890
ASUS43 KLOT 301510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-301600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 56 36 47 W10G21 30.01F TC 13
STERLING* MOSUNNY 55 34 45 CALM 30.03F TC 13
SAVANNA* MOSUNNY 54 32 43 S3 30.01F TC 12
ILZ003-004-008-010-011-017-018-301600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 49 33 54 W5 30.04S TC 9
FREEPORT* CLOUDY 50 37 61 CALM 30.03F TC 10
ROCHELLE* PTSUNNY 51 28 41 SW5 30.04S TC 11
DE KALB* CLOUDY 51 32 48 CALM 30.03F TC 11
PERU* MOSUNNY 55 28 35 SW10 30.03F TC 13
ILZ005-006-012>014-019>023-301600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 51 35 54 CALM 30.02F TC 11
CHICAGO-MIDWAY MOSUNNY 51 33 50 CALM 30.03F TC 11
AURORA MOSUNNY 57 32 38 W5 30.02F TC 14
JOLIET* MOSUNNY 55 34 44 CALM 30.05F TC 13
WAUKEGAN PTSUNNY 49 41 74 NE8 30.02S TC 9
DUPAGE AIRPORT PTSUNNY 51 34 52 CALM 30.02F TC 11
KANKAKEE* SUNNY 53 37 54 W7 30.07S TC 11
WHEELING PTSUNNY 51 36 56 VRB5 30.04S TC 11
MORRIS* PTSUNNY 54 32 43 CALM 30.03F TC 12
ROMEOVILLE* MOSUNNY 52 36 54 VRB3 30.04S TC 11
LANSING* MOSUNNY 51 36 56 CALM 30.04F TC 11
NORTHERLY ISL* N/A 49 39 68 NE7 N/A TC 9
LMZ740>746-301600-
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 49 1021.3F 1
WAUKEGAN HARBOR 44 49 40/ 8/ 10 1017.1 0
HARRISON CRIB 47 70/ 4/ 5 N/A
NORTHERLY ISL 50 220/ 2/ 8 N/A
CALUMET HARBOR 51 240/ 1/ 4 1016.9
BURNS HARBOR 46 330/ 2/ 3 1018.3R
MICHIGAN CITY 47 340/ 2/ 3 1017.3R
ST. JOSEPH BUOY 43 360/ 6/ 8 1018.0R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-301600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 57 35 43 SW12 30.06F TC 14
GALESBURG* MOSUNNY 55 33 42 SW8 30.05S TC 13
MACOMB* MOSUNNY 56 33 42 SW9 30.07S TC 14
JACKSONVILLE* SUNNY 56 35 44 SW9 30.07S TC 14
ILZ028>032-037-038-041>044-048-051>054-059>061-301600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 55 31 39 MISG 30.05F TC 13
BLOOMINGTON SUNNY 55 35 47 SW9 30.06F TC 13
DECATUR SUNNY 55 33 43 CALM 30.06F TC 13
PEORIA MOSUNNY 56 31 38 W8 30.05F TC 13
LACON* MOSUNNY 54 31 41 SW5 30.03F TC 12
LINCOLN* SUNNY 57 33 41 SW3 30.06F TC 14
SPRINGFIELD SUNNY 57 31 37 W8 30.07F TC 14
TAYLORVILLE SUNNY 55 34 44 SW6 30.08S TC 13
ILZ033-039-045-046-055>057-062-063-301600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 54 38 54 W6 30.07S TC 12
DANVILLE* SUNNY 55 37 52 W5 30.08S TC 13
RANTOUL* SUNNY 54 34 46 NW5 30.07S TC 12
MATTOON SUNNY 55 32 41 N5 30.07F TC 13
PARIS* SUNNY 54 42 64 W6 30.08S TC 12
ILZ079-100>102-301600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 57 37 47 CALM 30.09S TC 14
BELLEVILLE SUNNY 58 38 47 SE3 30.07F TC 15
CAHOKIA* SUNNY 58 33 39 VRB5 30.09F TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 57 38 48 NE6 30.10S TC 14
CAIRO* MOSUNNY 58 37 44 NE13 30.09F TC 15
EFFINGHAM* SUNNY 55 38 53 W3 30.10S TC 13
MARION SUNNY 57 34 41 NE9 30.10S TC 14
MT. VERNON SUNNY 57 37 47 E6 30.10S TC 14
CENTRALIA* SUNNY 57 33 41 CALM 30.09F TC 14
SALEM* SUNNY 58 35 42 CALM 30.09F TC 14
METROPOLIS* SUNNY 58 35 43 N9 30.09S TC 14
ILZ067-068-072-073-078-083-087-091-301600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* SUNNY 55 39 54 NW5 30.10S TC 13
FAIRFIELD* SUNNY 55 35 46 CALM 30.09S TC 13
HARRISBURG* SUNNY 57 39 50 E8 30.10S TC 14
ROBINSON* SUNNY 55 39 54 VRB6 30.08F TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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