980
ASUS43 KLOT 182212
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM 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.
ILZ001-002-007-009-015-016-024-182300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 73 44 35 E6 29.91F TC 23
STERLING* SUNNY 74 44 34 NE5 29.93 TC 23
ILZ003-004-008-010-011-017-018-182300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 71 44 37 E3 29.96S TC 22
ROCHELLE* SUNNY 71 42 34 E3 29.94F TC 22
DE KALB* SUNNY 68 45 42 CALM 29.96F TC 20
PERU* SUNNY 76 41 28 N6 29.92F TC 24
ILZ005-006-012>014-019>023-182300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 60 45 57 E12 29.98S TC 16
CHICAGO-MIDWAY MOSUNNY 57 43 59 E10 30.00R TC 14
AURORA SUNNY 72 45 37 N8 29.94R TC 22
JOLIET* SUNNY 70 51 50 E12 29.95S TC 21
WAUKEGAN SUNNY 51 40 65 E9 30.00S TC 11
DUPAGE AIRPORT SUNNY 66 48 52 NE13 29.95R TC 19
KANKAKEE* SUNNY 71 46 41 W3 29.95S TC 22
WHEELING SUNNY 55 42 61 NE10 30.01S TC 13
MORRIS* SUNNY 74 45 35 N3 29.93S TC 23
ROMEOVILLE* SUNNY 66 50 55 NE13 29.97R TC 19
LANSING* SUNNY 57 47 69 NE10 30.00S TC 14
NORTHERLY ISL* N/A 49 42 77 NE10 N/A TC 9
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)
HARRISON CRIB 50 50/ 14/ 15 N/A
NORTHERLY ISL 50 50/ 12/ 12 N/A
CALUMET HARBOR 51 40/ 9/ 13 1014.9
BURNS HARBOR 51 60/ 8/ 9 1016.3F
MICHIGAN CITY 49 40/ 15/ 17 1015.5F
ST. JOSEPH BUOY 50 56 30/ 14/ 17 1016.9F 2/ 3
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 76 42 29 SE6 29.92F TC 24
GALESBURG* SUNNY 75 35 23 NE6 29.93F TC 24
MACOMB* SUNNY 76 40 27 CALM 29.94F TC 25
JACKSONVILLE* SUNNY 75 37 24 CALM 29.93S TC 24
PITTSFIELD* SUNNY 77 37 23 NE6 29.93F TC 25
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 75 42 30 CALM 29.93F TC 24
BLOOMINGTON SUNNY 74 43 32 CALM 29.94F TC 23
DECATUR SUNNY 76 47 35 S5 29.94S TC 24
PEORIA SUNNY 74 46 36 S5 29.92F TC 23
LACON* SUNNY 73 43 33 CALM 29.92F TC 23
LINCOLN* SUNNY 77 46 32 CALM 29.92F TC 25
SPRINGFIELD SUNNY 75 44 33 E5 29.93F TC 24
TAYLORVILLE SUNNY 75 45 33 MISG 29.94F TC 24
ILZ033-039-045-046-055>057-062-063-182300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 77 45 32 E5 29.92F TC 25
RANTOUL* SUNNY 75 44 32 CALM 29.92F TC 24
MATTOON SUNNY 74 45 35 S6 29.92F TC 23
PARIS* SUNNY 77 43 29 NW6 29.92S TC 25
ILZ079-100>102-182300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 50 38 SE6 29.92F TC 25
BELLEVILLE PTSUNNY 77 54 43 E3 29.90F TC 25
CAHOKIA* PTSUNNY 78 52 40 SE5 29.90F TC 26
SPARTA* PTSUNNY 76 54 46 SE6 29.94R TC 25
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 PTSUNNY 76 55 48 VRB5 29.92F TC 24
CAIRO* CLOUDY 77 56 47 NE6 29.92F TC 25
EFFINGHAM* SUNNY 76 45 32 W5 29.96S TC 25
MARION MOSUNNY 75 52 43 CALM 29.93F TC 24
MT. VERNON N/A 77 54 44 CALM 29.93F TC 25
CENTRALIA* MOSUNNY 77 50 38 CALM 29.93F TC 25
SALEM* MOSUNNY 78 44 30 W5 29.92F TC 25
METROPOLIS* CLOUDY 77 55 45 CALM 29.93S TC 25
ILZ067-068-072-073-078-083-087-091-182300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 78 46 32 W8 29.92F TC 26
FLORA* SUNNY 77 48 36 N5 29.93F TC 25
FAIRFIELD* MOSUNNY 77 46 33 W3 29.92F TC 25
HARRISBURG* PTSUNNY 75 52 44 CALM 29.94S TC 24
ROBINSON* SUNNY 77 45 31 VRB5 29.92F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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