909
ASUS43 KLOT 170110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT TUE SEP 16 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.
ILZ001-002-007-009-015-016-024-170200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 71 62 73 CALM 30.11R TC 22
STERLING* CLEAR 75 56 51 CALM 30.14R TC 24
ILZ003-004-008-010-011-017-018-170200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 75 57 53 E5 30.16R TC 24
ROCHELLE* CLEAR 68 54 59 E7 30.15R TC 20
DE KALB* CLEAR 70 58 67 E6 30.17R TC 21
PERU* CLEAR 74 56 53 E6 30.13R TC 24
ILZ005-006-012>014-019>023-170200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 73 52 47 E6 30.15R TC 23
CHICAGO-MIDWAY MOCLDY 75 52 44 E7 30.15S TC 24
AURORA CLEAR 71 57 61 E5 30.15R TC 22
JOLIET* CLEAR 71 56 59 NE3 30.15R TC 22
WAUKEGAN PTCLDY 63 58 83 CALM 30.16R TC 17
DUPAGE AIRPORT CLEAR 72 55 55 E6 30.16R TC 22
KANKAKEE* CLEAR 64 55 72 NE7 30.15S TC 18
WHEELING PTCLDY 70 58 65 CALM 30.17R TC 21
MORRIS* CLEAR 71 58 62 E5 30.14R TC 22
ROMEOVILLE* CLEAR 72 57 60 NE5 30.15S TC 22
LANSING* CLEAR 69 58 69 NE5 30.16R TC 20
NORTHERLY ISL* N/A 68 61 78 N1 N/A TC 20
LMZ740>746-170200-
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)
S. MID LAKE BUOY 69 69 30/ 4/ 4 1021.3S 0
WINTHROP HARBOR 70 71 40/ 2/ 2 N/A 1/ 3
WAUKEGAN HARBOR 70 71 N/A 0
WILMETTE BUOY 71 60/ 4/ 6 1023.4 1
CHICAGO BUOY 71 66 30/ 4/ 4 1021.3 1
HARRISON CRIB 71 40/ 6/ 6 N/A
NORTHERLY ISL 68 360/ 3/ 5 N/A
CALUMET HARBOR 69 30/ 4/ 4 1019.8
BURNS HARBOR 69 50/ 3/ 4 1021.3S
MICHIGAN CITY 69 40/ 6/ 7 1019.7F
ST. JOSEPH BUOY 69 69 350/ 10/ 14 1021.7F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 80 60 50 E7 30.09S HX 81 TC 27
GALESBURG* CLEAR 71 57 60 E5 30.13R TC 22
MACOMB* CLEAR 70 59 68 CALM 30.12S TC 21
JACKSONVILLE* CLEAR 74 56 51 N5 30.10R TC 24
PITTSFIELD* CLEAR 74 59 59 CALM 30.11S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-170200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 70 55 57 E6 30.14R TC 21
BLOOMINGTON CLEAR 71 57 61 E8 30.14R TC 22
DECATUR CLEAR 70 56 61 E7 30.12R TC 21
PEORIA CLEAR 76 55 48 CALM 30.12R TC 24
LACON* CLEAR 75 55 49 E6 30.12R TC 24
LINCOLN* CLEAR 74 57 54 NE5 30.11R TC 23
SPRINGFIELD CLEAR 72 59 63 CALM 30.10R TC 22
TAYLORVILLE CLEAR 75 52 43 MISG 30.10R TC 24
ILZ033-039-045-046-055>057-062-063-170200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 77 55 46 NE8 30.12S TC 25
DANVILLE* CLEAR 66 54 63 N7 30.13R TC 19
RANTOUL* CLEAR 74 54 48 NE9 30.13S TC 24
MATTOON CLEAR 73 52 47 NE7 30.10R TC 23
PARIS* CLEAR 71 52 50 NE3 30.11S TC 22
ILZ079-100>102-170200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 61 60 NE7 30.08R TC 24
BELLEVILLE CLEAR 81 61 49 N5 30.04R HX 82 TC 27
CAHOKIA* CLEAR 74 60 61 CALM 30.06R TC 23
SPARTA* CLEAR 84 57 39 N3 30.07R HX 83 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 73 65 75 CALM 30.05R TC 23
CAIRO* CLEAR 78 68 70 CALM 30.04S HX 80 TC 26
EFFINGHAM* CLEAR 76 56 51 CALM 30.10R TC 24
MARION CLEAR 75 61 62 CALM 30.06R TC 24
MT. VERNON CLEAR 70 64 81 CALM 30.07R TC 21
CENTRALIA* CLEAR 73 57 56 CALM 30.07R TC 23
SALEM* CLEAR 73 56 54 CALM 30.07R TC 23
METROPOLIS* CLEAR 78 66 67 CALM 30.05R TC 25
ILZ067-068-072-073-078-083-087-091-170200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 74 60 61 NE6 30.07S TC 23
FLORA* CLEAR 77 61 57 NE6 30.07S TC 25
FAIRFIELD* CLEAR 77 58 52 NE5 30.06S TC 25
HARRISBURG* CLEAR 75 59 57 MISG 30.06R TC 24
ROBINSON* CLEAR 72 61 68 NE7 30.08R 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