739
ASUS43 KLOT 131810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT THU AUG 13 2026
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.
ILZ001-002-007-009-015-016-024-131900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 73 71 93 E16 29.84F TC 23
6HR MIN TEMP: 71; 6HR MAX TEMP: 73; 6HR PCP: 0.27;
STERLING* CLOUDY 72 72 100 E12 29.94F FOG TC 22
SAVANNA* LGT RAIN 73 72 96 E9 29.93F TC 23
ILZ003-004-008-010-011-017-018-131900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD TSTM 72 71 97 CALM 30.05R FOG TC 22
6HR MIN TEMP: 68; 6HR MAX TEMP: 74; 6HR PCP: 0.02;
FREEPORT* CLOUDY 72 71 96 E7 30.02F THUNDER VSB 1
ROCHELLE* RAIN 72 70 94 CALM 30.06R TC 22
DE KALB* LGT RAIN 71 71 100 W6 30.06R TC 22
PERU* RAIN 73 73 100 W7 30.06R TC 23
ILZ005-006-012>014-019>023-131900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 77 69 76 CALM 29.99R TC 25
6HR MIN TEMP: 72; 6HR MAX TEMP: 78;
CHICAGO-MIDWAY CLOUDY 77 71 82 CALM 29.99R TC 25
6HR MIN TEMP: 73; 6HR MAX TEMP: 77;
AURORA CLOUDY 73 71 93 W8 30.03R FOG TC 23
6HR MIN TEMP: 66; 6HR MAX TEMP: 75;
JOLIET* CLOUDY 76 73 91 CALM 30.00R TC 24
WAUKEGAN CLOUDY 74 70 87 E3 30.00R TC 23
6HR MIN TEMP: 67; 6HR MAX TEMP: 75;
DUPAGE AIRPORT PTSUNNY 75 71 87 W6 30.01R TC 24
6HR MIN TEMP: 69; 6HR MAX TEMP: 77; 6HR PCP: TRACE;
KANKAKEE* CLOUDY 79 73 81 NE3 29.98R HX 82 TC 26
WHEELING CLOUDY 75 70 84 VRB5 30.01R TC 24
6HR MIN TEMP: 68; 6HR MAX TEMP: 77;
NORTHERLY ISL* N/A 73 69 87 N2 N/A TC 23
LMZ740>746-131900-
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)
WINTHROP HARBOR 74 74 60/ 2/ 4 1015.7 1
WAUKEGAN HARBOR 74 74 170/ 6/ 8 1016.6 1
WILMETTE BUOY 73 110/ 2/ 4 1019.2R 1
CHICAGO BUOY 74 73 1014.9 1/ 2
HARRISON CRIB 73 100/ 4/ 4 N/A
NORTHERLY ISL 74 80/ 4/ 6 N/A
CALUMET HARBOR 75 CALM / 1 1015.3
MICHIGAN CITY 75 100/ 3/ 4 1014.1R
MICH CITY BUOY 74 73 120/ 4/ 6 N/A 0
ST. JOSEPH BUOY 73 73 CALM 1016.8R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-131900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 79 72 79 NE10 29.91F HX 82 TC 26
GALESBURG* LGT RAIN 72 72 100 E13G22 29.92F TC 22
MACOMB* PTSUNNY 72 72 100 E7 29.93F TC 22
JACKSONVILLE* CLOUDY 85 78 80 NW8 29.91S HX 97 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-131900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 76 76 97 N6 29.99R TC 25
BLOOMINGTON RAIN 77 77 100 VRB5 29.94F FOG TC 25
DECATUR CLOUDY 86 76 71 S8 29.92S HX 96 TC 30
PEORIA TSTM 72 71 97 NE8 29.94F TC 22
6HR MIN TEMP: 71; 6HR MAX TEMP: 78; 6HR PCP: 0.54;
LACON* TSTM 73 70 92 N7 30.03R TC 23
LINCOLN* CLOUDY 82 78 87 CALM 29.94R THUNDER HX 92
SPRINGFIELD PTSUNNY 85 77 77 W3 29.91S HX 95 TC 29
6HR MIN TEMP: 72; 6HR MAX TEMP: 85;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-131900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 83 77 82 SE7 29.93F HX 92 TC 28
DANVILLE* CLOUDY 83 76 78 SE5 29.96S HX 92 TC 29
RANTOUL* CLOUDY 82 75 81 SE7 29.94F HX 88 TC 28
MATTOON PTSUNNY 86 75 69 SW9 29.93S HX 95 TC 30
PARIS* PTSUNNY 85 76 74 CALM 29.94F HX 94 TC 30
ILZ079-100>102-131900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 77 62 SW7 29.92F HX 105 TC 33
CAHOKIA* PTSUNNY 91 77 63 CALM 29.91F HX 104 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-131900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 91 79 66 S5 29.94R HX 107 TC 33
CAIRO* MOSUNNY 92 79 65 SW5 29.95S HX 109 TC 34
EFFINGHAM* PTSUNNY 88 81 79 SW7 29.94F HX 105 TC 31
MT. VERNON PTSUNNY 89 78 70 S9 29.94S HX 103 TC 32
CENTRALIA* PTSUNNY 91 79 68 CALM 29.93F HX 106 TC 33
SALEM* N/A 90 79 69 MISG 29.93S HX 106 TC 32
METROPOLIS* SUNNY 92 74 55 E5 29.96S HX 103 TC 34
ILZ067-068-072-073-078-083-087-091-131900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 90 74 59 VRB6 29.93R HX 99 TC 32
FLORA* PTSUNNY 91 77 62 SW8 29.93S HX 105 TC 33
FAIRFIELD* PTSUNNY 85 76 74 S9 29.94R HX 94 TC 30
HARRISBURG* CLOUDY 89 79 73 W5 29.94F HX 103 TC 31
ROBINSON* PTSUNNY 88 79 74 W7 29.93R HX 102 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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