621
ASUS43 KLOT 170103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT SAT AUG 16 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.
ILZ001-002-007-009-015-016-024-170200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 86 79 79 SW5 29.96S HX 99 TC 30
STERLING* PTCLDY 79 74 84 E15 30.03R HX 82 TC 26
ILZ003-004-008-010-011-017-018-170200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 69 93 E8 30.03F TC 22
ILZ005-006-012>014-019>023-170200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE TSTM 74 69 85 S8 30.03F TC 23
CHICAGO-MIDWAY TSTM 77 70 79 NE20G26 30.06R FOG TC 25
AURORA NOT AVBL
JOLIET* CLOUDY 78 72 83 NE18 30.08R TC 25
WAUKEGAN MOCLDY 76 71 85 SE6 29.99F TC 24
DUPAGE AIRPORT LGT RAIN 74 71 91 E8 30.04F TC 23
WHEELING TSTM 74 68 81 SW7 30.04F TC 23
MORRIS* CLOUDY 76 68 76 N5 30.07R TC 25
ROMEOVILLE* TSTM 77 75 94 N16G28 30.10R VSB 1 TC 25
LANSING* MOCLDY 78 71 78 N17G28 30.11R HX 81 TC 26
NORTHERLY ISL* N/A 70 66 87 NE18 N/A TC 21
LMZ740>746-170200-
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 76 76 110/ 12/ 14 1015.4F
WINTHROP HARBOR 77 75 120/ 14/ 19 N/A 3/ 4
WAUKEGAN HARBOR 77 76 150/ 8/ 12 N/A 2/ 4
WILMETTE BUOY 76 1019.8F 3/ 4
NORTHERLY ISL 76 320/ 17 N/A
CALUMET HARBOR 77 330/ 17/ 28 1017.4
BURNS HARBOR 79 360/ 16/ 20 1018.6R
MICHIGAN CITY 81 1015.5R
MICH CITY BUOY 79 78 340/ 21/ 31 1016.4R 1/ 2
ST. JOSEPH BUOY 78 77 310/ 25/ 33 1019.2R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-170200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 87 80 79 S3 30.01R HX 103 TC 31
GALESBURG* PTCLDY 83 77 81 S5 30.00S HX 93 TC 29
MACOMB* CLEAR 83 80 89 S5 30.02F HX 96 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-170200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 85 80 85 S9 30.03F HX 99 TC 29
DECATUR PTCLDY 88 77 69 CALM 30.04R HX 100 TC 31
PEORIA PTCLDY 88 77 69 S6 30.00S HX 100 TC 31
LACON* PTCLDY 85 79 82 CALM 29.99R HX 96 TC 29
LINCOLN* MOCLDY 83 72 69 S5 30.03R HX 87 TC 28
SPRINGFIELD MOCLDY 83 76 79 CALM 30.02R HX 91 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 80 73 79 E14G23 30.06S HX 84 TC 27
RANTOUL* MOCLDY 77 68 73 S8G20 30.04F TC 25
MATTOON PTCLDY 84 74 71 CALM 30.04R HX 91 TC 29
ILZ079-100>102-170200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 77 75 94 VRB3 30.03R TC 25
CAHOKIA* MOCLDY 80 76 87 CALM 30.01R HX 86 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 83 77 82 CALM 30.01S HX 92 TC 28
CAIRO* CLEAR 84 80 87 CALM 30.01F HX 98 TC 29
EFFINGHAM* PTCLDY 82 79 90 CALM 30.06R HX 93 TC 28
MARION CLEAR 84 70 63 CALM 30.03R HX 88 TC 29
MT. VERNON PTCLDY 81 76 84 CALM 30.04R HX 87 TC 27
CENTRALIA* PTCLDY 80 73 80 CALM 30.04R HX 84 TC 27
SALEM* PTCLDY 82 76 83 CALM 30.04R HX 89 TC 28
METROPOLIS* CLEAR 85 73 67 CALM 30.02S HX 91 TC 29
ILZ067-068-072-073-078-083-087-091-170200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 83 78 85 SE5 30.04R HX 93 TC 28
FLORA* PTCLDY 84 79 84 CALM 30.05R HX 96 TC 29
FAIRFIELD* CLEAR 80 76 86 CALM 30.04R HX 86 TC 27
HARRISBURG* CLEAR 84 75 74 CALM 30.03R HX 92 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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