329
ASUS43 KLOT 201811
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT SUN JUL 20 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.
ILZ001-002-007-009-015-016-024-201900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 79 73 82 E6 29.96R HX 82 TC 26
6HR MIN TEMP: 72; 6HR MAX TEMP: 80; 6HR PCP: 0.01;
ILZ003-004-008-010-011-017-018-201900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 74 65 73 NE7 30.00F TC 23
6HR MIN TEMP: 69; 6HR MAX TEMP: 75; 6HR PCP: TRACE;
ROCHELLE* CLOUDY 76 68 76 E10 29.98F TC 24
DE KALB* CLOUDY 74 68 81 E9 30.01S TC 24
PERU* CLOUDY 74 73 94 E7 29.97S TC 24
ILZ005-006-012>014-019>023-201900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 74 66 76 N13 29.99S TC 23
6HR MIN TEMP: 69; 6HR MAX TEMP: 74; 6HR PCP: TRACE;
CHICAGO-MIDWAY PTSUNNY 77 66 68 NE9 29.99R TC 25
6HR MIN TEMP: 71; 6HR MAX TEMP: 77; 6HR PCP: 0.04;
AURORA PTSUNNY 77 68 73 E12 29.98F TC 25
6HR MIN TEMP: 69; 6HR MAX TEMP: 77; 6HR PCP: 0.12;
JOLIET* RAIN 72 71 96 CALM 29.99F TC 22
WAUKEGAN CLOUDY 71 63 75 N10 30.01S TC 22
6HR MIN TEMP: 68; 6HR MAX TEMP: 71;
DUPAGE AIRPORT PTSUNNY 75 66 73 E10 29.99F TC 24
6HR MIN TEMP: 69; 6HR MAX TEMP: 76; 6HR PCP: 0.07;
KANKAKEE* CLOUDY 75 73 94 NE7 29.99S TC 24
WHEELING CLOUDY 72 65 78 NE13 30.02F TC 22
6HR MIN TEMP: 68; 6HR MAX TEMP: 72; 6HR PCP: 0.03;
MORRIS* CLOUDY 71 70 95 E8 29.98S TC 22
ROMEOVILLE* PTSUNNY 72 72 100 NE9 30.00S TC 22
LANSING* CLOUDY 72 71 97 CALM 30.00R TC 22
NORTHERLY ISL* N/A 74 67 78 N10 N/A TC 23
LMZ740>746-201900-
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 67 69 20/ 12/ 14 1015.8S 3/ 5
WINTHROP HARBOR 67 69 320/ 10/ 14 N/A 2/ 3
WAUKEGAN HARBOR 68 69 320/ 12/ 16 N/A 2/ 4
WILMETTE BUOY 69 30/ 12/ 16 1018.1R 3/ 5
CHICAGO BUOY 71 71 360/ 12/ 14 1016.2 2/ 3
HARRISON CRIB 76 10/ 14/ 15 N/A
NORTHERLY ISL 72 10/ 7/ 10 N/A
CALUMET HARBOR 72 350/ 8/ 12 1014.8
BURNS HARBOR 72 20/ 6/ 7 1016.3S
MICHIGAN CITY 73 360/ 11/ 12 1013.8R
MICH CITY BUOY 73 75 360/ 10/ 12 1013.9R 3/ 5
ST. JOSEPH BUOY 73 75 330/ 10/ 14 1016.0R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 79 76 90 S9 29.96R HX 83 TC 26
GALESBURG* PTSUNNY 81 71 71 CALM 29.97S HX 85 TC 27
MACOMB* PTSUNNY 81 73 78 CALM 29.99S HX 85 TC 27
JACKSONVILLE* PTSUNNY 81 78 91 SE6 29.95S HX 88 TC 27
PITTSFIELD* PTSUNNY 83 79 86 S3 29.97S HX 95 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-201900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 79 73 81 S3 29.97S HX 82 TC 26
BLOOMINGTON PTSUNNY 79 75 87 S9 29.98F HX 83 TC 26
DECATUR PTSUNNY 78 74 87 SE8 29.97F HX 81 TC 26
PEORIA PTSUNNY 80 75 84 S7 29.96R HX 85 TC 27
6HR MIN TEMP: 72; 6HR MAX TEMP: 80; 6HR PCP: 0.29;
LACON* PTSUNNY 78 72 79 SW5 29.96S HX 81 TC 26
LINCOLN* PTSUNNY 76 76 100 S5 29.97S TC 25
SPRINGFIELD PTSUNNY 80 77 90 S8 29.95F HX 87 TC 27
6HR MIN TEMP: 76; 6HR MAX TEMP: 80; 6HR PCP: 0.10;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 76 73 89 S7 29.98S TC 24
MATTOON PTSUNNY 82 72 71 SE10 29.98F HX 87 TC 28
ILZ079-100>102-201900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 88 77 70 VRB3 29.98S HX 100 TC 31
BELLEVILLE MOSUNNY 90 77 65 SW7 29.96S HX 103 TC 32
CAHOKIA* MOSUNNY 91 76 61 S7 29.96F HX 103 TC 33
SPARTA* PTSUNNY 93 73 53 W8 30.00S HX 101 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 90 77 66 SW8 29.99F HX 102 TC 32
CAIRO* MOSUNNY 89 80 73 SW7 30.02F HX 105 TC 32
EFFINGHAM* MOSUNNY 86 78 75 CALM 30.00F HX 98 TC 30
MARION MOSUNNY 90 77 66 SW9 30.00F HX 102 TC 32
MT. VERNON MOSUNNY 92 77 61 W8 29.99F HX 105 TC 33
CENTRALIA* MOSUNNY 90 77 66 S3 29.99F HX 102 TC 32
SALEM* MOSUNNY 90 76 64 CALM 29.99F HX 101 TC 32
METROPOLIS* PTSUNNY 89 75 64 CALM 30.03F HX 98 TC 31
ILZ067-068-072-073-078-083-087-091-201900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 91 78 65 NW10 29.99S HX 106 TC 33
FLORA* CLOUDY 90 77 66 W5 29.99F HX 102 TC 32
FAIRFIELD* MOSUNNY 88 75 65 W3 29.99S HX 97 TC 31
HARRISBURG* MOSUNNY 90 76 62 SW6 30.00F HX 101 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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