Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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St. Louis Regional, IL Regional Weather
Expires:202608131300;;115360
ASUS43 KLOT 131201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT THU AUG 13 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>102-131300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 75 73 94 E5 29.88S TC 24
CAHOKIA* PTCLDY 76 74 93 CALM 29.88R THUNDER TC 24
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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