Updated: 1107 AM EST THU NOV 12 2009

TODAY (6AM-5PM)

Max Temperature...........................0 degrees.
Precipitation (liq. eq. )...................0.10-0.26 inches.
Precipitation area .........................over % of the county expected.
Dewpoints.......................................near 37 Degrees.
Min RH (Relative Humidity).........68%.
Wind Speed..........near 17 mph
Winds@4 .................................. at mph
Spraying Conditions....................favorable
Skies will be .
RH < 50%........................................ for 0 hour
RH > 80%.........................................for 0 hour
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The high today (6am-5pm) in Loudoun county, is expected to be near 0 degrees. Precipitation (liq. eq.) totals of 0.10-0.26 inches over % of the county are expected. Temperature will be near 47 degrees. Dewpoints will be near 37 degrees. These dewpoints will combine with today (6am- 5pm)'s temperatures resulting in relative humidity minimum of 68 minimum of 68%. Skies will be . Wind speed will be near 17 mph during the period. Winds at 4 will be out of the at mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 0 hour and greater than 80% for 0 hour

TONIGHT (6PM-5AM)

Min Temperature...........................0 degrees.
Precipitation (liq. eq. )...................0.08-0.27 inches.
Precipitation area .........................over % of the county expected.
Dewpoints.......................................near 37 Degrees.
Max RH (Relative Humidity)........68%.
Wind Speed..........near 17 mph
Winds@4 .................................. at mph
Spraying Conditions....................favorable
Sky Conditions
Sky Conditions
RH < 50%........................................ for 0 hour
RH > 80%.........................................for 4 hours
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The low tonight (6pm-5am) in Loudoun county, is expected to be around 0 degrees. Precipitation (liq. eq.) totals of 0.08-0.27 inches over % of the county are expected. Temperature will be near 47 degrees. Dewpoints will be near 37 degrees. These dewpoints will combine with tonight (6pm-5am)'s temperatures resulting in relative humidity maximum of 68 maximum of 68%. Skies will be . Wind speed will be near 17 mph during the period. Winds at 4 will be out of the at mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 0 hour and greater than 80% for 4 hours

TOMORROW (6AM-5PM)

Max Temperature...........................0 degrees.
Precipitation (liq. eq. )...................0.07-0.14 inches.
Precipitation area .........................over % of the county expected.
Dewpoints.......................................near 37 Degrees.
Min RH (Relative Humidity).........68%.
Wind Speed..........near 17 mph
Winds@4 .................................. at mph
Spraying Conditions....................favorable

Sky Conditions
RH < 50%........................................ for 0 hour
RH > 80%.........................................for 6 hours
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The high tomorrow (6am-5pm) in Loudoun county, is expected to be near 0 degrees. Precipitation (liq. eq.) totals of 0.07-0.14 inches over % of the county are expected. Temperature will be near 47 degrees. Dewpoints will be near 37 degrees. These dewpoints will combine with tomorrow (6am-5pm)'s temperatures resulting in relative humidity minimum of 68 minimum of 68%. Skies will be . Wind speed will be near 17 mph during the period. Winds at 4 will be out of the at mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 0 hour and greater than 80% for 6 hours

TOMORROW NIGHT (6PM-5AM)

Min Temperature...........................0 degrees.
Precipitation (liq. eq. )...................0.08 inches.
Precipitation area .........................over % of the county expected.
Dewpoints.......................................near 37 Degrees.
Max RH (Relative Humidity)........68%.
Wind Speed..........near 17 mph
Winds@4 .................................. at mph
Spraying Conditions....................favorable

RH < 50%........................................ for 0 hour
RH > 80%.........................................for 8 hours
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The low tomorrow night (6pm-5am) in Loudoun county, is expected to be around 0 degrees. Precipitation (liq. eq.) totals of 0.08 inches over % of the county are expected. Temperature will be near 47 degrees. Dewpoints will be near 37 degrees. These dewpoints will combine with tomorrow night (6pm-5am)'s temperatures resulting in relative humidity maximum of 68 maximum of 68%. Skies will be . Wind speed will be near 17 mph during the period. Winds at 4 will be out of the at mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 0 hour and greater than 80% for 8 hours

72 HOUR SUMMARY

The temperature is expected to be in the range from 39 degrees and 62 degrees. Dewpoints will range from 36 to 50 degrees. Total Rainfall is expected to be 0.34 - 0.76 inches.