Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 170256
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 OBSTRUCTIONS 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
$$
ILZ003-004-008-010-011-017-018-170400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 71 63 75 NW10 30.00S TC 22
$$
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 NOT AVBL
AURORA PTCLDY 72 68 87 N10 29.96S TC 22
WAUKEGAN CLOUDY 73 63 70 N8G18 29.97R TC 23
DUPAGE AIRPORT MOCLDY 75 67 76 NW8 29.96R TC 24
WHEELING CLOUDY 76 65 68 N10G21 29.97R TC 24
NORTHERLY ISL* N/A 78 67 68 N14 N/A HX 80 TC 26
$$
LMZ740>746-170400-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 76 75 320/ 14/ 19 1014.5R 1/ 3
WAUKEGAN HARBOR 76 75 300/ 14/ 19 1015.4R 1/ 2
WILMETTE BUOY 76 40/ 8/ 12 1017.8R 1/ 2
CHICAGO BUOY 78 74 1013.1R 1
HARRISON CRIB 80 350/ 17/ 20 N/A
NORTHERLY ISL 81 280/ 5/ 8 N/A
CALUMET HARBOR 220/ 2/ 4 1014.0
MICHIGAN CITY 79 210/ 5/ 6 1011.6F
MICH CITY BUOY 76 74 360/ 14/ 17 N/A 0
ST. JOSEPH BUOY 75 74 270/ 10/ 14 1014.5R 0
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-170400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-170400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 75 74 96 CALM 29.99R TC 24
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-170400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-170400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 75 73 94 VRB3 30.01R TC 24
$$
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
$$
ILZ067-068-072-073-078-083-087-091-170400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$