FNUS75 KSLC 181716 FWSSLC SPOT FORECAST FOR WASHA NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1116 AM MDT WED AUG 18 2010 .DISCUSSION...MOISTURE HAS RETURNED RAPIDLY BACK INTO NORTHERN UTAH OVERNIGHT BUT THE FIRE SITE IS AT THE NORTHERN PERIPHERY OF THE DEEP MOISTURE AND INSTABILITY FOR TODAY. HOWEVER...AS THE MAIN TROUGH AXIS THAT IS OVER WESTERN OREGON THIS MORNING MOVES ACROSS NORTHERN UTAH EARLY THURSDAY MORNING...SCATTERED SHOWERS AND THUNDERSTORMS SHOULD DEVELOP TONIGHT AND CONTINUE INTO THURSDAY MORNING. RELATIVE HUMIDITIES WILL REMAIN HIGH TONIGHT THROUGH MIDDAY THURSDAY BEFORE DRYING OUT RAPIDLY THURSDAY AFTERNOON. .TODAY... LAL...................2. HAINES INDEX..........5 ..MODERATE. CLEARING INDEX........1000+. SKY/WEATHER...........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER) THROUGH 1400 THEN BECOMING PARTLY CLOUDY (30-50 PERCENT CLOUD COVER) AFTER 1500. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.......91-93. MIN HUMIDITY..........12-14 PERCENT. WIND (20 FT)..........UPSLOPE WINDS 5 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON. .TONIGHT... LAL...................3. HAINES INDEX..........5 ..MODERATE. SKY/WEATHER...........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER). A CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.......60. MAX HUMIDITY..........48-55 PERCENT. WIND (20 FT)..........SOUTH WINDS 5-10 MPH. .OUTLOOK FOR THURSDAY... LAL...................2 UNTIL NOON...THEN 1. HAINES INDEX..........5 ..MODERATE. CLEARING INDEX........1000+. SKY/WEATHER...........BECOMING MOSTLY SUNNY (15-25 PERCENT CLOUD COVER). A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. MAX TEMPERATURE.......85-87. MIN HUMIDITY..........21-23 PERCENT. WIND (20 FT)..........NORTHWEST WINDS 5 MPH SHIFTING TO THE SOUTHWEST LATE IN THE AFTERNOON. FORECASTER...STRUTHWOLF REQUESTED BY...IC REASON FOR REQUEST...WILDFIRE .TAG 20100818.WASHA.01/SLC $$