Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Schaffner Lake Number 1, IL Regional Weather
Expires:202608100700;;921639
ASUS43 KLOT 100610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT MON AUG 10 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.
ILZ079-100>102-100700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 81 73 78 S9 29.96S HX 85 TC 27
CAHOKIA* PTCLDY 80 73 79 CALM 29.95F HX 84 TC 27
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SKY/WX - Weather TMP - Temperature DP - Dew Point RH - Humidity WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph