FNUS75 KTFX 151244 FWSTFX SPOT FORECAST FOR COW CREEK...BLM LEWISTOWN DISPATCH NATIONAL WEATHER SERVICE GREAT FALLS MT 644 AM MDT SUN AUG 15 2010 FORECAST IS BASED ON REQUEST TIME OF 0630 MDT ON AUGUST 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE WILL BUILD OVER THE AREA TODAY AND MONDAY. THIS WILL WARM AND DRY THE AIRMASS. MINIMUM RELATIVE HUMIDITIES WILL DROP TO NEAR 30 PERCENT TODAY AND MID 20S MONDAY. WEAK AFTERNOON INSTABILITY WILL RETURN ON MONDAY BUT MOISTURE WILL BE SCARCE AND THUNDERSTORM ACTIVITY IS NOT EXPECTED. SURFACE HIGH PRESSURE WILL REMAIN OVER THE AREA AND SURFACE WINDS WILL GENERALLY BE LIGHT. .TODAY... SKY/WEATHER.........SUNNY. CWR.................0 PERCENT. MAX TEMPERATURE.....74-79. MIN HUMIDITY........28-33 PERCENT. WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH. UPR SLP/RIDGETOP...NORTHWEST AT 10 TO 15 MPH. MIXING HEIGHT.......9500 FT AGL. MIXING WINDS........NORTHWEST AROUND 10 MPH. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. CWR.................0 PERCENT. MIN TEMPERATURE.....50-55. MAX HUMIDITY........64-69 PERCENT. WIND (20 FT)........NORTHEAST WINDS UP TO 5 MPH IN THE EVENING BECOMING LIGHT. UPR SLP/RIDGETOP...NORTHWEST AT 10 MPH. MIXING HEIGHT.......500 FT AGL. MIXING WINDS........NORTHWEST AROUND 5 MPH. .MONDAY... SKY/WEATHER.........SUNNY. CWR.................0 PERCENT. MAX TEMPERATURE.....78-83. MIN HUMIDITY........22-27 PERCENT. WIND (20 FT)........LIGHT WINDS. UPR SLP/RIDGETOP...SOUTHWEST AT 5 TO 10 MPH. MIXING HEIGHT.......8500 FT AGL. MIXING WINDS........LIGHT WINDS. $$ FORECASTER...ZELZER REQUESTED BY...LEWISTOWN DISPATCH TYPE OF REQUEST...WILDFIRE .TAG 20100815.COWCR.01/TFX