258
ASUS43 KLOT 190112
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT MON AUG 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.
ILZ001-002-007-009-015-016-024-190200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE TSTM 76 74 93 S12G29 29.95 VSB 1/2 TC 24
ILZ003-004-008-010-011-017-018-190200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 71 69 93 E6 30.00F TC 22
ROCHELLE* LGT RAIN 72 70 93 SE12 30.00F TC 22
DE KALB* TSTM 72 72 99 SW8 30.01R TC 22
PERU* LGT RAIN 74 73 97 NE10 29.99F TC 24
ILZ005-006-012>014-019>023-190200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE TSTM 74 71 91 S6 29.97S TC 23
CHICAGO-MIDWAY MOCLDY 75 71 87 SE8 29.97S THUNDER TC 24
AURORA TSTM 74 71 91 SW10 30.01R FOG TC 23
JOLIET* MOCLDY 76 74 91 CALM 29.97F TC 25
WAUKEGAN CLOUDY 76 72 87 NW3 29.98S TC 24
DUPAGE AIRPORT TSTM 74 72 93 W12 30.01R TC 23
KANKAKEE* MOCLDY 81 79 94 SE8 29.99F HX 89 TC 27
WHEELING RAIN 73 72 96 NE5 30.00R TC 23
MORRIS* CLOUDY 75 72 89 NW6 29.99R TC 24
ROMEOVILLE* PTCLDY 75 75 100 SE5 29.97F THUNDER TC 24
LANSING* CLOUDY 78 69 73 CALM 30.00S THUNDER HX 81
NORTHERLY ISL* N/A 73 69 87 SW6 N/A TC 23
LMZ740>746-190200-
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 76 140/ 12/ 14 1014.8R 3/ 5
WINTHROP HARBOR 74 74 300/ 2/ 6 N/A 2/ 5
WAUKEGAN HARBOR 75 76 40/ 2/ 6 N/A 2/ 5
WILMETTE BUOY 74 260/ 4/ 8 1017.8R 1/ 4
NORTHERLY ISL 73 210/ 4/ 20 N/A
CALUMET HARBOR 73 160/ 6/ 7 1015.1
BURNS HARBOR 73 350/ 8/ 12 1016.6R
MICHIGAN CITY 79 220/ 25/ 27 1014.1R
MICH CITY BUOY 76 76 240/ 17/ 25 1014.4R 1
ST. JOSEPH BUOY 78 75 100/ 14/ 21 1016.1F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-190200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 84 75 74 S5 29.96R HX 92 TC 29
GALESBURG* LGT RAIN 74 71 89 S9 29.99R TC 24
MACOMB* CLOUDY 78 68 72 N14 30.00R HX 80 TC 26
JACKSONVILLE* CLEAR 85 75 74 S3 29.96S HX 93 TC 29
PITTSFIELD* CLEAR 82 75 78 CALM 29.97F HX 89 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-190200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 83 76 79 S5 29.98S HX 92 TC 29
BLOOMINGTON CLEAR 82 77 84 S8 29.99F HX 90 TC 28
DECATUR CLEAR 85 78 80 SE7 30.00S HX 96 TC 29
PEORIA PTCLDY 86 77 74 SW5 29.95F HX 97 TC 30
LACON* MOCLDY 78 67 67 CALM 29.96S HX 80 TC 26
LINCOLN* CLEAR 83 77 81 S6 29.97F HX 93 TC 29
SPRINGFIELD CLEAR 84 75 74 S6 29.97S HX 92 TC 29
TAYLORVILLE CLEAR 84 77 79 S5 29.99S HX 94 TC 29
ILZ033-039-045-046-055>057-062-063-190200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 81 77 88 S7 30.02R HX 88 TC 27
DANVILLE* CLEAR 79 74 85 SE6 30.03S HX 82 TC 26
RANTOUL* CLEAR 82 78 87 S5 30.01S HX 90 TC 28
MATTOON CLEAR 82 75 79 SE5 30.01R HX 89 TC 28
PARIS* CLEAR 80 78 94 SE3 30.02S HX 85 TC 27
ILZ079-100>102-190200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 88 76 67 S5 29.94R HX 99 TC 31
CAHOKIA* CLEAR 88 75 65 W3 29.96R HX 97 TC 31
SPARTA* CLEAR 90 72 55 SE3 29.98R HX 96 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 84 75 74 S5 29.97S HX 92 TC 29
CAIRO* CLEAR 83 78 86 CALM 29.99S HX 93 TC 28
EFFINGHAM* CLEAR 83 78 84 E3 30.02R HX 92 TC 28
MARION CLEAR N/A N/A N/A CALM 30.00R
MT. VERNON CLEAR 81 76 84 E3 29.99R HX 87 TC 27
CENTRALIA* CLEAR 84 74 70 SE6 29.99R HX 91 TC 29
SALEM* CLEAR 88 73 61 E3 30.00R HX 95 TC 31
METROPOLIS* CLEAR 86 73 64 CALM 29.99S HX 93 TC 30
ILZ067-068-072-073-078-083-087-091-190200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 83 77 82 SE3 30.01R HX 92 TC 28
FLORA* CLEAR 82 77 83 SE5 30.00S HX 91 TC 28
FAIRFIELD* CLEAR 82 75 80 CALM 29.99S HX 88 TC 28
HARRISBURG* CLEAR 83 73 71 CALM 29.99S HX 90 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