299
ASUS43 KLOT 181606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-181700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 61 45 55 N5 29.99R TC 16
STERLING* MOSUNNY 63 48 58 VRB5 29.99S TC 17
ILZ003-004-008-010-011-017-018-181700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 64 46 52 N8 29.99S TC 18
ROCHELLE* MOSUNNY 61 45 54 CALM 29.98S TC 16
DE KALB* MOSUNNY 61 46 59 NW6 29.98S TC 16
PERU* SUNNY 64 45 49 N5 29.98S TC 18
ILZ005-006-012>014-019>023-181700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 62 47 57 VRB5 29.95F TC 17
CHICAGO-MIDWAY PTSUNNY 62 46 55 NE6 29.97S TC 17
AURORA PTSUNNY 62 46 55 N7 29.96S TC 17
JOLIET* CLOUDY 62 49 61 N5 29.97S TC 17
WAUKEGAN CLOUDY 50 43 77 E10 29.97R TC 10
DUPAGE AIRPORT PTSUNNY 62 46 55 CALM 29.96S TC 17
KANKAKEE* PTSUNNY 63 46 54 N7 29.97S TC 17
WHEELING CLOUDY 62 46 55 NE9G18 29.97F TC 17
MORRIS* MOSUNNY 63 47 56 NE3 29.96S TC 17
ROMEOVILLE* CLOUDY 61 50 67 N9 29.97S TC 16
LANSING* CLOUDY 57 49 73 NE5 29.98R TC 14
NORTHERLY ISL* N/A 54 47 77 NE12 N/A TC 12
LMZ740>746-181700-
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 60/ 13/ 13 N/A
NORTHERLY ISL 53 40/ 9/ 12 N/A
CALUMET HARBOR 53 10/ 8/ 10 1014.0
BURNS HARBOR 50 30/ 7/ 8 1015.9R
MICHIGAN CITY 48 20/ 12/ 14 1014.7R
ST. JOSEPH BUOY 51 55 20/ 16/ 19 1015.6S 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 62 42 47 N8 29.99S TC 17
GALESBURG* SUNNY 61 44 54 N5 30.01R TC 16
MACOMB* SUNNY 62 44 51 N6 30.02R TC 17
JACKSONVILLE* SUNNY 62 40 44 NW5 29.99S TC 17
PITTSFIELD* SUNNY 64 43 47 CALM 30.01R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-181700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 63 44 50 N6 29.97S TC 17
BLOOMINGTON SUNNY 63 47 55 N9 29.98S TC 17
DECATUR SUNNY 66 49 54 N9G16 29.99R TC 19
PEORIA SUNNY 64 45 49 N8 29.98S TC 18
LACON* SUNNY 60 44 56 NW6 29.98S TC 15
LINCOLN* SUNNY 64 47 53 N9 29.98S TC 18
SPRINGFIELD SUNNY 65 43 44 NW9 29.99R TC 18
TAYLORVILLE SUNNY 64 43 45 MISG 29.99R TC 18
ILZ033-039-045-046-055>057-062-063-181700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 67 47 48 VRB7 29.97R TC 19
RANTOUL* SUNNY 64 46 50 N12G18 29.96S TC 18
MATTOON SUNNY 66 46 48 N10 29.96R TC 19
PARIS* SUNNY 67 45 46 W7 29.97R TC 19
ILZ079-100>102-181700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 66 46 48 CALM 30.00R TC 19
BELLEVILLE PTSUNNY 69 49 48 NE3 29.98R TC 21
CAHOKIA* MOSUNNY 68 47 46 CALM 29.99R TC 20
SPARTA* CLOUDY 68 49 51 NE3 30.01R TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 66 49 54 SE5 30.00R TC 19
CAIRO* CLOUDY 68 57 67 N6 30.00S TC 20
EFFINGHAM* SUNNY 66 46 47 W5 30.00S TC 19
MARION PTSUNNY 66 48 52 CALM 30.01R TC 19
MT. VERNON N/A 68 49 50 NE3 30.00R TC 20
CENTRALIA* PTSUNNY 68 47 46 N5 29.99R TC 20
SALEM* MOSUNNY 70 45 41 NW5 29.99R TC 21
METROPOLIS* CLOUDY 68 52 55 N7 30.01R TC 20
ILZ067-068-072-073-078-083-087-091-181700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 70 46 42 NW7 29.97R TC 21
FLORA* MOSUNNY 68 48 49 N7 29.99R TC 20
FAIRFIELD* PTSUNNY 68 44 42 CALM 29.98R TC 20
HARRISBURG* CLOUDY 67 50 54 CALM 30.00R TC 19
ROBINSON* SUNNY 66 45 45 N3 29.96R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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