985
ASUS43 KLOT 180410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-180500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 56 40 55 NW10 29.88R TC 13
STERLING* CLEAR 57 42 57 NW8 29.87R TC 14
ILZ003-004-008-010-011-017-018-180500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 56 42 59 NW10 29.87R TC 13
ROCHELLE* CLEAR 55 41 60 NW6 29.86R TC 13
DE KALB* CLEAR 55 44 67 NW8 29.85R TC 13
PERU* CLEAR 56 41 57 W6 29.86R TC 13
ILZ005-006-012>014-019>023-180500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 61 44 53 NW10 29.80R TC 16
CHICAGO-MIDWAY PTCLDY 63 43 48 NW9G20 29.81R TC 17
AURORA CLEAR 57 43 59 NW8 29.82R TC 14
JOLIET* CLEAR 61 44 53 CALM 29.84R TC 16
WAUKEGAN CLEAR 58 45 62 N10G18 29.80R TC 14
DUPAGE AIRPORT MOCLDY 59 44 57 NW9 29.82R TC 15
KANKAKEE* CLEAR 59 43 56 W9 29.84S TC 15
WHEELING PTCLDY 60 45 57 NW12 29.82R TC 16
MORRIS* CLEAR 57 44 60 W7 29.83R TC 14
ROMEOVILLE* CLEAR 59 45 58 W6 29.83S TC 15
LANSING* CLEAR 60 46 57 W10 29.82R TC 16
NORTHERLY ISL* N/A 62 42 47 NW7 N/A TC 17
LMZ740>746-180500-
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 67 300/ 20/ 23 N/A
NORTHERLY ISL 64 310/ 11/ 14 N/A
CALUMET HARBOR 64 270/ 5/ 10 1008.3R
BURNS HARBOR 58 290/ 5/ 6 1009.8R
MICHIGAN CITY 57 350/ 8/ 9 1008.5R
ST. JOSEPH BUOY 55 55 360/ 6/ 8 1009.9R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 57 45 64 N5 29.91S TC 14
GALESBURG* CLEAR 53 41 64 SW6 29.91R TC 12
MACOMB* CLEAR 52 42 68 W3 29.93R TC 11
JACKSONVILLE* CLEAR 55 43 63 NW3 29.90S TC 13
PITTSFIELD* CLEAR 59 48 67 CALM 29.92R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-180500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 57 42 57 W9 29.86R TC 14
BLOOMINGTON CLEAR 57 45 64 W10 29.89R TC 14
DECATUR CLEAR 62 48 60 NW9 29.89R TC 17
PEORIA CLEAR 57 42 57 W6 29.89R TC 14
LACON* CLEAR 56 41 55 W5 29.87R TC 14
LINCOLN* CLEAR 59 45 58 CALM 29.90R TC 15
SPRINGFIELD CLEAR 58 47 66 NW7 29.90R TC 14
TAYLORVILLE CLEAR 57 52 82 MISG 29.89S TC 14
ILZ033-039-045-046-055>057-062-063-180500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 55 46 71 W7 29.87R TC 13
RANTOUL* CLEAR 56 44 62 W6 29.87R TC 14
MATTOON CLEAR 59 51 75 W6 29.87R TC 15
PARIS* CLEAR 58 47 65 NW6 29.88R TC 15
ILZ079-100>102-180500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 61 51 69 CALM 29.90F TC 16
BELLEVILLE CLEAR 61 55 81 S3 29.88S TC 16
CAHOKIA* CLEAR 64 51 62 CALM 29.89S TC 18
SPARTA* CLEAR 65 52 62 SW3 29.93R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 63 55 75 W3 29.91R TC 17
CAIRO* CLOUDY 67 62 83 CALM 29.92R TC 20
EFFINGHAM* CLEAR 59 54 83 CALM 29.91S TC 15
MARION PTCLDY 60 56 85 CALM 29.92R TC 16
MT. VERNON N/A 56 55 97 CALM 29.90S FOG TC 13
CENTRALIA* CLEAR 60 55 83 SW3 29.89F TC 16
SALEM* CLEAR 60 55 81 CALM 29.89F TC 16
METROPOLIS* MOCLDY 65 58 79 W3 29.92R TC 18
ILZ067-068-072-073-078-083-087-091-180500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 60 53 77 W6 29.88R TC 16
FLORA* CLEAR 59 55 88 W3 29.89F TC 15
FAIRFIELD* CLEAR 58 55 89 CALM 29.89F TC 15
HARRISBURG* CLEAR 60 56 87 CALM 29.91S TC 15
ROBINSON* CLEAR 59 52 77 SW8 29.86S TC 15
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