359
ASUS43 KLOT 281001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-281100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 50 43 77 W17G31 29.85R TC 10
STERLING* CLEAR 50 45 83 W18G26 29.81R TC 10
SAVANNA* CLOUDY 50 42 74 W18G26 29.81R TC 10
ILZ003-004-008-010-011-017-018-281100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 51 43 74 W23G32 29.77R TC 11
FREEPORT* CLOUDY 50 47 88 W15 29.80R TC 10
DE KALB* CLOUDY 50 45 83 W13G23 29.78R TC 10
PERU* CLOUDY N/A N/A N/A W17G25 29.83R
ILZ005-006-012>014-019>023-281100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 52 45 77 W16G33 29.73R TC 11
CHICAGO-MIDWAY CLOUDY 54 47 77 W20G31 29.74R TC 12
AURORA CLOUDY 51 46 83 W14 29.78R TC 11
JOLIET* CLOUDY 54 47 77 W16G25 29.80R TC 12
WAUKEGAN CLOUDY 52 46 80 W15G26 29.69R TC 11
DUPAGE AIRPORT CLOUDY 51 45 79 W22G30 29.76R TC 11
KANKAKEE* CLOUDY 54 49 85 W18G25 29.81R TC 12
WHEELING CLOUDY 53 47 79 W16G25 29.73R TC 12
MORRIS* CLOUDY 52 46 80 W18G28 29.80R TC 11
LANSING* CLOUDY 54 47 78 W16G23 29.76R TC 12
NORTHERLY ISL* N/A 54 46 74 W14 N/A TC 12
LMZ740>746-281100-
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 1005.7F 1/ 4
WAUKEGAN HARBOR 53 47 260/ 16/ 23 1007.3R 1/ 2
HARRISON CRIB 55 260/ 31/ 36 N/A
NORTHERLY ISL 55 260/ 14/ 20 N/A
CALUMET HARBOR 55 250/ 10/ 21 1006.4
BURNS HARBOR 54 260/ 9/ 11 1007.8R
MICHIGAN CITY 51 250/ 15/ 16 1006.1R
ST. JOSEPH BUOY 49 270/ 16/ 19 1007.4R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-281100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 51 44 77 W16 29.93R TC 11
GALESBURG* CLOUDY 50 44 78 W21G26 29.88R TC 10
MACOMB* CLOUDY 51 46 82 W14 29.93R TC 11
JACKSONVILLE* CLOUDY 53 48 81 NW7 29.91R TC 12
PITTSFIELD* CLOUDY 54 46 75 W8 29.94R TC 12
ILZ028>032-037-038-041>044-048-051>054-059>061-281100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 53 48 83 MISG 29.84R TC 12
BLOOMINGTON CLOUDY 52 47 83 W12 29.86S TC 11
DECATUR CLEAR 55 51 86 W9 29.87R TC 13
PEORIA CLOUDY 52 44 74 W12 29.87R TC 11
LACON* CLOUDY 52 43 72 W10G18 29.84R TC 11
LINCOLN* CLOUDY 55 49 81 W3 29.88S TC 13
SPRINGFIELD CLOUDY 55 48 77 W13 29.89R TC 13
TAYLORVILLE CLEAR 54 50 87 W9 29.89R TC 12
ILZ033-039-045-046-055>057-062-063-281100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 54 52 93 W15 29.85R TC 12
DANVILLE* CLEAR 55 52 89 W15G24 29.83R TC 13
RANTOUL* PTCLDY 53 50 92 W14G20 29.84R TC 12
MATTOON CLEAR 56 53 90 W14 29.86R TC 13
ILZ079-100>102-281100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 56 51 80 CALM 29.92R TC 14
CAHOKIA* CLEAR 58 51 78 NW16 29.90R TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 63 61 93 CALM 29.89R TC 17
CAIRO* PTCLDY 64 64 98 CALM 29.91R TC 18
EFFINGHAM* CLEAR 56 55 93 W10 29.90R TC 14
MARION MOCLDY N/A N/A N/A NW6 29.90R
MT. VERNON PTCLDY 60 57 89 VRB5 29.89R TC 16
CENTRALIA* CLEAR 59 54 84 NW9 29.89R TC 15
SALEM* CLEAR 59 55 88 NW10 29.88R TC 15
METROPOLIS* FOG 63 63 100 CALM 29.90R VSB 3/4 TC 17
ILZ067-068-072-073-078-083-087-091-281100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* PTCLDY 59 57 94 NW16 29.88R TC 15
FAIRFIELD* MOCLDY 61 59 92 CALM 29.89R TC 16
HARRISBURG* MOCLDY 63 63 98 CALM 29.90R TC 17
ROBINSON* MOCLDY 59 59 100 W7 29.86R TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page