902
ASUS43 KLOT 300812
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-300900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 37 34 89 SW3 30.03F TC 3
STERLING* CLEAR 39 38 96 CALM 30.04F TC 4
SAVANNA* CLOUDY 40 34 80 CALM 30.03F TC 5
ILZ003-004-008-010-011-017-018-300900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 36 35 96 CALM 30.03F TC 2
FREEPORT* MOCLDY 36 35 94 CALM 30.04S TC 2
ROCHELLE* CLEAR 34 32 94 CALM 30.03F TC 1
DE KALB* CLEAR 38 37 93 W3 30.03S TC 4
PERU* CLEAR 41 37 87 SW3 30.03F TC 5
ILZ005-006-012>014-019>023-300900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 40 37 89 W6 30.00F TC 4
CHICAGO-MIDWAY CLEAR 40 37 89 CALM 30.01F TC 4
AURORA CLEAR 34 34 100 NW3 30.02S TC 1
JOLIET* CLEAR 35 35 99 CALM 30.03S TC 2
WAUKEGAN CLEAR 38 38 100 W3 30.00F TC 3
DUPAGE AIRPORT CLEAR 40 38 93 CALM 30.01F TC 4
KANKAKEE* CLEAR 38 37 94 CALM 30.04S TC 4
WHEELING PTCLDY 38 37 97 CALM 30.02F TC 3
MORRIS* CLEAR 39 36 87 NW3 30.02S TC 4
ROMEOVILLE* CLEAR 41 41 100 W5 30.03S TC 5
LANSING* CLEAR 33 33 100 CALM 30.02S TC 1
NORTHERLY ISL* N/A 43 36 76 SW3 N/A TC 6
LMZ740>746-300900-
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 1011.0 1/ 4
WAUKEGAN HARBOR 42 47 280/ 2/ 4 1016.3 1/ 4
HARRISON CRIB 45 270/ 9/ 10 N/A
NORTHERLY ISL 44 250/ 4/ 5 N/A
CALUMET HARBOR 40 240/ 3/ 4 1016.0F
BURNS HARBOR 45 320/ 4/ 5 1016.6F
MICHIGAN CITY 43 280/ 12/ 13 1015.6F
ST. JOSEPH BUOY 42 300/ 10/ 14 1016.4S 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-300900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 44 36 73 W3 30.06F TC 7
GALESBURG* CLEAR 35 33 91 CALM 30.06S TC 2
MACOMB* CLEAR 39 36 89 CALM 30.08S TC 4
JACKSONVILLE* CLEAR 40 36 84 CALM 30.07F TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-300900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 39 36 87 MISG 30.04S TC 4
BLOOMINGTON CLEAR 40 38 93 W3 30.06S TC 4
DECATUR CLEAR 40 37 89 CALM 30.06S TC 4
PEORIA CLEAR 39 34 82 CALM 30.05F TC 4
LACON* CLEAR 36 34 90 CALM 30.04S TC 2
LINCOLN* CLEAR 41 37 84 CALM 30.06S TC 5
SPRINGFIELD CLEAR 40 38 93 CALM 30.07S TC 4
TAYLORVILLE CLEAR 41 39 93 CALM 30.07S TC 5
ILZ033-039-045-046-055>057-062-063-300900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 40 38 93 W6 30.04F TC 4
DANVILLE* CLEAR 38 37 97 CALM 30.05S TC 4
RANTOUL* CLEAR 39 38 97 W5 30.04F FOG TC 4
MATTOON CLEAR 42 38 85 W3 30.04S TC 6
PARIS* CLEAR 39 39 97 CALM 30.05S TC 4
ILZ079-100>102-300900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 44 39 82 CALM 30.08S TC 7
BELLEVILLE CLEAR 46 38 74 N6 30.05S TC 8
CAHOKIA* CLEAR 43 41 93 CALM 30.06F TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 47 44 90 NW3 30.05F TC 8
CAIRO* CLEAR 51 45 78 N6 30.04F TC 11
EFFINGHAM* CLEAR 41 41 100 CALM 30.07S TC 5
MARION CLEAR 45 43 93 CALM 30.06S TC 7
MT. VERNON CLEAR 43 40 89 CALM 30.06S TC 6
CENTRALIA* CLEAR 46 39 77 CALM 30.06S TC 8
SALEM* CLEAR 47 41 80 CALM 30.05F TC 8
METROPOLIS* CLEAR 49 43 79 CALM 30.04F TC 9
ILZ067-068-072-073-078-083-087-091-300900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 46 39 76 N8 30.03F TC 8
FLORA* CLEAR 46 39 76 N5 30.05S TC 8
FAIRFIELD* CLEAR 47 39 72 CALM 30.05R TC 9
HARRISBURG* CLEAR 46 40 82 N6 30.05S TC 8
ROBINSON* CLEAR 45 39 81 NW6 30.03S TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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