389
ASUS43 KLOT 170010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CDT SUN AUG 16 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.
ILZ001-002-007-009-015-016-024-170100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 79 72 79 W7 29.97F HX 82 TC 26
6HR MIN TEMP: 78; 6HR MAX TEMP: 84; 6HR PCP: TRACE;
STERLING* MOCLDY 80 74 81 NW9 29.96S HX 85 TC 27
SAVANNA* MOCLDY 81 68 65 NW13G18 29.96F HX 83 TC 27
ILZ003-004-008-010-011-017-018-170100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 80 68 66 W8 29.95R HX 83 TC 27
6HR MIN TEMP: 80; 6HR MAX TEMP: 86;
FREEPORT* MOCLDY 79 71 76 NW10 29.98F HX 82 TC 26
ROCHELLE* MOCLDY 77 73 87 SW6 29.95F TC 25
DE KALB* MOCLDY 80 73 81 W6 29.96S HX 83 TC 26
PERU* MOCLDY 81 75 83 W6 29.95F HX 86 TC 27
ILZ005-006-012>014-019>023-170100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 83 71 67 NW9 29.90R HX 87 TC 28
6HR MIN TEMP: 79; 6HR MAX TEMP: 86; 6HR PCP: 0.03;
CHICAGO-MIDWAY MOCLDY 83 73 72 W13 29.90R HX 89 TC 28
6HR MIN TEMP: 79; 6HR MAX TEMP: 86; 6HR PCP: 0.12;
AURORA MOCLDY 80 75 84 W6 29.93R HX 85 TC 27
6HR MIN TEMP: 80; 6HR MAX TEMP: 84; 6HR PCP: TRACE;
JOLIET* MOCLDY 85 76 74 W6 29.93R HX 93 TC 29
WAUKEGAN PTCLDY 82 71 69 VRB7 29.90R HX 86 TC 28
6HR MIN TEMP: 81; 6HR MAX TEMP: 85;
DUPAGE AIRPORT MOCLDY 81 72 74 W7 29.92R HX 85 TC 27
6HR MIN TEMP: 81; 6HR MAX TEMP: 85;
KANKAKEE* MOCLDY 82 78 87 W7 29.93S HX 90 TC 28
WHEELING PTCLDY 84 71 65 NW9 29.92R HX 89 TC 29
6HR MIN TEMP: 83; 6HR MAX TEMP: 87;
LANSING* MOCLDY 82 74 74 NW5 29.91R HX 88 TC 28
NORTHERLY ISL* N/A 84 70 62 NW6 N/A HX 88 TC 29
LMZ740>746-170100-
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 80 75 310/ 10/ 14 1017.9 1/ 2
WAUKEGAN HARBOR 82 75 310/ 10/ 16 1013.8 0
WILMETTE BUOY 79 310/ 6/ 8 1016.5R 1
CHICAGO BUOY 77 74 1011.5 1/ 3
HARRISON CRIB 82 140/ 3/ 4 N/A
NORTHERLY ISL 84 290/ 7/ 8 N/A
CALUMET HARBOR 83 260/ 5/ 7 1012.5
MICHIGAN CITY 82 260/ 2/ 2 1010.3F
MICH CITY BUOY 80 74 260/ 2/ 4 N/A 0
ST. JOSEPH BUOY 76 75 180/ 2/ 2 1012.8F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 77 74 90 NW5 30.01S TC 25
GALESBURG* MOCLDY 78 75 91 NW8 30.00S HX 81 TC 26
MACOMB* MOCLDY 77 77 100 W7 30.02R TC 25
JACKSONVILLE* CLOUDY 79 79 100 NW5 29.99S HX 83 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-170100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 81 78 92 NW6 29.95S HX 89 TC 27
BLOOMINGTON CLOUDY 77 77 100 SW9 29.97F TC 25
DECATUR MOCLDY 78 74 87 W8 29.97S HX 81 TC 26
PEORIA CLOUDY 79 75 87 W10 29.97S HX 83 TC 26
6HR MIN TEMP: 79; 6HR MAX TEMP: 87; 6HR PCP: TRACE;
LACON* CLOUDY 81 73 78 W3 29.95S HX 85 TC 27
LINCOLN* CLOUDY 79 77 94 W3 29.98F HX 84 TC 26
SPRINGFIELD MOCLDY 79 76 90 NW5 29.98F HX 83 TC 26
6HR MIN TEMP: 73; 6HR MAX TEMP: 87; 6HR PCP: 0.19;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 76 74 93 W9 29.97R TC 24
RANTOUL* CLOUDY 75 73 91 W9 29.97R TC 24
MATTOON CLOUDY 80 74 81 W5 29.95F HX 85 TC 27
ILZ079-100>102-170100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 88 77 70 N7 29.96F HX 100 TC 31
BELLEVILLE CLEAR 89 80 75 CALM 29.92F HX 106 TC 32
CAHOKIA* CLEAR 90 77 65 CALM 29.94F HX 103 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 91 75 59 SE3 29.94F HX 102 TC 33
CAIRO* PTCLDY 93 82 68 CALM 29.95S HX 115 TC 34
EFFINGHAM* PTCLDY 83 80 92 CALM 29.97S HX 96 TC 28
MT. VERNON PTCLDY 92 75 57 SW5 29.95F HX 103 TC 33
CENTRALIA* CLEAR 90 75 61 CALM 29.95F HX 99 TC 32
SALEM* N/A 87 78 74 MISG 29.96F HX 100 TC 31
METROPOLIS* PTCLDY 93 79 64 CALM 29.96S HX 110 TC 34
ILZ067-068-072-073-078-083-087-091-170100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 86 78 77 SW5 29.94F HX 98 TC 30
FLORA* CLEAR 86 75 70 SW5 29.95F HX 95 TC 30
FAIRFIELD* CLEAR 87 74 63 CALM 29.95F HX 95 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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