FNUS73 KUNR 092016 FWSUNR SPOT FORECAST FOR MT. RUSHMORE NATIONAL WEATHER SERVICE RAPID CITY SD 216 PM MDT WED JUN 9 2010 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. ...SCATTERED SHOWERS AND THUNDERSTORMS TONIGHT INTO THURSDAY MORNING... DISCUSSION...SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ACROSS THE AREA TONIGHT INTO THURSDAY MORNING. SOUTHERLY WINDS WILL SWITCH TO THE WEST-SOUTHWEST LATE TONIGHT AHEAD OF A COLD FRONT. THE COLD FRONT WILL CROSS THE AREA EARLY THURSDAY MORNING...SWITCHING WINDS TO THE NORTH-NORTHWEST. RELATIVE HUMIDITIES WILL BE HIGH TONIGHT INTO EARLY THURSDAY. FOR PLANNED IGNITION TIME OF 400 MDT 6/10/10 FOR TONIGHT SKY / WEATHER.......MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....53-55 RH..................MAX 93-100% WIND (20 FT).........SOUTH 5 TO 10 MPH...BECOMING WEST-SOUTHWEST 6 TO 12 MPH AFTER 300 AM. CWR....................20% LAL..................3 HAINES INDEX........2 MIXING HEIGHT....... .LESS THAN 500 FT MIXING WINDS.........SOUTH-SOUTHWEST 10 TO 15 MPH SMOKE DISPERSAL.....POOR FOR THURSDAY SKY / WEATHER.......MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY...ESPECIALLY IN THE AFTERNOON. MAX TEMPERATURE.....69-71 RH..................MIN 55-60% WIND (20 FT).........WEST-SOUTHWEST 6 TO 12 MPH EARLY...BECOMING NORTH-NORTHWEST 10 TO 15 MPH AFTER 800 AM. CWR....................40% LAL..................3 IN THE MORNING...4 IN THE AFTERNOON HAINES INDEX........2 MIXING HEIGHT....... .LESS THAN 500 FT EARLY...INCREASING TO NEAR 2000 FT EARLY IN THE AFTERNOON. MIXING WINDS.........NORTH-NORTHWEST 15 TO 20 MPH SMOKE DISPERSAL.....POOR FORECASTER...ST $$ REQUESTED BY...BRUCE BENNETT REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, U