317
ASUS43 KLOT 172209
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT SAT MAY 17 2025
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.
ILZ001-002-007-009-015-016-024-172300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 65 43 44 W21G33 29.80R TC 18
STERLING* PTSUNNY 69 44 40 W18 29.77R TC 21
ILZ003-004-008-010-011-017-018-172300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 70 44 39 W17G28 29.75R TC 21
ROCHELLE* PTSUNNY 67 42 40 W22G28 29.76R HAZE TC 19
DE KALB* PTSUNNY 67 45 45 W15G23 29.75R TC 20
PERU* MOSUNNY 70 43 37 W18G28 29.78R TC 21
ILZ005-006-012>014-019>023-172300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 71 45 39 W17G30 29.70R TC 22
CHICAGO-MIDWAY PTSUNNY 70 43 37 W20G29 29.72R TC 21
AURORA MOSUNNY 70 44 39 W23G31 29.73R TC 21
JOLIET* PTSUNNY 71 44 38 W16G23 29.74R TC 22
WAUKEGAN PTSUNNY 69 45 41 W13G28 29.69R TC 21
DUPAGE AIRPORT PTSUNNY 69 44 40 W16G29 29.72R TC 21
KANKAKEE* MOSUNNY 70 43 36 NW17G30 29.77S TC 21
WHEELING CLOUDY 70 45 40 W14G25 29.72R TC 21
MORRIS* PTSUNNY 71 45 40 W24 29.75R TC 21
ROMEOVILLE* PTSUNNY 70 45 40 W20 29.75R TC 21
LANSING* PTSUNNY 67 46 45 W15G28 29.73R TC 20
NORTHERLY ISL* N/A 68 42 38 W9 N/A TC 20
LMZ740>746-172300-
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>099-172300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 71 45 39 W18 29.85S TC 22
GALESBURG* SUNNY 65 41 42 W21G29 29.85R TC 18
MACOMB* MOSUNNY 68 45 43 W20G26 29.86R TC 20
JACKSONVILLE* MOSUNNY 72 44 36 W13G18 29.84S TC 22
PITTSFIELD* SUNNY 72 46 39 W12G21 29.86S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-172300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 70 42 36 W17G24 29.79R TC 21
BLOOMINGTON SUNNY 69 47 45 W17G24 29.82R TC 21
DECATUR MOSUNNY 73 49 42 W16G25 29.82S TC 23
PEORIA SUNNY 68 44 42 W13G25 29.83R TC 20
LACON* SUNNY 67 42 39 W14G24 29.79S TC 20
LINCOLN* SUNNY 71 47 42 W9G16 29.82R TC 22
SPRINGFIELD MOSUNNY 73 47 39 W18G33 29.82R TC 23
TAYLORVILLE MOSUNNY 72 48 43 MISG 29.84R TC 22
ILZ033-039-045-046-055>057-062-063-172300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 73 48 41 W20G31 29.80R TC 23
RANTOUL* SUNNY 71 44 37 W21 29.79S TC 22
MATTOON MOSUNNY 69 51 52 W15G30 29.82R TC 21
PARIS* PTSUNNY 71 49 44 W16 29.81R TC 22
ILZ079-100>102-172300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 48 43 W18G25 29.86S TC 22
BELLEVILLE PTSUNNY 74 53 47 W14 29.84R TC 23
CAHOKIA* PTSUNNY 73 51 46 W10 29.85S TC 23
SPARTA* MOSUNNY 77 51 40 W10G21 29.87S TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 79 49 34 W9 29.85S TC 26
CAIRO* SUNNY 83 57 41 SW10G18 29.87S HX 82 TC 28
EFFINGHAM* PTSUNNY 70 52 52 W14 29.86S TC 21
MARION PTSUNNY 77 48 36 NW7 29.86S TC 25
MT. VERNON N/A 74 53 48 VRB7 29.86R TC 23
CENTRALIA* MOSUNNY 72 51 48 W12 29.86S TC 22
SALEM* MOSUNNY 73 51 45 W14G20 29.86R TC 23
METROPOLIS* SUNNY 82 48 30 W13G20 29.86S HX 80 TC 28
ILZ067-068-072-073-078-083-087-091-172300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 71 51 49 W14 29.83R TC 22
FLORA* MOSUNNY 72 52 49 W16 29.86R TC 22
FAIRFIELD* MOSUNNY 72 50 46 NW6 29.85S TC 22
HARRISBURG* MOSUNNY 77 54 44 W12 29.86S TC 25
ROBINSON* PTSUNNY 72 50 46 W15G22 29.82S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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