NOAA/NATIONAL WEATHER SERVICESPACEFLIGHT METEOROLOGY GROUP / WS8LYNDON B. JOHNSON SPACE CENTERHOUSTON TX 770581100 PM CDT WEDNESDAY JULY 20 2011LANDING FORECAST FOR STS-135EXPECTED LANDING DATE: 07/21/11 TIME: 0957Z SITE: KENNEDY SPACE CENTER...FLU.S. LANDING SITES - EOM - THURSDAY 07/21/11 SHUTTLE LANDING FACILITY...KENNEDY SPACE CENTER FL FIRST OPPORTUNITY KSC FEW050 SCT250 7 24003P04 WIND LGT VRB SECOND OPPORTUNITY KSC FEW050 SCT250 7 26002P03 WIND LGT VRB EDWARDS AIR FORCE BASE CA EDW SKC 7 22007P11 NORTHRUP STRIP...WHITE SANDS SPACE HARBOR NM NOR FEW080 SCT250 7 12006P09 FLIGHT RULE VIOLATIONS: KSC ... NONE EDW ... NONE NOR ... NONEU.S. LANDING SITES - EOM+1 - FRIDAY 07/22/11 SHUTTLE LANDING FACILITY...KENNEDY SPACE CENTER FL KSC FEW030 SCT250 7 21002P03 EDWARDS AIR FORCE BASE CA EDW SKC 7 22007P11 NORTHRUP STRIP...WHITE SANDS SPACE HARBOR NM NOR SCT100 BKN250 7 13006P09 FLIGHT RULE VIOLATIONS: KSC ... NONE EDW ... NONE NOR ... NONETHE NEXT SCHEDULED FORECAST WILL BE ISSUED AS NEEDED KSC...KENNEDY SPACE CENTER...FL ICAO ID IS KTTS EDW...EDWARDS AIR FORCE BASE...CA ICAO ID IS KEDW NOR...NORTHRUP STRIP WHITE SANDS SPACE HARBOR...NM ICAO ID IS KE28 (KHMN IS NEARBY)HOETH/WILEY/HOOD
Noting the latest observation has temperature = dewpoint.From PAO commentary, air is described as "dry" so perhaps no real concern for fog this morning.