732
ASUS43 KLOT 301012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT THU APR 30 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.
ILZ001-002-007-009-015-016-024-301100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 37 34 89 CALM 30.03F TC 3
STERLING* CLEAR 36 34 92 CALM 30.05R TC 2
SAVANNA* CLOUDY 38 36 90 CALM 30.04S TC 4
ILZ003-004-008-010-011-017-018-301100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 34 34 100 CALM 30.04S TC 1
FREEPORT* MOCLDY 39 36 89 CALM 30.04S TC 4
ROCHELLE* CLOUDY 34 32 94 CALM 30.04S TC 1
DE KALB* CLEAR 36 34 90 SW3 30.03S TC 2
PERU* PTCLDY 39 39 100 CALM 30.04S TC 4
ILZ005-006-012>014-019>023-301100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 39 36 89 CALM 30.01S TC 4
CHICAGO-MIDWAY CLEAR 39 37 92 SW3 30.02S TC 4
AURORA CLEAR 33 33 100 CALM 30.02S TC 1
JOLIET* CLEAR 35 35 100 CALM 30.03F TC 2
WAUKEGAN CLEAR 33 33 100 W3 30.01S FOG TC 1
DUPAGE AIRPORT CLEAR 36 36 100 CALM 30.01F TC 2
KANKAKEE* CLEAR 38 37 95 CALM 30.05S FOG TC 3
WHEELING PTCLDY 37 36 96 CALM 30.03R TC 3
MORRIS* CLEAR 37 36 93 CALM 30.03S TC 3
ROMEOVILLE* CLEAR 36 36 100 S3 30.03F TC 2
LANSING* FOG 34 34 100 CALM 30.04S VSB 1/2 TC 1
NORTHERLY ISL* N/A 43 38 82 W3 N/A TC 6
LMZ740>746-301100-
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 1011.5 1/ 4
WAUKEGAN HARBOR 41 47 260/ 4/ 6 1016.3 1
HARRISON CRIB 44 280/ 9/ 10 N/A
NORTHERLY ISL 43 270/ 4/ 7 N/A
CALUMET HARBOR 40 230/ 4/ 5 1016.4
BURNS HARBOR 43 200/ 4/ 5 1016.9S
MICHIGAN CITY 44 290/ 9/ 10 1016.0R
ST. JOSEPH BUOY 42 350/ 6/ 8 1016.9R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-301100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 38 37 97 S5 30.06F WCI 34 TC 3
GALESBURG* CLEAR 34 33 95 CALM 30.05F TC 1
MACOMB* CLEAR 37 34 88 CALM 30.07F TC 3
JACKSONVILLE* CLEAR 39 39 100 CALM 30.07S TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-301100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 37 35 94 MISG 30.04S TC 3
BLOOMINGTON CLEAR 39 37 92 SW3 30.05F TC 4
DECATUR CLEAR 39 36 89 CALM 30.05F TC 4
PEORIA CLEAR 37 35 92 CALM 30.05S TC 3
LACON* PTCLDY 38 36 92 CALM 30.04F TC 4
LINCOLN* CLEAR 38 38 100 CALM 30.06S TC 4
SPRINGFIELD CLEAR 38 38 100 CALM 30.06S TC 3
TAYLORVILLE CLEAR 39 37 93 CALM 30.06S TC 4
ILZ033-039-045-046-055>057-062-063-301100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 38 37 97 CALM 30.04F TC 3
DANVILLE* CLEAR 38 37 97 CALM 30.05F TC 3
RANTOUL* CLEAR 38 38 98 CALM 30.05S FOG TC 4
MATTOON CLEAR 41 38 89 W3 30.03F TC 5
PARIS* CLEAR 38 38 97 NW3 30.05S FOG TC 4
ILZ079-100>102-301100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 40 38 92 CALM 30.07S TC 5
BELLEVILLE CLEAR 43 38 81 CALM 30.05S TC 6
CAHOKIA* CLEAR 41 40 96 CALM 30.06S TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 44 43 96 N3 30.05S TC 7
CAIRO* CLEAR 50 42 74 N6 30.05S TC 10
EFFINGHAM* CLEAR 39 39 100 CALM 30.07S TC 4
MARION CLEAR N/A N/A N/A CALM 30.06S
MT. VERNON CLEAR 39 38 96 CALM 30.06R TC 4
CENTRALIA* CLEAR 41 39 95 CALM 30.06R TC 5
SALEM* CLEAR 45 41 86 CALM 30.06R TC 7
METROPOLIS* CLEAR 46 41 82 CALM 30.05R TC 8
ILZ067-068-072-073-078-083-087-091-301100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 44 39 82 N5 30.03F TC 7
FLORA* CLEAR 43 39 87 NW3 30.06R TC 6
FAIRFIELD* CLEAR 44 39 83 CALM 30.06R TC 7
HARRISBURG* CLEAR 43 40 89 N5 30.06R TC 6
ROBINSON* CLEAR 41 41 100 N2 30.03F TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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