028
ASUS43 KLOT 301106
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-301200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 36 33 89 CALM 30.02F TC 2
STERLING* CLEAR 40 36 86 CALM 30.04F TC 4
SAVANNA* PTCLDY 38 35 89 S6 30.03F WCI 33 TC 3
ILZ003-004-008-010-011-017-018-301200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 36 35 96 S3 30.04S TC 2
FREEPORT* MOCLDY 40 37 89 CALM 30.04F TC 5
ROCHELLE* CLOUDY 36 34 94 CALM 30.04S TC 2
DE KALB* CLOUDY 39 35 85 W5 30.03S TC 4
PERU* PTCLDY 39 39 100 W3 30.04S FOG TC 4
ILZ005-006-012>014-019>023-301200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 38 36 92 NW3 30.02R TC 3
CHICAGO-MIDWAY PTCLDY 38 36 92 CALM 30.03R TC 3
AURORA MOCLDY 33 33 100 CALM 30.02S TC 1
JOLIET* FOG 35 35 100 CALM 30.04S VSB 3/4 TC 2
WAUKEGAN CLEAR 32 32 100 CALM 30.01S FOG TC 0
DUPAGE AIRPORT CLEAR 36 35 96 CALM 30.02R TC 2
KANKAKEE* FOG 35 33 95 SW3 30.05S VSB 1/2 TC 2
WHEELING PTCLDY 37 36 96 CALM 30.04R TC 3
MORRIS* PTCLDY 37 36 93 W3 30.03S TC 3
ROMEOVILLE* CLEAR 36 36 100 CALM 30.04R TC 2
LANSING* CLEAR 34 34 100 CALM 30.04R FOG TC 1
NORTHERLY ISL* N/A 42 38 85 W6 N/A TC 6
LMZ740>746-301200-
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 1011.9 1
WAUKEGAN HARBOR 41 47 280/ 6/ 6 1016.6 1
NORTHERLY ISL 42 250/ 6/ 7 N/A
CALUMET HARBOR 39 230/ 3/ 4 1016.3F
BURNS HARBOR 42 220/ 3/ 4 1016.9S
ST. JOSEPH BUOY 42 340/ 4/ 6 1016.9S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-301200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 39 37 92 SW3 30.06S TC 4
GALESBURG* CLEAR 33 32 96 CALM 30.05S TC 1
MACOMB* CLEAR 36 34 92 CALM 30.07F TC 2
JACKSONVILLE* CLEAR 38 38 100 SW5 30.06F WCI 35 TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-301200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 36 35 96 MISG 30.04S TC 2
BLOOMINGTON CLEAR 37 36 96 SW6 30.05S WCI 32 TC 3
DECATUR CLEAR 39 37 92 CALM 30.05S TC 4
PEORIA CLEAR 37 34 89 CALM 30.05S TC 3
LACON* CLEAR 36 35 94 CALM 30.04S TC 2
LINCOLN* CLEAR 38 38 100 CALM 30.06S TC 3
SPRINGFIELD CLEAR 38 38 100 W3 30.06S TC 3
TAYLORVILLE CLEAR 39 39 100 CALM 30.07R TC 4
ILZ033-039-045-046-055>057-062-063-301200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 37 36 96 NW5 30.04S WCI 33 TC 3
DANVILLE* CLOUDY 38 37 97 CALM 30.05S VSB<1/4 TC 3
RANTOUL* CLEAR 37 37 98 W3 30.05S FOG TC 3
MATTOON CLEAR 40 37 89 W3 30.04R TC 4
PARIS* CLEAR 38 37 97 NW5 30.04S FOG WCI 35
ILZ079-100>102-301200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 40 38 92 CALM 30.08R TC 5
BELLEVILLE CLEAR 43 38 83 CALM 30.07R TC 6
CAHOKIA* CLEAR 41 40 96 CALM 30.08R TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 43 42 97 CALM 30.06R TC 6
CAIRO* CLEAR 49 42 76 NE5 30.07R TC 10
EFFINGHAM* CLEAR 40 40 100 CALM 30.07F TC 4
MARION CLEAR N/A N/A N/A CALM 30.07S
MT. VERNON CLEAR 38 38 100 CALM 30.07R TC 3
CENTRALIA* CLEAR 39 38 97 CALM 30.07S TC 4
SALEM* CLEAR 43 41 93 CALM 30.06S TC 6
METROPOLIS* CLEAR 46 40 81 CALM 30.06R TC 8
ILZ067-068-072-073-078-083-087-091-301200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 43 39 86 N5 30.04R TC 6
FLORA* CLEAR 41 41 100 CALM 30.07R TC 5
FAIRFIELD* CLEAR 41 39 93 CALM 30.06S TC 5
HARRISBURG* CLEAR 42 39 89 N3 30.07R TC 6
ROBINSON* CLEAR 41 41 100 W2 30.05R TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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