253
ASUS43 KLOT 181512
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT SUN MAY 18 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.
ILZ001-002-007-009-015-016-024-181600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 59 44 57 VRB6 29.98F TC 15
STERLING* SUNNY 61 47 59 NW6 29.99F TC 16
ILZ003-004-008-010-011-017-018-181600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 59 45 59 CALM 29.99F TC 15
ROCHELLE* MOSUNNY 58 44 59 CALM 29.98F TC 15
DE KALB* MOSUNNY 58 47 65 N7 29.98F TC 15
PERU* MOSUNNY 60 45 56 N8 29.98F TC 16
ILZ005-006-012>014-019>023-181600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 59 47 64 N12 29.96R TC 15
CHICAGO-MIDWAY PTSUNNY 61 46 57 N8 29.97S TC 16
AURORA SUNNY 62 47 57 N12 29.96F TC 17
JOLIET* CLOUDY 61 49 64 NE7 29.97F TC 16
WAUKEGAN CLOUDY 56 47 71 E8 29.96S TC 13
DUPAGE AIRPORT MOSUNNY 61 47 59 VRB3 29.96F TC 16
KANKAKEE* MOSUNNY 61 46 57 N8 29.97S TC 16
WHEELING CLOUDY 59 48 67 NW6 29.98R TC 15
MORRIS* PTSUNNY 61 47 58 N3 29.96F TC 16
ROMEOVILLE* CLOUDY 59 50 72 N5 29.97F TC 15
LANSING* CLOUDY 57 49 75 NE9 29.98R TC 14
NORTHERLY ISL* N/A 54 48 80 NE9 N/A TC 12
LMZ740>746-181600-
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 54 40/ 10/ 11 N/A
NORTHERLY ISL 56 360/ 10/ 10 N/A
CALUMET HARBOR 55 340/ 7/ 10 1013.8S
BURNS HARBOR 51 360/ 5/ 7 1015.6R
MICHIGAN CITY 50 350/ 11/ 13 1014.3R
ST. JOSEPH BUOY 50 55 20/ 14/ 17 1015.6R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 59 42 53 N12 29.99F TC 15
GALESBURG* SUNNY 57 43 60 N7 30.00F TC 14
MACOMB* SUNNY 58 43 56 N8 30.02F TC 15
JACKSONVILLE* SUNNY 61 40 47 N10 29.98S TC 16
PITTSFIELD* SUNNY 61 43 51 N9 30.00S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-181600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 60 44 54 NW12G17 29.97F TC 16
BLOOMINGTON SUNNY 60 46 59 N10 29.98S TC 16
DECATUR SUNNY 64 47 53 N12 29.97S TC 18
PEORIA SUNNY 60 44 55 VRB5G16 29.98S TC 16
LACON* SUNNY 57 43 58 N6 29.98S TC 14
LINCOLN* SUNNY 62 46 56 N8 29.98S TC 16
SPRINGFIELD SUNNY 63 44 50 N13 29.97S TC 17
TAYLORVILLE SUNNY 63 45 51 MISG 29.98R TC 17
ILZ033-039-045-046-055>057-062-063-181600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 64 46 52 NW12 29.95F TC 18
RANTOUL* SUNNY 62 45 53 N12 29.96S TC 17
MATTOON SUNNY 64 46 52 NW9 29.95 TC 18
PARIS* SUNNY 64 44 48 NW12 29.96S TC 18
ILZ079-100>102-181600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 64 46 52 E5 29.99R TC 18
BELLEVILLE MOSUNNY 66 48 50 E5 29.96S TC 19
CAHOKIA* MOSUNNY 67 48 50 NE6 29.97F TC 19
SPARTA* PTSUNNY 66 49 53 NE7 30.00R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 66 50 56 CALM 29.98R TC 19
CAIRO* CLOUDY 69 56 62 E6 29.98R TC 21
EFFINGHAM* MOSUNNY 64 46 52 N5 29.98S TC 18
MARION CLOUDY 64 48 55 NE7 29.98F TC 18
MT. VERNON N/A 66 50 56 VRB5 29.98R TC 19
CENTRALIA* PTSUNNY 65 47 51 NE3 29.98R TC 19
SALEM* MOSUNNY 67 45 45 N3 29.97S TC 19
METROPOLIS* CLOUDY 67 52 58 CALM 29.97R TC 20
ILZ067-068-072-073-078-083-087-091-181600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 68 46 45 VRB5 29.96F TC 20
FLORA* MOSUNNY 66 46 48 NE6 29.98R TC 19
FAIRFIELD* PTSUNNY 66 45 46 NE5 29.97S TC 19
HARRISBURG* CLOUDY 65 49 56 NE8 29.97R TC 19
ROBINSON* MOSUNNY 64 45 48 VRB5 29.96S TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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