029
ASUS43 KLOT 301708
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-301800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 56 37 49 W20G30 30.01F TC 13
STERLING* MOSUNNY 59 33 37 W16G22 29.99F TC 15
SAVANNA* CLOUDY 58 33 39 W10G16 29.99S TC 14
ILZ003-004-008-010-011-017-018-301800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 55 31 39 VRB7 30.01F TC 13
FREEPORT* CLOUDY 55 31 40 CALM 30.01F TC 13
ROCHELLE* CLOUDY 57 28 32 W6 29.99F TC 14
DE KALB* PTSUNNY 54 31 42 W7 30.01F TC 12
PERU* MOSUNNY 63 30 29 W14G22 30.00F TC 17
ILZ005-006-012>014-019>023-301800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 54 30 40 W9 30.00F TC 12
CHICAGO-MIDWAY PTSUNNY 55 31 39 W10 30.01F TC 13
AURORA MOSUNNY 57 29 34 W3G17 30.01F TC 14
JOLIET* MOSUNNY 59 32 35 SW5 30.02F TC 15
WAUKEGAN CLOUDY 45 35 68 E10 30.02F TC 7
DUPAGE AIRPORT PTSUNNY 56 35 45 W8 30.00F TC 13
KANKAKEE* MOSUNNY 57 32 39 W5 30.04F TC 14
WHEELING CLOUDY 49 39 68 NE9 30.02F TC 9
MORRIS* SUNNY 57 30 35 W10 30.01S TC 14
ROMEOVILLE* CLOUDY 55 32 41 W5G13 30.02F TC 13
LANSING* PTSUNNY 54 32 43 CALM 30.02F TC 12
NORTHERLY ISL* N/A 48 41 76 E10 N/A TC 9
LMZ740>746-301800-
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 1016.4 1/ 2
WAUKEGAN HARBOR 42 48 30/ 10/ 12 1016.7 1/ 2
HARRISON CRIB 45 70/ 15/ 16 N/A
NORTHERLY ISL 49 80/ 7/ 8 N/A
CALUMET HARBOR 48 70/ 8/ 9 1016.4
BURNS HARBOR 46 40/ 4/ 6 1017.9S
MICHIGAN CITY 44 10/ 6/ 7 1017.2
ST. JOSEPH BUOY 43 10/ 4/ 6 1018.0F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-301800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 56 39 53 SW5 30.06F TC 13
GALESBURG* MOSUNNY 56 36 46 W15G23 30.05S TC 14
MACOMB* CLOUDY 57 37 46 W16G24 30.08R TC 14
JACKSONVILLE* SUNNY 60 36 40 SW15 30.06S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-301800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 59 29 32 MISG 30.03S TC 15
BLOOMINGTON SUNNY 60 34 37 NW8G17 30.04F TC 16
DECATUR SUNNY 59 31 34 VRB6 30.05F TC 15
PEORIA PTSUNNY 60 31 33 W14G20 30.03F TC 16
LACON* MOSUNNY 60 29 30 W10G21 30.01F TC 16
LINCOLN* SUNNY 61 33 34 NW3 30.05F TC 16
SPRINGFIELD SUNNY 61 33 35 SW10G17 30.05F TC 16
TAYLORVILLE SUNNY 61 34 36 W7 30.07S TC 16
ILZ033-039-045-046-055>057-062-063-301800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 58 33 39 W9G16 30.05S TC 14
DANVILLE* MOSUNNY 59 35 40 NW5 30.06S TC 15
RANTOUL* SUNNY 58 34 40 W8 30.04F TC 14
MATTOON SUNNY 58 35 42 VRB3 30.06S TC 14
PARIS* SUNNY 58 35 43 CALM 30.06F TC 14
ILZ079-100>102-301800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 61 32 33 VRB5 30.09S TC 16
BELLEVILLE SUNNY 62 38 41 CALM 30.07F TC 16
CAHOKIA* SUNNY 61 33 35 W3 30.08S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 61 33 35 VRB3 30.09F TC 16
CAIRO* MOSUNNY 62 35 36 NE9 30.10S TC 17
EFFINGHAM* SUNNY 60 36 40 W5 30.09S TC 15
MARION SUNNY 61 36 39 E9 30.09S TC 16
MT. VERNON SUNNY 60 36 40 NE7 30.09F TC 16
CENTRALIA* SUNNY 60 32 34 CALM 30.09S TC 16
SALEM* SUNNY 59 34 38 CALM 30.09S TC 15
METROPOLIS* MOSUNNY 61 35 37 NE8G16 30.10S TC 16
ILZ067-068-072-073-078-083-087-091-301800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 59 34 39 N7 30.08S TC 15
FLORA* SUNNY 59 36 41 E6 30.09S TC 15
FAIRFIELD* SUNNY 59 32 35 CALM 30.09S TC 15
HARRISBURG* SUNNY 60 37 41 NE10 30.10S TC 16
ROBINSON* SUNNY 59 36 41 NE8 30.07F TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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