121
ASUS43 KLOT 272301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-280000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE TSTM 69 63 81 SW13 29.57R TC 21
STERLING* MOSUNNY 69 62 78 VRB3 29.59R TC 21
SAVANNA* PTSUNNY 72 60 67 S8 29.55S TC 22
ILZ003-004-008-010-011-017-018-280000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 61 75 S14G26 29.58R TC 21
FREEPORT* PTSUNNY 70 65 82 SW20G25 29.58R TC 21
DE KALB* CLOUDY 64 61 87 S20G26 29.62S TC 18
PERU* CLOUDY 67 61 81 SW7 29.62R TC 19
ILZ005-006-012>014-019>023-280000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 68 58 70 S14G23 29.61R TC 20
CHICAGO-MIDWAY CLOUDY 68 58 70 S10 29.61R TC 20
AURORA CLOUDY 66 60 81 S8 29.61R TC 19
JOLIET* CLOUDY 69 61 75 S9 29.62F TC 21
WAUKEGAN PTSUNNY 61 56 83 SE8 29.60R TC 16
DUPAGE AIRPORT CLOUDY 66 58 75 S13 29.61R TC 19
KANKAKEE* PTSUNNY 66 57 72 SE14G20 29.62F TC 19
WHEELING CLOUDY 67 58 72 S12 29.62R TC 19
MORRIS* CLOUDY 68 61 78 S7 29.61F TC 20
ROMEOVILLE* PTSUNNY 68 61 77 S15 29.62R TC 20
LANSING* CLOUDY 65 57 73 S10G18 29.63S TC 19
NORTHERLY ISL* N/A 67 56 67 S13 N/A TC 19
LMZ740>746-280000-
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 1013.6F 5/ 6
WAUKEGAN HARBOR 50 47 130/ 10/ 14 1004.6R 4/ 5
HARRISON CRIB 61 170/ 16/ 17 N/A
NORTHERLY ISL 66 180/ 10/ 20 N/A
CALUMET HARBOR 67 170/ 10/ 16 1002.6
BURNS HARBOR 66 170/ 7/ 15 1004.1R
MICHIGAN CITY 65 160/ 16/ 22 1001.8R
ST. JOSEPH BUOY 61 140/ 21/ 29 1004.6F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-280000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 69 65 86 NW13 29.56F TC 21
GALESBURG* PTSUNNY 67 62 85 S6 29.62R TC 19
MACOMB* LGT RAIN 65 64 97 SE10 29.60F TC 18
JACKSONVILLE* CLOUDY 60 60 100 W12G24 29.64R THUNDER TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-280000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON LGT RAIN 62 60 93 SE24G36 29.61F TC 17
DECATUR RAIN 62 58 86 SE31G47 29.58F TC 17
PEORIA TSTM 63 61 93 S16G25 29.62F VSB 1 TC 17
SPRINGFIELD PTSUNNY 66 61 84 SE17G26 29.57F TC 19
TAYLORVILLE PTSUNNY 63 61 94 SE17G25 29.62S TC 17
ILZ033-039-045-046-055>057-062-063-280000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 62 59 90 SE41G54 29.62F FOG TC 17
DANVILLE* MOSUNNY 64 58 83 S14 29.70R TC 18
MATTOON PTSUNNY 63 58 83 SE17G33 29.66F TC 17
PARIS* MOSUNNY 63 59 87 SE28G35 29.70R THUNDER TC 17
ILZ079-100>102-280000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 73 68 83 SE14 29.56F TC 23
CAHOKIA* PTSUNNY 81 69 67 S12G25 29.57F HX 84 TC 27
SPARTA* MOSUNNY 80 70 71 S17G25 29.65F HX 83 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 81 70 69 S18G28 29.67F HX 84 TC 27
CAIRO* CLOUDY 82 69 64 S20G28 29.73S HX 85 TC 28
MARION PTSUNNY 81 70 69 S17 29.70S HX 84 TC 27
MT. VERNON CLOUDY 68 65 90 E3 29.69F TC 20
CENTRALIA* PTSUNNY 68 65 90 E12 29.66F TC 20
SALEM* PTSUNNY 66 64 93 E10G17 29.67F TC 19
ILZ067-068-072-073-078-083-087-091-280000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 61 60 97 E17 29.74F TC 16
FLORA* LGT RAIN 63 63 100 SE10 29.73R TC 17
FAIRFIELD* CLOUDY 64 62 93 E9 29.71F TC 18
HARRISBURG* CLOUDY 81 69 68 S21G26 29.71S HX 84 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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