388
ASUS43 KLOT 271006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-271100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 63 52 67 SE16 29.73 TC 17
STERLING* MOCLDY 60 50 69 E12 29.82R TC 16
SAVANNA* MOCLDY 60 49 67 SE14 29.79S TC 15
ILZ003-004-008-010-011-017-018-271100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 55 49 80 E12G20 29.87R TC 13
FREEPORT* MOCLDY 56 52 86 SE16G23 29.84S TC 13
ROCHELLE* MOCLDY 55 48 78 SE17G23 29.85R TC 13
DE KALB* CLOUDY 53 49 87 SE13G20 29.87S TC 12
PERU* CLOUDY 61 50 67 SE16 29.83S TC 16
ILZ005-006-012>014-019>023-271100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 54 48 80 SE13 29.88F TC 12
CHICAGO-MIDWAY CLOUDY 54 49 83 SE9 29.90F TC 12
AURORA CLOUDY 55 50 83 SE15 29.86F TC 13
JOLIET* CLOUDY 56 51 82 SE13G20 29.88F TC 14
WAUKEGAN CLOUDY 46 44 93 SE12 29.90F TC 8
DUPAGE AIRPORT CLOUDY 54 49 83 SE10 29.88F TC 12
KANKAKEE* CLOUDY 54 49 85 SE14 29.90F TC 12
WHEELING CLOUDY 52 48 86 SE10 29.90F TC 11
MORRIS* CLOUDY 59 49 71 SE14G21 29.86F TC 15
ROMEOVILLE* CLOUDY 55 52 88 SE21G26 29.89F TC 13
LANSING* CLOUDY 52 47 83 SE12G20 29.92F TC 11
NORTHERLY ISL* N/A 52 48 86 E13 N/A TC 11
LMZ740>746-271100-
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 1015.4 2/ 3
WAUKEGAN HARBOR 46 47 100/ 12/ 16 1013.5 2/ 3
HARRISON CRIB 50 120/ 16/ 17 N/A
NORTHERLY ISL 51 130/ 8/ 11 N/A
CALUMET HARBOR 54 110/ 9/ 15 1012.9
BURNS HARBOR 54 130/ 9/ 14 1013.9F
MICHIGAN CITY 52 130/ 13/ 17 1013.1F
ST. JOSEPH BUOY 52 120/ 14/ 17 1015.5F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 62 57 83 SE16G24 29.70F TC 17
GALESBURG* CLOUDY 64 54 70 SE10 29.75F TC 18
MACOMB* CLOUDY 64 56 77 SE20G30 29.75R TC 18
JACKSONVILLE* CLOUDY 61 56 83 SE21 29.75F TC 16
PITTSFIELD* MOCLDY 62 59 90 SE15 29.73F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-271100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 57 49 74 MISG 29.86F TC 14
BLOOMINGTON CLOUDY 59 50 72 SE15G25 29.85F TC 15
DECATUR LGT RAIN 61 51 70 S16 29.84F TC 16
PEORIA CLOUDY 64 51 62 SE17G28 29.78F TC 18
LACON* CLOUDY 61 47 60 SE17G24 29.80S TC 16
LINCOLN* CLOUDY 62 55 77 SE14 29.81F TC 17
SPRINGFIELD CLOUDY 61 55 81 SE23G37 29.78F TC 16
TAYLORVILLE CLOUDY 57 55 94 SE21G30 29.80F TC 14
ILZ033-039-045-046-055>057-062-063-271100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 59 50 72 SE18 29.87F TC 15
DANVILLE* CLOUDY 58 50 75 SE13 29.91F TC 14
RANTOUL* CLOUDY 58 49 72 SE18 29.88F TC 15
MATTOON MOCLDY 61 50 67 SE15G25 29.87F TC 16
PARIS* CLOUDY 58 48 70 SE9G16 29.91F TC 15
ILZ079-100>102-271100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 61 58 89 SE12 29.81F TC 16
BELLEVILLE MOCLDY 62 60 95 E5 29.81R TC 17
CAHOKIA* MOCLDY 62 60 93 NE5 29.81S TC 17
SPARTA* TSTM 60 60 100 SE6 29.86S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 65 56 72 E8 29.81S TC 18
CAIRO* MOCLDY 69 56 63 SE8 29.84F TC 21
EFFINGHAM* LGT RAIN 61 54 77 SE10 29.91S TC 16
MARION PTCLDY 65 55 67 E9 29.85F TC 19
CENTRALIA* LGT RAIN 60 57 88 E6 29.86F TC 16
SALEM* RAIN 61 57 88 E6 29.87F TC 16
METROPOLIS* CLOUDY 67 56 67 E3 29.89R TC 19
ILZ067-068-072-073-078-083-087-091-271100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 60 51 72 SE5 29.92F TC 16
FLORA* LGT RAIN 63 52 67 SE8 29.90F TC 17
FAIRFIELD* MOCLDY 64 50 60 S5 29.90R TC 18
HARRISBURG* PTCLDY 65 53 66 SE10 29.87F TC 18
ROBINSON* CLOUDY 59 52 77 SE10 29.91F TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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