482
ASUS43 KLOT 170110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT SAT AUG 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 86 79 79 SW5 29.96S HX 99 TC 30
STERLING* MOCLDY 79 74 84 E15 30.03R HX 82 TC 26
ILZ003-004-008-010-011-017-018-170200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 69 93 E8 30.03F TC 22
ROCHELLE* LGT RAIN 72 70 92 NE13 30.05S TC 22
DE KALB* MOCLDY 73 70 92 SE6 30.04F TC 23
PERU* MOCLDY 78 69 74 E13 30.05R HX 80 TC 25
ILZ005-006-012>014-019>023-170200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE TSTM 74 69 85 S8 30.03F TC 23
CHICAGO-MIDWAY TSTM 77 70 79 NE20G26 30.06R FOG TC 25
AURORA NOT AVBL
JOLIET* CLOUDY 78 72 83 NE18 30.08R TC 25
WAUKEGAN MOCLDY 76 71 85 SE6 29.99F TC 24
DUPAGE AIRPORT LGT RAIN 74 70 87 SE5 30.03F TC 23
KANKAKEE* MOCLDY 75 68 78 CALM 30.07R TC 24
WHEELING TSTM 74 68 81 SW7 30.04F TC 23
MORRIS* CLOUDY 76 68 76 N5 30.07R TC 25
ROMEOVILLE* TSTM 77 75 94 N16G28 30.10R VSB 1 TC 25
LANSING* MOCLDY 78 71 78 N17G28 30.11R HX 81 TC 26
NORTHERLY ISL* N/A 70 66 87 NE18 N/A TC 21
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 75 76 140/ 16/ 19 1012.7F 2/ 4
WINTHROP HARBOR 77 75 140/ 12/ 17 N/A 3/ 4
WAUKEGAN HARBOR 77 76 170/ 8/ 10 N/A 2/ 4
WILMETTE BUOY 77 1018.0F 2/ 4
NORTHERLY ISL 76 320/ 17 N/A
CALUMET HARBOR 77 330/ 17/ 28 1017.4
BURNS HARBOR 79 360/ 16/ 20 1018.6R
MICHIGAN CITY 78 1017.0
MICH CITY BUOY 79 78 340/ 21/ 31 1016.4R 1/ 2
ST. JOSEPH BUOY 78 77 310/ 25/ 33 1019.2R 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 87 80 79 S3 30.01R HX 103 TC 31
GALESBURG* CLEAR 83 77 81 S5 30.00S HX 93 TC 29
MACOMB* CLEAR 83 80 89 S5 30.02F HX 96 TC 29
JACKSONVILLE* PTCLDY 85 82 91 S5 30.02R HX 101 TC 29
PITTSFIELD* PTCLDY 86 81 84 S3 30.03R HX 103 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-170200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 82 78 89 NE9 30.03R HX 90 TC 28
BLOOMINGTON MOCLDY 85 80 85 S9 30.03F HX 99 TC 29
DECATUR MOCLDY 88 77 69 CALM 30.04R HX 100 TC 31
PEORIA PTCLDY 88 77 69 S6 30.00S HX 100 TC 31
LACON* PTCLDY 85 79 82 CALM 29.99R HX 96 TC 29
LINCOLN* MOCLDY 83 72 69 S5 30.03R HX 87 TC 28
SPRINGFIELD MOCLDY 83 76 79 CALM 30.02R HX 91 TC 28
TAYLORVILLE MOCLDY 82 79 89 S3 30.04R HX 93 TC 28
ILZ033-039-045-046-055>057-062-063-170200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 80 73 79 E14G23 30.06S HX 84 TC 27
RANTOUL* CLOUDY 77 68 73 S8G20 30.04F TC 25
MATTOON MOCLDY 84 74 71 CALM 30.04R HX 91 TC 29
PARIS* TSTM 73 72 96 NE8 30.09R TC 23
ILZ079-100>102-170200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 77 75 94 VRB3 30.03R TC 25
BELLEVILLE PTCLDY 84 76 76 CALM 30.00R HX 93 TC 29
CAHOKIA* PTCLDY 80 76 87 CALM 30.01R HX 86 TC 27
SPARTA* PTCLDY 91 70 50 CALM 30.03S HX 95 TC 33
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 83 77 82 CALM 30.01S HX 92 TC 28
CAIRO* CLEAR 84 80 87 CALM 30.01F HX 98 TC 29
EFFINGHAM* PTCLDY 82 79 90 CALM 30.06R HX 93 TC 28
MARION CLEAR 84 70 63 CALM 30.03R HX 88 TC 29
MT. VERNON CLEAR 81 76 84 CALM 30.04R HX 87 TC 27
CENTRALIA* PTCLDY 80 73 80 CALM 30.04R HX 84 TC 27
SALEM* PTCLDY 82 76 83 CALM 30.04R HX 89 TC 28
METROPOLIS* CLEAR 85 73 67 CALM 30.02S HX 91 TC 29
ILZ067-068-072-073-078-083-087-091-170200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 83 78 85 SE5 30.04R HX 93 TC 28
FLORA* CLEAR 84 79 84 CALM 30.05R HX 96 TC 29
FAIRFIELD* CLEAR 80 76 86 CALM 30.04R HX 86 TC 27
HARRISBURG* CLEAR 84 75 74 CALM 30.03R HX 92 TC 29
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