889
ASUS43 KLOT 301310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-301400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 45 36 70 CALM 30.04R TC 7
STERLING* SUNNY 46 39 76 CALM 30.05R TC 8
SAVANNA* MOSUNNY 43 38 82 NE3 30.04R TC 6
ILZ003-004-008-010-011-017-018-301400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 42 38 85 CALM 30.04S TC 6
FREEPORT* CLOUDY 45 40 81 CALM 30.04S TC 7
ROCHELLE* MOSUNNY 43 37 79 CALM 30.04S TC 6
DE KALB* CLOUDY 44 35 72 NW3 30.04S TC 7
PERU* SUNNY 46 37 71 W7 30.05S TC 8
ILZ005-006-012>014-019>023-301400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 43 38 82 CALM 30.03R TC 6
CHICAGO-MIDWAY MOSUNNY 44 38 79 CALM 30.04R TC 7
AURORA MOSUNNY 43 39 86 W6 30.03S TC 6
JOLIET* MOSUNNY 48 41 77 CALM 30.05S TC 9
WAUKEGAN SUNNY 43 40 89 NW3 30.02S TC 6
DUPAGE AIRPORT PTSUNNY 44 38 79 W3 30.03S TC 7
KANKAKEE* SUNNY 45 40 83 NW3 30.06S TC 7
WHEELING MOSUNNY 44 39 82 W3 30.05R TC 7
MORRIS* MOSUNNY 45 39 81 CALM 30.04R TC 7
ROMEOVILLE* MOSUNNY 45 41 87 CALM 30.05R TC 7
LANSING* SUNNY 44 39 85 CALM 30.04S TC 7
NORTHERLY ISL* N/A 47 36 65 SW6 N/A TC 8
LMZ740>746-301400-
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 1021.8 1
WAUKEGAN HARBOR 45 48 270/ 2/ 2 1016.9 1
HARRISON CRIB 300/ 8 N/A
NORTHERLY ISL 44 250/ 5/ 8 N/A
CALUMET HARBOR 43 260/ 4/ 7 1016.8
BURNS HARBOR 45 280/ 4/ 5 1017.9R
MICHIGAN CITY 41 150/ 4/ 5 1016.8R
ST. JOSEPH BUOY 42 310/ 8/ 10 1017.6R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-301400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 46 39 76 SW8 30.07R TC 8
GALESBURG* MOSUNNY 46 37 71 SW3 30.06S TC 8
MACOMB* PTSUNNY 47 37 68 CALM 30.08S TC 9
JACKSONVILLE* SUNNY 47 38 71 SW6 30.08S TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-301400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 45 37 75 MISG 30.06R TC 7
BLOOMINGTON SUNNY 47 38 71 SW8 30.06R TC 8
DECATUR SUNNY 48 41 76 SW6 30.07R TC 9
PEORIA SUNNY 45 35 68 CALM 30.06R TC 7
LACON* SUNNY 46 38 76 CALM 30.05S TC 8
LINCOLN* SUNNY 47 43 84 CALM 30.07S TC 8
SPRINGFIELD SUNNY 46 38 73 SW5 30.08R TC 8
TAYLORVILLE SUNNY 46 39 76 SW3 30.09R TC 8
ILZ033-039-045-046-055>057-062-063-301400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 46 41 82 W5 30.07R TC 8
DANVILLE* SUNNY 45 44 97 W7 30.07R TC 7
RANTOUL* SUNNY 46 41 83 W6 30.07R TC 8
MATTOON SUNNY 48 42 80 MISG 30.07R TC 9
PARIS* SUNNY 47 43 87 W3 30.07S TC 8
ILZ079-100>102-301400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 46 41 81 CALM 30.10R TC 8
BELLEVILLE SUNNY 50 42 75 CALM 30.08R TC 10
CAHOKIA* SUNNY 49 43 80 CALM 30.09R TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 49 44 83 N3 30.10R TC 9
CAIRO* SUNNY 52 42 68 N6 30.10R TC 11
EFFINGHAM* SUNNY 47 44 88 CALM 30.10F TC 8
MARION SUNNY 48 43 81 CALM 30.10R TC 9
MT. VERNON SUNNY 49 42 77 NE3 30.10R TC 9
CENTRALIA* SUNNY 49 44 85 CALM 30.10R TC 9
SALEM* SUNNY 50 43 75 CALM 30.10R TC 10
METROPOLIS* SUNNY 51 43 73 N3 30.10R TC 11
ILZ067-068-072-073-078-083-087-091-301400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 49 42 77 N6 30.09R TC 9
FLORA* SUNNY 48 43 81 CALM 30.10R TC 9
FAIRFIELD* SUNNY 49 41 73 CALM 30.10R TC 10
HARRISBURG* SUNNY 51 43 74 NE7 30.10R TC 10
ROBINSON* SUNNY 48 45 87 W3 30.09R TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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