604
ASUS43 KLOT 281101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-281200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 49 42 77 W14G22 29.88R TC 9
STERLING* PTCLDY 50 45 83 W13 29.86R TC 10
SAVANNA* CLOUDY 50 42 74 W17 29.84R TC 10
ILZ003-004-008-010-011-017-018-281200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 50 44 80 W15 29.81R TC 10
FREEPORT* CLOUDY 49 45 85 W15G22 29.82R TC 10
DE KALB* CLOUDY 48 45 87 W17G23 29.81R TC 9
ILZ005-006-012>014-019>023-281200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 51 44 77 W21G37 29.76R TC 11
CHICAGO-MIDWAY CLOUDY 52 45 77 W13G29 29.77R TC 11
AURORA CLOUDY 50 45 83 W23G30 29.79R TC 10
JOLIET* CLOUDY 53 46 78 W12G21 29.82R TC 12
WAUKEGAN CLOUDY 52 45 77 W12G29 29.73R TC 11
DUPAGE AIRPORT CLOUDY 51 45 79 W14G25 29.78R TC 11
KANKAKEE* CLOUDY 53 48 83 W20 29.84R TC 12
WHEELING CLOUDY 52 45 77 W14G28 29.77R TC 11
MORRIS* CLOUDY 51 45 79 W17G23 29.81S TC 11
ROMEOVILLE* CLOUDY 52 48 87 W10G16 29.81R TC 11
LANSING* CLOUDY 51 44 77 W17G26 29.81R TC 11
NORTHERLY ISL* N/A 52 44 74 W9 N/A TC 11
LMZ740>746-281200-
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 1005.1F 1/ 2
WAUKEGAN HARBOR 52 47 270/ 17/ 25 1008.5R 1/ 2
HARRISON CRIB 53 280/ 22/ 25 N/A
NORTHERLY ISL 54 290/ 9/ 23 N/A
CALUMET HARBOR 53 230/ 14/ 22 1007.6
BURNS HARBOR 53 260/ 15/ 17 1008.8R
MICHIGAN CITY 51 240/ 15/ 16 1007.4R
ST. JOSEPH BUOY 48 250/ 12/ 16 1008.7R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-281200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 51 43 74 W9 29.95R TC 11
GALESBURG* CLOUDY 49 43 81 W10 29.91S TC 9
MACOMB* CLOUDY 51 46 84 W10 29.94R TC 11
JACKSONVILLE* CLOUDY 53 47 82 W10 29.94R TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-281200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 52 46 81 MISG 29.87R TC 11
BLOOMINGTON CLOUDY 51 47 86 W12 29.90R TC 11
DECATUR CLOUDY 55 50 83 W7 29.90R TC 13
PEORIA CLOUDY 52 44 74 W13 29.89R TC 11
LACON* CLOUDY 51 42 70 W10G18 29.87R TC 11
LINCOLN* CLOUDY 54 47 78 W3G16 29.92R TC 12
SPRINGFIELD CLOUDY 54 46 74 W13G21 29.93R TC 12
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 51 48 89 W14 29.89R TC 11
DANVILLE* CLEAR 54 50 89 W15G22 29.88R TC 12
MATTOON CLEAR 54 51 90 W14 29.89R TC 12
ILZ079-100>102-281200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 55 49 80 CALM 29.95R TC 13
CAHOKIA* CLEAR 56 50 80 NW8 29.93R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 58 55 90 NW7 29.95R TC 14
CAIRO* MOCLDY 65 64 99 CALM 29.95R TC 18
EFFINGHAM* CLEAR 55 53 94 W7 29.93R TC 13
MARION CLEAR 59 59 99 CALM 29.96R TC 15
MT. VERNON CLEAR 57 54 89 CALM 29.94R TC 14
CENTRALIA* CLEAR 57 53 85 CALM 29.94R TC 14
SALEM* CLEAR 57 53 86 W5 29.93R TC 14
ILZ067-068-072-073-078-083-087-091-281200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* CLEAR 57 55 94 NW8 29.93R TC 14
FAIRFIELD* CLOUDY 60 58 92 CALM 29.93R TC 16
HARRISBURG* PTCLDY 62 59 92 NW6 29.94R TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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