838
ASUS43 KLOT 301603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-301700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 57 38 48 W16G23 30.02R TC 14
STERLING* MOSUNNY 60 35 39 W13 30.00F TC 16
SAVANNA* MOSUNNY 57 33 40 S3 30.00F TC 14
ILZ003-004-008-010-011-017-018-301700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 53 33 46 CALM 30.03F TC 12
FREEPORT* MOSUNNY 55 34 45 W3 30.02F TC 13
ROCHELLE* MOSUNNY 55 29 37 W6 30.02F TC 13
DE KALB* PTSUNNY 52 33 47 CALM 30.03S TC 11
ILZ005-006-012>014-019>023-301700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 53 30 41 VRB3 30.01F TC 12
CHICAGO-MIDWAY PTSUNNY 53 32 44 W5 30.02F TC 12
AURORA CLOUDY 53 32 44 NW5 30.03R TC 12
JOLIET* CLOUDY 56 33 41 W3 30.04S TC 14
WAUKEGAN MOSUNNY 45 35 68 E10 30.03S TC 7
DUPAGE AIRPORT PTSUNNY 53 33 46 NW6 30.01F TC 12
KANKAKEE* SUNNY 55 34 43 W7 30.05F TC 13
WHEELING PTSUNNY 53 32 44 CALM 30.03F TC 12
ROMEOVILLE* MOSUNNY 55 34 44 CALM 30.03F TC 13
LANSING* CLOUDY 52 33 48 CALM 30.03F TC 11
NORTHERLY ISL* N/A 50 41 71 E6 N/A TC 10
LMZ740>746-301700-
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 1019.2F 1
WAUKEGAN HARBOR 43 48 20/ 12/ 14 1017.1F 1/ 2
HARRISON CRIB 47 100/ 8/ 8 N/A
NORTHERLY ISL 49 80/ 6/ 7 N/A
CALUMET HARBOR 49 50/ 7/ 8 1016.7
BURNS HARBOR 46 350/ 1/ 2 1017.9F
MICHIGAN CITY 48 340/ 4/ 4 1017.2F
ST. JOSEPH BUOY 43 360/ 6/ 8 1018.2R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-301700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 54 36 50 W7 30.07R TC 12
GALESBURG* MOSUNNY 57 35 42 SW13 30.05S TC 14
MACOMB* PTSUNNY 59 34 39 W14 30.07R TC 15
JACKSONVILLE* SUNNY 59 34 38 SW6 30.07S TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-301700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 57 29 34 MISG 30.03F TC 14
BLOOMINGTON SUNNY 58 32 37 W7G16 30.06S TC 14
DECATUR SUNNY 57 30 35 VRB5 30.06S TC 14
PEORIA MOSUNNY 59 32 36 SW8 30.04F TC 15
LACON* MOSUNNY 58 31 36 SW10 30.03S TC 15
LINCOLN* SUNNY 60 33 36 W3 30.06S TC 16
SPRINGFIELD SUNNY 59 32 36 SW10 30.06F TC 15
TAYLORVILLE SUNNY 57 36 44 S5 30.08S TC 14
ILZ033-039-045-046-055>057-062-063-301700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 56 35 45 VRB6 30.05F TC 13
DANVILLE* MOSUNNY 57 33 40 W6 30.07F TC 14
RANTOUL* SUNNY 56 33 42 CALM 30.05F TC 13
MATTOON SUNNY 57 33 40 CALM 30.06F TC 14
PARIS* SUNNY 56 37 49 W6 30.07F TC 13
ILZ079-100>102-301700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 59 34 38 CALM 30.09S TC 15
BELLEVILLE SUNNY 61 39 44 CALM 30.08R TC 16
CAHOKIA* SUNNY 60 32 34 NW3 30.08F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 59 34 39 E3 30.10S TC 15
CAIRO* MOSUNNY 61 37 39 NE12G20 30.10S TC 16
EFFINGHAM* SUNNY 57 37 45 W5 30.10S TC 14
MARION SUNNY 61 36 39 E9 30.09F TC 16
MT. VERNON SUNNY 60 33 36 CALM 30.10S TC 16
CENTRALIA* SUNNY 59 34 39 CALM 30.09S TC 15
SALEM* SUNNY 59 37 43 CALM 30.09S TC 15
METROPOLIS* SUNNY 60 34 38 N7 30.10R TC 15
ILZ067-068-072-073-078-083-087-091-301700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 57 32 38 N7 30.08 TC 14
FLORA* SUNNY 57 36 44 CALM 30.10R TC 14
FAIRFIELD* SUNNY 58 34 40 CALM 30.10R TC 14
HARRISBURG* SUNNY 59 36 41 NE8 30.10R TC 15
ROBINSON* SUNNY 57 36 44 NE6 30.08S TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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