288
ASUS43 KLOT 281301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-281400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 49 42 77 W17G24 29.94R TC 9
STERLING* SUNNY 49 44 83 W22 29.91R TC 9
SAVANNA* CLOUDY 49 41 72 W16G24 29.91R TC 10
ILZ003-004-008-010-011-017-018-281400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 50 43 77 W15G23 29.88R TC 10
FREEPORT* PTSUNNY 49 44 81 NW17G25 29.90R TC 10
DE KALB* CLOUDY 49 44 81 W15G21 29.89R TC 10
PERU* CLOUDY 52 45 76 W12G22 29.92R TC 11
ILZ005-006-012>014-019>023-281400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 51 44 77 W10G20 29.85R TC 11
CHICAGO-MIDWAY CLOUDY 51 43 74 W17 29.88R TC 11
AURORA CLOUDY 50 45 83 W16 29.88R TC 10
JOLIET* CLOUDY 52 47 83 W7 29.91R TC 11
WAUKEGAN CLOUDY 51 44 77 W13 29.82R TC 11
DUPAGE AIRPORT CLOUDY 50 43 77 W16 29.87R TC 10
KANKAKEE* CLOUDY 52 45 78 W17G23 29.93R TC 11
WHEELING CLOUDY 51 44 77 NW10 29.86R TC 11
MORRIS* CLOUDY 51 45 80 W14G20 29.90R TC 10
ROMEOVILLE* CLOUDY 52 46 82 W14G22 29.91R TC 11
LANSING* CLOUDY 51 44 77 W15 29.90R TC 11
NORTHERLY ISL* N/A 51 44 77 SW10 N/A TC 11
LMZ740>746-281400-
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 1005.0R 1
WAUKEGAN HARBOR 51 47 270/ 12/ 17 1011.2R 1
HARRISON CRIB 52 280/ 16/ 17 N/A
NORTHERLY ISL 52 280/ 8/ 19 N/A
CALUMET HARBOR 52 240/ 8/ 16 1010.6
BURNS HARBOR 53 250/ 10/ 12 1012.2R
MICHIGAN CITY 51 230/ 17/ 20 1010.4R
ST. JOSEPH BUOY 47 230/ 10/ 14 1011.8R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-281400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 51 45 79 NW8 30.00R TC 11
GALESBURG* CLOUDY 48 43 80 W13 29.97R TC 9
MACOMB* CLOUDY 50 46 85 W12 29.99S TC 10
JACKSONVILLE* CLOUDY 52 45 76 NW8 29.99R TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-281400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 51 45 79 MISG 29.95R TC 11
BLOOMINGTON CLOUDY 51 46 83 W10 29.97R TC 11
DECATUR CLOUDY 53 47 79 NW12 29.97R TC 12
PEORIA CLOUDY 51 43 74 W7 29.96R TC 11
LACON* CLOUDY 50 42 72 W12 29.95R TC 10
LINCOLN* CLOUDY 54 46 75 W5 29.98R TC 12
SPRINGFIELD CLOUDY 53 46 77 W7 29.99R TC 12
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 53 48 83 W23G30 29.95R TC 12
DANVILLE* SUNNY 55 49 79 W13G18 29.95R TC 13
MATTOON SUNNY 56 50 80 NW16 29.95R TC 13
ILZ079-100>102-281400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 55 48 76 N9 30.01R TC 13
CAHOKIA* CLOUDY 58 50 75 NW8 29.99R TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 61 55 81 NW7 30.00R TC 16
CAIRO* PTSUNNY 66 61 85 N8 30.01R TC 19
EFFINGHAM* SUNNY 57 52 82 W9 30.00R TC 14
MARION MOSUNNY 61 55 82 N7 30.01R TC 16
MT. VERNON SUNNY 59 54 83 CALM 30.01R TC 15
CENTRALIA* SUNNY 59 52 78 NW8 30.00R TC 15
SALEM* SUNNY 59 54 84 W9 30.00R TC 15
ILZ067-068-072-073-078-083-087-091-281400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 60 53 77 W9 29.98R TC 16
FLORA* MOSUNNY 59 54 82 W6 30.01R TC 15
FAIRFIELD* MOSUNNY 60 53 78 NW3 30.00R TC 15
HARRISBURG* PTSUNNY 63 58 84 N5 30.01R TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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