325
ASUS43 KLOT 300908
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-301000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 36 33 89 CALM 30.04R TC 2
STERLING* CLEAR 37 35 92 CALM 30.04S TC 3
SAVANNA* CLEAR 38 34 84 CALM 30.03S TC 3
ILZ003-004-008-010-011-017-018-301000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 34 34 100 CALM 30.04R TC 1
FREEPORT* MOCLDY 38 35 87 CALM 30.04R TC 3
ROCHELLE* PTCLDY 33 32 96 CALM 30.04R TC 1
DE KALB* CLEAR 35 32 91 CALM 30.03R TC 2
PERU* PTCLDY 39 37 93 SW3 30.04S TC 4
ILZ005-006-012>014-019>023-301000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 39 37 92 SW3 30.01R TC 4
CHICAGO-MIDWAY CLEAR 39 36 89 SW5 30.02R TC 4
AURORA CLEAR 34 34 100 W3 30.02S TC 1
JOLIET* CLEAR 35 35 100 CALM 30.04R TC 2
WAUKEGAN CLEAR 36 36 100 NW3 30.01R TC 2
DUPAGE AIRPORT CLEAR 37 37 100 CALM 30.02R TC 3
KANKAKEE* CLEAR 38 36 95 CALM 30.05R TC 3
WHEELING CLEAR 39 37 92 CALM 30.02S TC 4
MORRIS* CLEAR 37 36 93 CALM 30.03S TC 3
ROMEOVILLE* CLEAR 37 37 100 S3 30.04R TC 3
LANSING* CLEAR 35 35 100 CALM 30.03S FOG TC 2
NORTHERLY ISL* N/A 43 38 82 W6 N/A TC 6
LMZ740>746-301000-
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)
ILZ025>027-034>036-040-047-049-050-058-095>099-301000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 41 37 86 CALM 30.07R TC 5
GALESBURG* CLEAR 34 32 91 CALM 30.06S TC 1
MACOMB* CLEAR 38 35 90 CALM 30.08S TC 3
JACKSONVILLE* CLEAR 40 40 100 SW3 30.07R TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-301000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 38 35 89 MISG 30.05R TC 4
BLOOMINGTON CLEAR 38 36 92 CALM 30.06S TC 3
DECATUR CLEAR 39 37 92 CALM 30.06S TC 4
PEORIA CLEAR 38 35 89 SW3 30.05S TC 3
LACON* CLEAR 37 35 92 CALM 30.04S TC 3
LINCOLN* CLEAR 40 37 86 CALM 30.06F TC 5
SPRINGFIELD CLEAR 40 38 93 CALM 30.06F TC 4
TAYLORVILLE CLEAR 41 37 87 CALM 30.07S TC 5
ILZ033-039-045-046-055>057-062-063-301000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 38 37 97 W6 30.05R WCI 33 TC 3
DANVILLE* CLEAR 38 37 97 W5 30.06R WCI 34 TC 3
RANTOUL* CLEAR 38 38 97 W3 30.06R FOG TC 4
MATTOON CLEAR 41 38 89 W5 30.05R TC 5
PARIS* CLEAR 38 37 98 W5 30.05S WCI 34 TC 3
ILZ079-100>102-301000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 43 39 84 CALM 30.07S TC 6
BELLEVILLE CLEAR 45 39 79 N5 30.05S TC 7
CAHOKIA* CLEAR 42 40 92 CALM 30.06S TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 45 43 93 CALM 30.05S TC 7
CAIRO* CLEAR 51 43 74 N3 30.05R TC 11
EFFINGHAM* CLEAR 41 41 100 CALM 30.07S TC 5
MARION CLEAR 42 42 100 CALM 30.06S TC 6
MT. VERNON CLEAR 41 40 96 CALM 30.05F TC 5
CENTRALIA* CLEAR 43 40 91 CALM 30.06S TC 6
SALEM* CLEAR 46 41 84 CALM 30.05F TC 8
METROPOLIS* CLEAR 47 42 82 CALM 30.04S TC 9
ILZ067-068-072-073-078-083-087-091-301000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 45 39 79 N6 30.04R TC 7
FLORA* CLEAR 45 39 81 N3 30.06R TC 7
FAIRFIELD* CLEAR 44 40 83 CALM 30.05S TC 7
HARRISBURG* CLEAR 45 40 83 N6 30.05S TC 7
ROBINSON* CLEAR 45 41 87 N6 30.05R TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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