160
ASUS43 KLOT 170310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-170400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 73 66 78 NW3 30.00R TC 23
STERLING* CLEAR 72 66 81 N8 30.00R TC 22
SAVANNA* CLEAR 70 64 81 N7 30.01R TC 21
ILZ003-004-008-010-011-017-018-170400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 71 63 75 NW10 30.00S TC 22
FREEPORT* CLEAR 67 66 96 NW7 30.03R TC 20
ROCHELLE* PTCLDY 70 64 79 N8 29.99S TC 21
DE KALB* PTCLDY 71 66 84 N8 30.00S TC 22
PERU* PTCLDY 75 72 88 NW6 29.99R TC 24
ILZ005-006-012>014-019>023-170400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 77 66 68 NW12 29.95R TC 25
CHICAGO-MIDWAY CLOUDY 79 74 84 NW9 29.94S HX 82 TC 26
AURORA MOCLDY 72 68 87 N10 29.96S TC 22
JOLIET* MOCLDY 74 74 100 CALM 29.96F TC 23
WAUKEGAN CLOUDY 73 63 70 N8G18 29.97R TC 23
DUPAGE AIRPORT MOCLDY 75 67 76 NW8 29.96R TC 24
KANKAKEE* MOCLDY 76 74 94 W3 29.96S TC 25
WHEELING CLOUDY 76 65 68 N10G21 29.97R TC 24
ROMEOVILLE* CLOUDY 73 73 100 VRB5 29.96F TC 23
LANSING* LGT RAIN 75 72 88 N3 29.95R TC 24
NORTHERLY ISL* N/A 78 67 68 N14 N/A HX 80 TC 26
LMZ740>746-170400-
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 75 75 320/ 12/ 16 1014.6 1/ 3
WAUKEGAN HARBOR 75 74 310/ 14/ 19 1015.3 1/ 3
WILMETTE BUOY 76 30/ 10/ 14 1018.0R 1/ 2
CHICAGO BUOY 77 74 1013.2 1
HARRISON CRIB 79 360/ 19/ 22 N/A
NORTHERLY ISL 81 280/ 5/ 8 N/A
CALUMET HARBOR 77 220/ 4/ 6 1014.2S
MICHIGAN CITY 78 350/ 16/ 17 1012.2R
MICH CITY BUOY 75 74 10/ 12/ 16 N/A 1
ST. JOSEPH BUOY 76 74 310/ 10/ 12 1014.8R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 74 70 87 N9 30.02R TC 23
GALESBURG* MOCLDY 73 73 100 NW6 30.02R TC 23
MACOMB* MOCLDY 73 73 100 NW7 30.03R TC 23
JACKSONVILLE* MOCLDY 74 74 100 W3 29.99R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-170400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 74 100 W3 29.98R TC 24
BLOOMINGTON MOCLDY 76 76 100 NW8 30.00S TC 24
DECATUR MOCLDY 76 74 93 NW3 29.98S TC 24
PEORIA CLOUDY 75 73 93 CALM 29.98S TC 24
LACON* MOCLDY 76 72 86 NW3 29.97S TC 25
LINCOLN* CLOUDY 76 76 100 CALM 29.98S TC 25
SPRINGFIELD CLOUDY 75 74 96 CALM 29.99R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 73 73 100 W5 29.99R TC 23
RANTOUL* PTCLDY 73 73 98 W5 29.99R TC 23
MATTOON PTCLDY 75 71 87 W5 29.99R TC 24
ILZ079-100>102-170400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 75 73 94 VRB3 30.01R TC 24
BELLEVILLE MOCLDY 82 75 78 N10G17 29.96R HX 89 TC 28
CAHOKIA* TSTM 74 72 93 N22G38 29.99R FOG TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 87 77 73 S5 29.97R HX 98 TC 30
EFFINGHAM* PTCLDY 78 77 96 N3 30.00S HX 81 TC 26
MARION MOCLDY 84 75 76 S3 29.96R HX 92 TC 29
MT. VERNON CLEAR 79 75 87 CALM 29.98R HX 83 TC 26
CENTRALIA* PTCLDY 79 76 89 CALM 29.98R HX 83 TC 26
SALEM* N/A 81 78 91 MISG 29.99R HX 88 TC 27
METROPOLIS* CLEAR 81 81 98 CALM 29.98R HX 92 TC 27
ILZ067-068-072-073-078-083-087-091-170400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 80 77 90 N7 29.98R HX 87 TC 27
FLORA* MOCLDY 79 77 94 CALM 29.98R HX 83 TC 26
FAIRFIELD* PTCLDY 80 73 80 CALM 29.97R HX 84 TC 27
HARRISBURG* CLEAR 82 77 86 CALM 29.96R HX 89 TC 28
ROBINSON* MOCLDY 77 77 100 N3 29.98R TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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