844
ASUS43 KLOT 270903
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT MON APR 27 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.
ILZ001-002-007-009-015-016-024-271000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE NOT AVBL
STERLING* MOCLDY 59 50 72 E15 29.81F TC 15
SAVANNA* CLOUDY 60 49 66 SE18 29.79F TC 16
ILZ003-004-008-010-011-017-018-271000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 55 48 77 E13G30 29.86F TC 13
FREEPORT* CLOUDY 55 51 87 SE20G25 29.84F TC 13
DE KALB* MOCLDY 53 49 87 SE15 29.89F TC 12
ILZ005-006-012>014-019>023-271000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 53 48 83 SE9 29.92F TC 12
CHICAGO-MIDWAY CLOUDY 54 49 83 SE14 29.93F TC 12
AURORA CLOUDY 54 49 83 SE14 29.88F TC 12
JOLIET* CLOUDY 56 51 82 SE10 29.91F TC 14
WAUKEGAN MOCLDY 47 45 93 SE12G22 29.94F TC 8
DUPAGE AIRPORT MOCLDY 53 49 86 E8 29.90F TC 12
KANKAKEE* CLOUDY 55 49 82 SE13 29.93F TC 13
WHEELING MOCLDY 52 48 86 SE8 29.94F TC 11
MORRIS* CLOUDY 58 50 73 SE14 29.89F TC 15
LANSING* CLOUDY 53 47 82 SE10G18 29.95F TC 12
NORTHERLY ISL* N/A 51 48 89 E10 N/A TC 11
LMZ740>746-271000-
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 47 1015.9S 1/ 3
WAUKEGAN HARBOR 46 47 80/ 10/ 14 1014.5F 1/ 3
HARRISON CRIB 50 120/ 15/ 16 N/A
NORTHERLY ISL 51 130/ 7/ 11 N/A
CALUMET HARBOR 54 110/ 10/ 14 1013.9F
BURNS HARBOR 54 130/ 8/ 12 1015.2S
MICHIGAN CITY 52 120/ 13/ 16 1014.2F
ST. JOSEPH BUOY 51 120/ 12/ 17 1016.6F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 64 57 78 S16G32 29.72F TC 18
GALESBURG* CLOUDY 64 52 65 SE8G16 29.77R TC 18
MACOMB* CLOUDY 64 56 75 SE24 29.75F TC 18
JACKSONVILLE* MOCLDY 63 56 78 SE21 29.77F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-271000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 60 50 69 SE18G26 29.86F TC 16
DECATUR MOCLDY 63 50 62 SE15 29.87F TC 17
PEORIA CLOUDY 64 51 62 SE14G24 29.80F TC 18
LINCOLN* CLOUDY 64 53 68 S15G22 29.83F TC 18
SPRINGFIELD CLOUDY 61 56 83 SE16 29.82F TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 59 50 72 SE16 29.89F TC 15
DANVILLE* CLOUDY 58 50 75 SE12 29.93F TC 14
MATTOON MOCLDY 61 50 67 SE16 29.89F TC 16
PARIS* CLOUDY 58 49 70 SE10 29.93F TC 15
ILZ079-100>102-271000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 61 58 91 SE9 29.87S TC 16
CAHOKIA* MOCLDY 62 59 90 E6 29.81F TC 17
SPARTA* CLOUDY 61 60 97 E10 29.84F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 66 55 67 SE9 29.84F TC 19
CAIRO* CLOUDY 70 55 60 SE6 29.85S TC 21
EFFINGHAM* CLOUDY 63 52 67 E9 29.92R TC 17
MARION PTCLDY N/A N/A N/A SE7 29.86F
CENTRALIA* RAIN 64 54 70 CALM 29.89R TC 18
SALEM* CLOUDY 65 54 66 SE7 29.88S TC 19
ILZ067-068-072-073-078-083-087-091-271000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 61 50 67 SE8 29.93S TC 16
FLORA* MOCLDY 63 50 63 SE13 29.91R TC 17
FAIRFIELD* PTCLDY 64 50 59 SE9 29.90R TC 18
HARRISBURG* PTCLDY 65 53 65 E8 29.88F TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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