Updated: 1257 PM EST THU NOV 12 2009

TONIGHT (6PM-5AM)

Min Temperature...........................0 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................near 48 Degrees.
Max RH (Relative Humidity)........74%.
Wind Speed..........near 4 mph
Winds@4 ..................................north at 8 mph
Spraying Conditions....................favorable
Sky Conditions @4 .............partly cloudy.
Sky Conditions @4 ...............partly cloudy.
RH < 50%........................................ for 0 hour
RH > 80%.........................................for 7 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 Cook county, is expected to be near 0 degrees. No rainfall is expected. Temperature will be near 56 degrees. Dewpoints will be near 48 degrees. These dewpoints will combine with tonight (6pm-5am)'s temperatures resulting in relative humidity maximum of 74 maximum of 74%. Skies will be partly cloudy at 4 and partly cloudy at 4 . Wind speed will be near 4 mph during the period. Winds at 4 will be out of the north at 8 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 7 hours

TOMORROW (6AM-5PM)

Max Temperature...........................0 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................near 46 Degrees.
Min RH (Relative Humidity).........50%.
Wind Speed..........near 8 mph
Winds@4 ..................................north at 8 mph
Spraying Conditions....................favorable
Sky Conditions @4 .............partly cloudy.
Sky Conditions @4 ...............partly cloudy.
RH < 50%........................................ for 4 hours
RH > 80%.........................................for 5 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 Cook county, is expected to be around 0 degrees. No rainfall is expected. Temperature will be near 65 degrees. Dewpoints will be near 46 degrees. These dewpoints will combine with tomorrow (6am-5pm)'s temperatures resulting in relative humidity minimum of 50 minimum of 50%. Skies will be partly cloudy at 4 and partly cloudy at 4 . Wind speed will be near 8 mph during the period. Winds at 4 will be out of the north at 8 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 4 hours and greater than 80% for 5 hours

TOMORROW NIGHT (6PM-5AM)

Min Temperature...........................0 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................near 46 Degrees.
Max RH (Relative Humidity)........50%.
Wind Speed..........near 8 mph
Winds@4 ..................................north at 8 mph
Spraying Conditions....................favorable
Sky Conditions @4 .............partly cloudy.
Sky Conditions @4 ...............partly cloudy.
RH < 50%........................................ for 1 hour
RH > 80%.........................................for 7 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 Cook county, is expected to be near 0 degrees. No rainfall is expected. Temperature will be near 65 degrees. Dewpoints will be near 46 degrees. These dewpoints will combine with tomorrow night (6pm-5am)'s temperatures resulting in relative humidity maximum of 50 maximum of 50%. Skies will be partly cloudy at 4 and partly cloudy at 4 . Wind speed will be near 8 mph during the period. Winds at 4 will be out of the north at 8 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 1 hour and greater than 80% for 7 hours

DAY-AFTER-TOMORROW (6AM-5PM)

Max Temperature...........................0 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................near 46 Degrees.
Min RH (Relative Humidity).........50%.
Wind Speed..........near 8 mph
Winds@4 ..................................north at 8 mph
Spraying Conditions....................favorable
Sky Conditions @4 .............partly cloudy.
Sky Conditions @4 ...............partly cloudy.
RH < 50%........................................ for 2 hours
RH > 80%.........................................for 5 hours
No. of Hours Temp <=32 .............0
No. of Hours Temp <= 20 .............0
No. of Hours Temp <= 0 ...............0

The high day-after-tomorrow (6am-5pm) in Cook county, is expected to be around 0 degrees. No rainfall is expected. Temperature will be near 65 degrees. Dewpoints will be near 46 degrees. These dewpoints will combine with day-after-tomorrow (6am-5pm)'s temperatures resulting in relative humidity minimum of 50 minimum of 50%. Skies will be partly cloudy at 4 and partly cloudy at 4 . Wind speed will be near 8 mph during the period. Winds at 4 will be out of the north at 8 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 2 hours and greater than 80% for 5 hours

72 HOUR SUMMARY

The temperature is expected to be in the range from 44 degrees and 77 degrees. Dewpoints will range from 43 to 50 degrees. No measurable precipitation is expected.