557
ASUS43 KLOT 271406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-271500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 60 56 86 SE12G28 29.62F FOG TC 16
STERLING* PTSUNNY 62 51 67 SE12G22 29.75F TC 17
SAVANNA* PTSUNNY 61 50 66 SE17G24 29.72S TC 16
ILZ003-004-008-010-011-017-018-271500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 58 50 75 SE12G23 29.79F TC 14
FREEPORT* CLOUDY 59 54 82 SE22G29 29.74F TC 15
ROCHELLE* CLOUDY 59 48 67 SE21G28 29.77F TC 15
DE KALB* CLOUDY 56 51 83 SE16G22 29.81F TC 13
PERU* PTSUNNY 62 51 67 SE17G23 29.78R TC 17
ILZ005-006-012>014-019>023-271500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 57 49 74 S12 29.84S TC 14
CHICAGO-MIDWAY CLOUDY 57 50 77 S10 29.86R TC 14
AURORA LGT RAIN 56 52 86 SE16 29.81S FOG TC 13
JOLIET* LGT RAIN 58 53 84 SE6 29.85R TC 15
WAUKEGAN CLOUDY 49 46 90 SE13 29.85F TC 9
DUPAGE AIRPORT LGT RAIN 58 51 78 SE10 29.83R TC 14
KANKAKEE* CLOUDY 58 51 78 SE12 29.85F TC 14
WHEELING PTSUNNY 57 50 77 S12 29.86S TC 14
MORRIS* LGT RAIN 60 51 72 SE12 29.82S TC 16
ROMEOVILLE* LGT RAIN 57 54 88 SE15 29.85R TC 14
LANSING* CLOUDY 56 49 78 SE8 29.87R TC 14
NORTHERLY ISL* N/A 53 48 83 SE7 N/A TC 12
LMZ740>746-271500-
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 1014.9F 3/ 4
WAUKEGAN HARBOR 47 47 90/ 12/ 16 1011.8F 2/ 4
HARRISON CRIB 53 150/ 15/ 17 N/A
NORTHERLY ISL 54 140/ 6/ 8 N/A
CALUMET HARBOR 56 120/ 10/ 13 1010.6
BURNS HARBOR 57 140/ 7/ 15 1011.9F
MICHIGAN CITY 57 140/ 17/ 21 1010.5F
ST. JOSEPH BUOY 55 130/ 16/ 23 1012.8F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-271500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 62 60 93 W32G45 29.70R VSB 1 TC 17
GALESBURG* RAIN 59 57 94 E16G25 29.60F TC 15
MACOMB* HVY RAIN 60 60 100 S21 29.68R TC 16
JACKSONVILLE* CLOUDY 59 59 100 E17 29.68F TC 15
PITTSFIELD* CLOUDY 60 60 98 SE22 29.64F TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-271500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 62 49 63 MISG 29.79F TC 17
BLOOMINGTON LGT RAIN 59 55 87 S16 29.79S TC 15
DECATUR TSTM 60 54 80 S17G28 29.78F TC 16
PEORIA HVY RAIN 59 56 89 SE12G23 29.72F FOG TC 15
LACON* PTSUNNY 61 51 69 S13 29.75S TC 16
LINCOLN* TSTM 60 59 97 SW7 29.81R TC 15
SPRINGFIELD CLOUDY 60 58 92 SE8G24 29.77 THUNDER TC 16
TAYLORVILLE CLOUDY 61 57 88 SE23G31 29.73F THUNDER TC 16
ILZ033-039-045-046-055>057-062-063-271500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 60 53 77 SE18 29.81F TC 16
DANVILLE* CLOUDY 62 51 66 SE15 29.85F TC 17
RANTOUL* MOSUNNY 60 51 71 SE18G24 29.81F TC 16
MATTOON LGT RAIN 60 54 80 SE16G32 29.81F TC 16
PARIS* PTSUNNY 60 51 71 SE14 29.84F TC 16
ILZ079-100>102-271500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 59 77 S21G30 29.74S TC 19
BELLEVILLE CLOUDY 68 63 84 S15 29.72F TC 20
CAHOKIA* CLOUDY 65 59 81 S10G22 29.73R TC 18
SPARTA* CLOUDY 62 62 97 SE14G21 29.76F TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE TSTM 64 62 93 CALM 29.80F VSB 1 TC 18
CAIRO* PTSUNNY 71 64 80 S16 29.81F TC 22
EFFINGHAM* LGT RAIN 61 59 92 E10 29.83S TC 16
MARION CLOUDY 63 63 100 SE12 29.80F TC 17
CENTRALIA* CLOUDY 66 60 82 SE15G25 29.79F THUNDER TC 19
SALEM* CLOUDY 65 62 88 SE10 29.80F TC 19
METROPOLIS* PTSUNNY 67 63 84 SE6 29.85F TC 20
ILZ067-068-072-073-078-083-087-091-271500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 63 54 72 S15 29.88R TC 17
FLORA* LGT RAIN 63 59 88 SE12 29.84F TC 17
FAIRFIELD* CLOUDY 67 57 71 S21G26 29.85F THUNDER TC 19
HARRISBURG* PTSUNNY 61 59 91 SE13 29.84F THUNDER TC 16
ROBINSON* MOSUNNY 63 54 72 S12 29.88R TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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