900
ASUS43 KLOT 272208
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM 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.
ILZ001-002-007-009-015-016-024-272300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 74 62 66 SW9 29.55R TC 23
STERLING* PTSUNNY 71 62 73 SW9 29.58R TC 22
SAVANNA* MOSUNNY 74 60 62 SW13 29.54S TC 23
ILZ003-004-008-010-011-017-018-272300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 60 73 S20G29 29.57R TC 21
FREEPORT* CLOUDY 69 64 81 SW20G25 29.57R TC 21
ROCHELLE* CLOUDY 67 59 74 S16G29 29.59R TC 20
DE KALB* PTSUNNY 67 60 79 S24G30 29.60R TC 20
PERU* CLOUDY 68 59 73 S20G25 29.61R TC 20
ILZ005-006-012>014-019>023-272300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 67 58 72 S12G22 29.59R TC 19
CHICAGO-MIDWAY CLOUDY 66 58 75 S14 29.60R TC 19
AURORA CLOUDY 67 59 75 S15G26 29.59S TC 19
JOLIET* CLOUDY 68 61 77 S5 29.62S TC 20
WAUKEGAN CLOUDY 57 53 86 S15G23 29.59R TC 14
DUPAGE AIRPORT CLOUDY 66 59 78 S20G29 29.58S TC 19
KANKAKEE* CLOUDY 65 59 80 SE9 29.63S TC 19
WHEELING CLOUDY 67 59 75 S16 29.61R TC 19
MORRIS* CLOUDY 68 59 74 S12 29.61S TC 20
ROMEOVILLE* PTSUNNY 66 61 82 S17G25 29.61S TC 19
LANSING* CLOUDY 65 57 74 S14G22 29.63S TC 19
NORTHERLY ISL* N/A 65 56 72 SE8 N/A TC 18
LMZ740>746-272300-
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 1014.4F 6/ 6
WAUKEGAN HARBOR 50 47 140/ 12/ 17 1004.4 5/ 6
HARRISON CRIB 62 180/ 23/ 25 N/A
NORTHERLY ISL 63 140/ 8/ 20 N/A
CALUMET HARBOR 64 150/ 15/ 22 1002.5R
BURNS HARBOR 64 170/ 8/ 14 1003.7R
MICHIGAN CITY 64 140/ 24/ 28 1001.1R
ST. JOSEPH BUOY 61 140/ 21/ 31 1004.6R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-272300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 66 62 87 W15G25 29.58S FOG TC 19
GALESBURG* PTSUNNY 69 62 78 S8 29.60R TC 21
MACOMB* LGT RAIN 69 65 87 CALM 29.62R TC 21
JACKSONVILLE* CLOUDY 65 65 100 SE16G25 29.57F TC 18
PITTSFIELD* CLOUDY 66 65 99 N8 29.60R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-272300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 67 61 80 MISG 29.61F TC 19
BLOOMINGTON LGT RAIN 63 60 90 SE25G39 29.60F TC 17
DECATUR LGT RAIN 63 59 87 SE33G47 29.57F TC 17
PEORIA TSTM 64 61 90 S17 29.60F VSB 1 TC 18
LACON* CLOUDY 67 58 72 SW10G16 29.62R TC 20
LINCOLN* PTSUNNY 64 62 92 S10G17 29.63S THUNDER TC 18
SPRINGFIELD MOSUNNY 64 60 87 S23G32 29.61S TC 18
TAYLORVILLE PTSUNNY 63 61 94 SE31G43 29.62F THUNDER TC 17
ILZ033-039-045-046-055>057-062-063-272300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 63 59 87 SE12 29.67R TC 17
DANVILLE* CLOUDY 63 58 84 SE13G18 29.68R TC 17
RANTOUL* CLOUDY 63 58 84 SE12 29.66R TC 17
MATTOON MOSUNNY 62 59 90 SE21G37 29.69R TC 17
PARIS* DRIZZLE 61 59 95 SE18G25 29.68S TC 16
ILZ079-100>102-272300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 72 66 83 E13 29.61R TC 22
BELLEVILLE MOSUNNY 82 72 71 S21G30 29.60F HX 87 TC 28
CAHOKIA* MOSUNNY 82 69 64 S16G26 29.58F HX 85 TC 28
SPARTA* MOSUNNY 82 68 61 S18G32 29.66S HX 85 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-272300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 80 70 71 S20G28 29.69S HX 83 TC 27
CAIRO* CLOUDY 83 69 62 S13G24 29.73S HX 86 TC 28
EFFINGHAM* LGT RAIN 62 61 96 E17G25 29.73F TC 17
MARION CLOUDY 79 70 73 S17 29.70S HX 81 TC 26
MT. VERNON CLOUDY 68 63 84 E6 29.71S TC 20
CENTRALIA* PTSUNNY 69 64 85 E14 29.69S TC 21
SALEM* CLOUDY 66 65 96 E6G16 29.71R TC 19
METROPOLIS* PTSUNNY 83 69 63 S13G25 29.74F HX 86 TC 28
ILZ067-068-072-073-078-083-087-091-272300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE HVY RAIN 60 59 96 E14 29.79F FOG TC 16
FLORA* LGT RAIN 63 63 100 E12G22 29.73F TC 17
FAIRFIELD* TSTM 63 62 95 NE16G22 29.70F TC 17
HARRISBURG* PTSUNNY 81 69 67 S25G32 29.71S HX 84 TC 27
ROBINSON* CLOUDY 61 61 100 E14 29.79S TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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