277
ASUS43 KLOT 280812
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT TUE APR 28 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.
ILZ001-002-007-009-015-016-024-280900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 52 43 71 W20G30 29.80 TC 11
STERLING* CLEAR 52 46 80 W20 29.77R TC 11
SAVANNA* CLOUDY 52 44 73 W22G28 29.77R TC 11
ILZ003-004-008-010-011-017-018-280900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 52 46 80 W18G28 29.73R TC 11
FREEPORT* CLOUDY 52 47 85 W17G25 29.75R TC 11
ROCHELLE* CLOUDY 52 45 77 W20 29.74R TC 11
DE KALB* CLOUDY 53 48 84 W17G23 29.72S TC 12
PERU* CLOUDY 54 48 82 W18G25 29.78R TC 12
ILZ005-006-012>014-019>023-280900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 55 49 80 W15G29 29.68R TC 13
CHICAGO-MIDWAY CLOUDY 57 50 77 W17G32 29.70R TC 14
AURORA CLOUDY 54 48 80 W20G30 29.72R TC 12
JOLIET* CLOUDY 57 53 84 W9 29.74R TC 14
WAUKEGAN CLOUDY 57 52 83 W18G25 29.64R TC 14
DUPAGE AIRPORT CLOUDY 54 47 77 W23G35 29.71R TC 12
KANKAKEE* CLOUDY 57 54 89 W14G22 29.75R TC 14
WHEELING CLOUDY 56 50 80 W12G28 29.69R TC 13
MORRIS* CLOUDY 56 51 82 W14 29.74R TC 13
ROMEOVILLE* CLOUDY 55 52 88 W21G28 29.73R TC 13
LANSING* CLOUDY 57 52 81 W17G24 29.71R TC 14
NORTHERLY ISL* N/A 57 49 74 W14 N/A TC 14
LMZ740>746-280900-
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 1010.0 2/ 4
WAUKEGAN HARBOR 56 47 250/ 17/ 23 1005.0 1/ 4
HARRISON CRIB 59 270/ 24/ 26 N/A
NORTHERLY ISL 59 220/ 10/ 13 N/A
CALUMET HARBOR 59 230/ 6/ 11 1004.7R
BURNS HARBOR 60 230/ 8/ 12 1006.1R
MICHIGAN CITY 59 230/ 16/ 17 1003.9R
ST. JOSEPH BUOY 53 220/ 14/ 16 1005.4S 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-280900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 54 47 77 W14 29.88S TC 12
GALESBURG* CLOUDY 51 46 82 W15G21 29.85R TC 11
MACOMB* CLOUDY 53 47 79 NW21G28 29.87S TC 12
JACKSONVILLE* CLOUDY 56 50 82 W12 29.87R TC 13
PITTSFIELD* CLOUDY 56 47 73 W10G18 29.89S TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-280900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 55 49 81 MISG 29.77R TC 13
BLOOMINGTON MOCLDY 55 54 94 W13 29.82R TC 13
DECATUR PTCLDY 57 54 89 W9 29.83R TC 14
PEORIA CLOUDY 53 47 79 W12G20 29.82R TC 12
LINCOLN* CLOUDY 57 54 89 NW5 29.84R TC 14
SPRINGFIELD CLOUDY 57 51 80 W14 29.85R TC 14
TAYLORVILLE PTCLDY 57 52 82 W9 29.86R TC 14
ILZ033-039-045-046-055>057-062-063-280900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 57 55 93 W16 29.79R TC 14
DANVILLE* CLOUDY 61 59 93 W9 29.78R TC 16
RANTOUL* CLEAR 56 53 86 W13G22 29.79R TC 14
MATTOON CLEAR 60 57 89 W13 29.80R TC 16
ILZ079-100>102-280900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 58 54 86 CALM 29.89R TC 15
BELLEVILLE CLEAR 61 57 87 NW16 29.85S TC 16
CAHOKIA* PTCLDY 61 55 81 W7 29.89R TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 63 62 97 SW8 29.84F TC 17
CAIRO* MOCLDY 71 65 83 CALM 29.86R TC 22
MARION MOCLDY N/A N/A N/A SW3 29.86R
MT. VERNON PTCLDY 63 61 93 W5 29.84S TC 17
CENTRALIA* PTCLDY 64 61 90 NW15 29.83F TC 18
SALEM* PTCLDY 64 63 96 NW13G18 29.83F TC 18
METROPOLIS* CLOUDY 68 65 91 W3 29.85S TC 20
ILZ067-068-072-073-078-083-087-091-280900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* PTCLDY 63 N/A N/A W10 29.82F TC 17
FAIRFIELD* MOCLDY 62 62 99 CALM 29.81F TC 17
HARRISBURG* CLOUDY 64 63 99 W6 29.84R TC 18
ROBINSON* MOCLDY 63 63 100 W14 29.78F TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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