510
ASUS43 KLOT 172306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-180000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 64 42 44 W22G31 29.81R TC 18
STERLING* CLOUDY 67 44 43 W21 29.78R TC 19
ILZ003-004-008-010-011-017-018-180000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 66 43 43 W15G24 29.77R TC 19
ROCHELLE* CLOUDY 65 42 41 W20G25 29.77R HAZE TC 19
DE KALB* CLOUDY 66 45 46 W21 29.77R TC 19
PERU* MOSUNNY 69 43 38 W15G25 29.79R TC 21
ILZ005-006-012>014-019>023-180000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 69 45 41 W16G26 29.72R TC 21
CHICAGO-MIDWAY PTSUNNY 70 44 39 W15G25 29.72S TC 21
AURORA PTSUNNY 70 44 39 W22G31 29.74R TC 21
JOLIET* PTSUNNY 70 44 39 W10G21 29.76R TC 21
WAUKEGAN PTSUNNY 67 46 47 NW10G21 29.71R TC 19
DUPAGE AIRPORT MOSUNNY 70 44 39 W21G29 29.73R TC 21
KANKAKEE* MOSUNNY 70 43 38 W21G29 29.78S TC 21
WHEELING CLOUDY 69 45 41 NW14G24 29.73R TC 21
MORRIS* PTSUNNY 70 45 40 W18G30 29.76R TC 21
ROMEOVILLE* PTSUNNY 70 45 40 W20 29.75S TC 21
LANSING* MOSUNNY 69 46 43 W14G22 29.74S TC 21
NORTHERLY ISL* N/A 68 41 37 W14 N/A TC 20
LMZ740>746-180000-
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)
HARRISON CRIB 70 290/ 19/ 21 N/A
NORTHERLY ISL 68 270/ 9/ 16 N/A
CALUMET HARBOR 69 230/ 8/ 14 1005.6R
BURNS HARBOR 61 70/ 2/ 3 1007.5R
MICHIGAN CITY 58 200/ 1/ 2 1006.0
ST. JOSEPH BUOY 56 56 230/ 4/ 6 1007.5R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 70 45 40 NW17 29.86R TC 21
GALESBURG* SUNNY 64 41 42 W20G29 29.85S TC 18
MACOMB* SUNNY 68 45 43 NW18 29.87R TC 20
PITTSFIELD* SUNNY 72 47 40 W14G21 29.86S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-180000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 69 42 37 W21G28 29.80R TC 20
BLOOMINGTON SUNNY 67 47 48 W21G29 29.82S TC 19
DECATUR MOSUNNY 72 49 44 W14G23 29.82S TC 22
PEORIA SUNNY 66 43 43 NW16G29 29.83S TC 19
LACON* SUNNY 66 42 40 W15G23 29.80S TC 19
LINCOLN* MOSUNNY 71 47 42 W7 29.82S TC 21
SPRINGFIELD MOSUNNY 72 47 40 W18G26 29.82S TC 22
TAYLORVILLE MOSUNNY 72 48 43 MISG 29.83F TC 22
ILZ033-039-045-046-055>057-062-063-180000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 72 47 40 W18G25 29.81R TC 22
RANTOUL* SUNNY 71 45 38 W20 29.79F TC 22
MATTOON MOSUNNY 69 50 50 W14G22 29.82S TC 21
PARIS* PTSUNNY 70 48 45 W14 29.81S TC 21
ILZ079-100>102-180000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 48 40 W13G23 29.86S TC 23
BELLEVILLE PTSUNNY 75 53 45 W14 29.84S TC 24
CAHOKIA* PTSUNNY 73 51 46 W9 29.85S TC 23
SPARTA* MOSUNNY 75 51 44 NW8 29.88R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 78 50 37 W9 29.85S TC 26
CAIRO* MOSUNNY 83 59 44 SW6 29.86F HX 83 TC 28
EFFINGHAM* PTSUNNY 70 52 52 W12G20 29.87S TC 21
MARION PTSUNNY 75 48 38 W7 29.86S TC 24
MT. VERNON N/A 72 54 53 W5 29.86S TC 22
CENTRALIA* MOSUNNY 72 52 49 W13 29.86S TC 22
SALEM* PTSUNNY 72 51 47 W12 29.86S TC 22
METROPOLIS* SUNNY 81 55 41 SW10 29.86F HX 80 TC 27
ILZ067-068-072-073-078-083-087-091-180000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 71 51 49 W15 29.84R TC 22
FLORA* PTSUNNY 72 54 53 W15 29.86S TC 22
FAIRFIELD* MOSUNNY 72 51 48 NW6 29.86S TC 22
HARRISBURG* SUNNY 75 52 43 W9G17 29.86S TC 24
ROBINSON* PTSUNNY 72 52 49 W14 29.83R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page