141
ASUS43 KLOT 150801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT SAT AUG 15 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.
ILZ001-002-007-009-015-016-024-150900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 73 72 96 SE9G21 30.03 TC 23
STERLING* CLOUDY 72 72 100 E7 30.08F FOG TC 22
SAVANNA* CLOUDY 72 68 89 E5 30.07F TC 22
ILZ003-004-008-010-011-017-018-150900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 65 84 CALM 30.10F TC 21
FREEPORT* CLOUDY 69 68 96 CALM 30.11S TC 21
DE KALB* CLOUDY 69 69 99 E5 30.10F TC 21
ILZ005-006-012>014-019>023-150900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 69 87 CALM 30.08S TC 23
CHICAGO-MIDWAY CLOUDY 74 70 87 SE6 30.08F TC 23
AURORA CLOUDY 71 69 93 CALM 30.10S TC 22
JOLIET* MOCLDY 73 73 98 CALM 30.10S TC 23
WAUKEGAN CLOUDY 74 68 81 E9 30.08F TC 23
DUPAGE AIRPORT CLOUDY 71 68 90 CALM 30.09F TC 22
KANKAKEE* MOCLDY 72 70 95 SE5 30.10F TC 22
WHEELING LGT RAIN 73 68 84 CALM 30.10S TC 23
ROMEOVILLE* CLOUDY 72 72 100 CALM 30.10S TC 22
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 72 69 90 S2 N/A TC 22
LMZ740>746-150900-
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 74 60/ 12/ 16 1018.1R 3/ 5
WILMETTE BUOY 74 110/ 10/ 16 1021.9R 3/ 5
CHICAGO BUOY 74 73 1018.0S 2/ 4
HARRISON CRIB 74 170/ 7/ 8 N/A
NORTHERLY ISL 73 140/ 3/ 8 N/A
CALUMET HARBOR 73 160/ 3/ 4 1019.3
MICHIGAN CITY 73 170/ 3/ 4 1017.5R
MICH CITY BUOY 73 73 180/ 6/ 10 N/A 2/ 4
ST. JOSEPH BUOY 74 75 90/ 6/ 10 1019.6F 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-150900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 76 73 91 N18G25 30.04R THUNDER TC 24
GALESBURG* RAIN 73 73 100 E6 30.05F TC 23
MACOMB* HVY RAIN 71 71 100 SE9 30.06S TC 22
JACKSONVILLE* CLOUDY 75 75 100 NE5 30.04R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-150900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 73 73 100 SE3 30.10S TC 23
BLOOMINGTON CLOUDY 72 72 100 S7 30.11F THUNDER FOG
DECATUR CLOUDY 74 72 93 SE5 30.08R TC 23
PEORIA TSTM 72 70 93 SW12G20 30.07R FOG TC 22
LINCOLN* CLOUDY 75 75 100 N10G16 30.08F TC 24
SPRINGFIELD CLOUDY 75 72 90 E10 30.05R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-150900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 73 72 96 E6 30.08F TC 23
MATTOON PTCLDY 75 71 87 SE7 30.06S TC 24
PARIS* PTCLDY 73 72 98 E5 30.08F TC 23
ILZ079-100>102-150900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 78 74 87 CALM 30.00S HX 81 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLEAR 78 78 99 CALM 30.06S HX 81 TC 26
MT. VERNON CLEAR 78 76 93 CALM 30.06R HX 81 TC 26
CENTRALIA* CLEAR 77 76 96 CALM 30.04F TC 25
SALEM* N/A 79 78 97 MISG 30.05S HX 82 TC 26
METROPOLIS* CLEAR 80 77 90 SE3 30.07R HX 85 TC 27
ILZ067-068-072-073-078-083-087-091-150900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 73 91 SE3 30.06F TC 24
FLORA* PTCLDY 75 N/A N/A SE3 30.06F TC 24
FAIRFIELD* CLEAR 77 75 94 CALM 30.06S TC 25
HARRISBURG* CLEAR 75 75 99 CALM 30.06S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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