 S13 29.84S TC 21
PEORIA PTCLDY 71 60 68 S9 29.80R TC 22
SPRINGFIELD PTCLDY 72 61 68 S15 29.80S TC 22
TAYLORVILLE PTCLDY 70 61 73 S12 29.83F TC 21
ILZ033-039-045-046-055>057-062-063-160500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 67 57 70 SE15 29.86S TC 19
DANVILLE* PTCLDY 63 53 69 SE9 29.88S TC 17
MATTOON CLEAR 68 57 68 S12 29.86F TC 20
PARIS* PTCLDY 62 53 72 SE10 29.88F TC 17
ILZ079-100>102-160500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 71 62 73 SE3 29.83F TC 22
BELLEVILLE MOCLDY 71 63 78 S7 29.83R TC 21
CAHOKIA* MOCLDY 72 62 71 SE5 29.82F TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 76 61 59 S12 29.88F TC 24
CAIRO* CLOUDY 76 63 63 S7 29.92F TC 25
EFFINGHAM* PTCLDY 68 60 75 SE12 29.89F TC 20
MARION CLOUDY 73 60 62 S8 29.90F TC 23
MT. VERNON CLOUDY 73 59 61 S8 29.89S TC 23
CENTRALIA* MOCLDY 73 59 61 S9 29.87F TC 23
SALEM* MOCLDY 74 60 62 S7 29.88S TC 23
ILZ067-068-072-073-078-083-087-091-160500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 69 56 62 S9 29.91F TC 21
FLORA* MOCLDY 70 59 68 S12 29.90S TC 21
FAIRFIELD* CLOUDY 71 56 59 S9 29.91S TC 22
HARRISBURG* MOCLDY 68 59 74 S6 29.92S TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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