657
ASUS43 KLOT 182212
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT SAT APR 18 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.
ILZ001-002-007-009-015-016-024-182300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 50 23 34 W23G37 30.04R TC 10
STERLING* MOSUNNY 49 28 44 W28G33 30.01R TC 9
SAVANNA* MOSUNNY 47 25 42 W21G30 30.02S TC 8
ILZ003-004-008-010-011-017-018-182300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 47 27 45 W18G37 29.99R TC 8
FREEPORT* CLOUDY 46 30 52 W21G31 30.01R TC 8
ROCHELLE* MOSUNNY 47 28 47 W29G37 30.00R HAZE TC 8
DE KALB* MOSUNNY 45 30 55 W18G32 29.98R TC 7
PERU* MOSUNNY 50 32 49 W25 30.01S TC 10
ILZ005-006-012>014-019>023-182300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 49 28 44 W22G37 29.93R TC 9
CHICAGO-MIDWAY MOSUNNY 50 27 40 W21G38 29.95R TC 10
AURORA MOSUNNY 48 32 53 W26G38 29.97R TC 9
JOLIET* MOSUNNY 52 32 46 W12G23 29.98R TC 11
WAUKEGAN MOSUNNY 47 28 47 W16G33 29.91R TC 8
DUPAGE AIRPORT MOSUNNY 48 28 46 W26G43 29.96R TC 9
KANKAKEE* MOSUNNY 50 32 50 W23 30.00S TC 10
WHEELING PTSUNNY 49 27 42 NW18G33 29.94R TC 9
MORRIS* MOSUNNY 49 32 51 NW29G36 29.97S TC 10
LANSING* MOSUNNY 50 29 45 NW18G26 29.96R TC 10
NORTHERLY ISL* N/A 50 27 41 W16 N/A TC 10
LMZ740>746-182300-
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 44 1007.7 1/ 2
WAUKEGAN HARBOR 47 46 1014.1 1/ 2
HARRISON CRIB 48 280/ 24/ 26 N/A
NORTHERLY ISL 50 240/ 14/ 21 N/A
CALUMET HARBOR 50 250/ 13/ 19 1013.3
BURNS HARBOR 49 270/ 12/ 14 1013.9R
MICHIGAN CITY 47 260/ 18/ 20 1013.2R
ST. JOSEPH BUOY 43 260/ 6/ 8 1014.3R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-182300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 55 27 34 W21G28 30.09S TC 13
GALESBURG* SUNNY 50 33 51 W22G32 30.07R TC 10
MACOMB* SUNNY 53 29 40 NW25G32 30.10S TC 12
JACKSONVILLE* SUNNY 55 26 33 W22G32 30.08S TC 13
PITTSFIELD* SUNNY 56 27 32 W16G24 30.10S TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-182300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 51 30 43 MISG 30.01R TC 11
BLOOMINGTON SUNNY 52 30 43 NW23G31 30.02S TC 11
DECATUR SUNNY 53 32 44 W15G31 30.03F TC 12
PEORIA SUNNY 52 26 36 NW18G38 30.04S TC 11
LACON* SUNNY 51 27 39 NW17G33 30.03R TC 11
LINCOLN* SUNNY 55 31 40 NW10G28 30.04S TC 13
SPRINGFIELD SUNNY 55 29 36 NW22G28 30.05S TC 13
TAYLORVILLE SUNNY 54 34 47 NW17G26 30.06F TC 12
ILZ033-039-045-046-055>057-062-063-182300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 51 34 52 W20G30 30.03R TC 11
DANVILLE* PTSUNNY 53 33 47 W15G26 30.02R TC 12
RANTOUL* SUNNY 51 32 48 W20 30.02R TC 11
MATTOON PTSUNNY 52 33 48 NW20 30.03F TC 11
PARIS* PTSUNNY 53 35 50 MISG 30.03S TC 12
ILZ079-100>102-182300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 57 34 41 NW16G25 30.08F TC 14
BELLEVILLE PTSUNNY 59 36 43 NW20 30.06F TC 15
CAHOKIA* MOSUNNY 56 31 38 NW20G32 30.09S TC 13
SPARTA* CLOUDY 55 32 41 NW9G17 30.10R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 55 37 50 NW10G21 30.08R TC 13
CAIRO* CLOUDY 54 47 80 NW7 30.10R TC 12
EFFINGHAM* PTSUNNY 53 34 49 W14G22 30.07S TC 12
MARION CLOUDY 54 39 58 NW5 30.07F TC 12
MT. VERNON CLOUDY 55 34 45 VRB7 30.07S TC 13
CENTRALIA* CLOUDY 55 34 46 NW14 30.07S TC 13
SALEM* CLOUDY 55 35 46 NW12G23 30.06S TC 13
METROPOLIS* CLOUDY 51 46 83 MISG 30.08S TC 11
ILZ067-068-072-073-078-083-087-091-182300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 53 37 54 NW13 30.04F TC 12
FLORA* CLOUDY 54 37 54 NW12 30.06S TC 12
FAIRFIELD* CLOUDY 53 37 53 NW6 30.06S TC 12
HARRISBURG* CLOUDY 52 41 66 NW8 30.08R TC 11
ROBINSON* CLOUDY 54 36 50 NW16 30.04S TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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