103
ASUS43 KLOT 162308
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-170000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE NOT AVBL
STERLING* MOSUNNY 92 80 68 VRB3 30.00S HX 110 TC 33
ILZ003-004-008-010-011-017-018-170000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 78 74 87 VRB3 30.04R HX 81 TC 26
ROCHELLE* MOSUNNY 76 69 78 E8 30.02F TC 25
DE KALB* PTSUNNY 71 71 99 S5 30.02F TC 22
PERU* PTSUNNY 91 80 71 S5 30.01F HX 108 TC 33
ILZ005-006-012>014-019>023-170000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 78 68 71 S8G16 30.00F THUNDER HX 80
CHICAGO-MIDWAY TSTM 84 69 60 SW9 29.99F HX 88 TC 29
AURORA NOT AVBL
JOLIET* LGT RAIN 73 71 93 NE8 29.97F TC 23
WAUKEGAN PTSUNNY 80 72 76 N15G24 30.07R HX 84 TC 27
DUPAGE AIRPORT PTSUNNY 75 70 83 S9 29.98F TC 24
WHEELING PTSUNNY 75 72 90 SW5 30.03R TC 24
MORRIS* PTSUNNY 77 68 73 NE7 30.00F TC 25
ROMEOVILLE* CLOUDY 72 70 94 NE33G45 30.01F TC 22
LANSING* PTSUNNY 87 72 62 N6 30.03R HX 93 TC 30
NORTHERLY ISL* N/A 79 71 76 E12 N/A HX 82 TC 26
LMZ740>746-170000-
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 77 76 150/ 12/ 19 1014.3F
WINTHROP HARBOR 77 76 360/ 14/ 21 N/A 2/ 3
WAUKEGAN HARBOR 78 76 330/ 8/ 16 N/A 1/ 2
WILMETTE BUOY 79 150/ 14/ 17 1017.3F 1
NORTHERLY ISL 82 350/ 7 N/A
CALUMET HARBOR 83 CALM / 1 1016.0
BURNS HARBOR 81 200/ 4/ 7 1017.3R
MICHIGAN CITY 83 360/ 2/ 3 1015.3R
MICH CITY BUOY 80 79 CALM 1015.6R 1
ST. JOSEPH BUOY 78 78 340/ 8/ 10 1017.6R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-170000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 91 80 70 S3 30.01F HX 109 TC 33
GALESBURG* MOSUNNY 90 78 68 S6 30.03R HX 104 TC 32
MACOMB* MOSUNNY 91 80 68 SW3 30.03S HX 109 TC 33
JACKSONVILLE* MOSUNNY 91 77 64 SW3 30.02S HX 104 TC 33
PITTSFIELD* MOSUNNY 93 76 58 W3 30.03S HX 106 TC 34
ILZ028>032-037-038-041>044-048-051>054-059>061-170000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 90 78 68 W3 30.02F HX 104 TC 32
BLOOMINGTON MOSUNNY 91 78 65 SW8 30.04F HX 106 TC 33
DECATUR SUNNY 92 76 59 SW9 30.03S HX 104 TC 33
PEORIA MOSUNNY 93 75 55 SW7 30.01S HX 104 TC 34
LACON* MOSUNNY 89 78 69 CALM 30.00S HX 102 TC 32
LINCOLN* MOSUNNY 94 77 57 SW3 30.02S HX 109 TC 35
SPRINGFIELD MOSUNNY 91 79 66 SW3 30.02S HX 107 TC 33
TAYLORVILLE MOSUNNY 91 79 66 S5 30.03S HX 107 TC 33
ILZ033-039-045-046-055>057-062-063-170000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 92 76 59 SW13 30.03F HX 104 TC 33
DANVILLE* PTSUNNY 76 73 89 N22G29 30.09R TC 25
RANTOUL* MOSUNNY 94 75 53 W7 30.02F HX 106 TC 35
MATTOON SUNNY 90 77 65 S7 30.03F HX 103 TC 32
PARIS* MOSUNNY 89 75 62 SW12 30.02F HX 100 TC 32
ILZ079-100>102-170000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 75 94 VRB3 30.03F TC 25
BELLEVILLE SUNNY 86 75 68 NE5 30.00F HX 95 TC 30
CAHOKIA* PTSUNNY 84 76 76 NE5 30.02F HX 93 TC 29
SPARTA* MOSUNNY 97 68 38 SE6 30.04S HX 101 TC 36
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* SUNNY 93 78 60 CALM 30.04S HX 108 TC 34
EFFINGHAM* SUNNY 91 75 59 SE7 30.05F HX 101 TC 33
MARION MOSUNNY 93 73 52 NE5 30.04F HX 102 TC 34
MT. VERNON MOSUNNY 94 73 50 SE3 30.04F HX 103 TC 34
CENTRALIA* MOSUNNY 85 69 58 CALM 30.04S HX 89 TC 30
SALEM* MOSUNNY 91 74 58 CALM 30.04F HX 100 TC 33
METROPOLIS* SUNNY 94 67 41 CALM 30.04S HX 98 TC 35
ILZ067-068-072-073-078-083-087-091-170000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 90 76 63 S6 30.04F HX 101 TC 32
FLORA* MOSUNNY 91 75 59 SE6 30.04F HX 102 TC 33
FAIRFIELD* SUNNY 91 74 56 CALM 30.04F HX 100 TC 33
HARRISBURG* PTSUNNY 94 71 48 CALM 30.04S HX 100 TC 34
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