Updated: 954 AM MDT MON OCT 5 2009

TODAY (6AM-5PM)

Max Temperature...........................58 degrees.
Precipitation (liq. eq. )...................0.03 inches.
Precipitation area .........................over 20% of the county expected.
Dewpoints.......................................36 to 40 Degrees.
Min RH (Relative Humidity).........57%.
Wind Speed....................................3 to 12 mph
Winds@3 PM..................................north at 11 mph
Spraying Conditions....................favorable
Sky Conditions..............................favorable.
RH < 50%........................................ for 0 hour
RH > 80%.........................................for 1 hour
Livestock Heat Stress..................NO-STRESS category at 3 PM.
No. of Hours Temp >=90 .............0 Hours

The high today (6am-5pm) in Sioux county, is expected to be near 58 degrees. Precipitation (liq. eq.) totals of 0.03 inches over 20% of the county are expected. Temperature will range from near 49 to near 53 degrees. Dewpoints will range from 36 to 40 degrees. These dewpoints will combine with today (6am-5pm)'s temperatures resulting in relative humidity minimum of 57%. Skies will be favorable. Wind speed will range from 3 to 12 mph during the period. Winds at 3 PM will be out of the north at 11 mph, which is favorable spraying conditions in rain-free areas. Livestock heat stress index will be in the NO-STRESS category at 3 PM. Relative humidity will be less than 50% for 0 hour and greater than 80% for 1 hour

TONIGHT (6PM-5AM)

Min Temperature...........................34 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................27 to 36 Degrees.
Max RH (Relative Humidity)........85%.
Wind Speed....................................10 to 17 mph
Winds@3 AM..................................northwest at 12 mph
Spraying Conditions....................favorable
Sky Conditions @12 AM .............mostly cloudy.
Sky Conditions @3 AM ...............mostly cloudy.
RH < 50%........................................ for 0 hour
RH > 80%.........................................for 7 hours
No. of Hours Temp >=90 .............0 Hours

The low tonight (6pm-5am) in Sioux county, is expected to be around 34 degrees. No rainfall is expected. Temperature will range from near 31 to near 49 degrees. Dewpoints will range from 27 to 36 degrees. These dewpoints will combine with tonight (6pm-5am)'s temperatures resulting in relative humidity maximum of 85%. Skies will be mostly cloudy at 12 AM and mostly cloudy at 3 AM. Wind speed will range from 10 to 17 mph during the period. Winds at 3 AM will be out of the northwest at 12 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...........................53 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................26 to 27 Degrees.
Min RH (Relative Humidity).........38%.
Wind Speed....................................9 to 18 mph
Winds@3 PM..................................northwest at 16 mph
Spraying Conditions....................unfavorable
Sky Conditions @9 AM ...............mostly cloudy.
Sky Conditions @3 PM ...............partly sunny.
RH < 50%........................................ for 7 hours
RH > 80%.........................................for 0 hour
Livestock Heat Stress..................NO-STRESS category at 3 PM.
No. of Hours Temp >=90 .............0 Hours

The high tomorrow (6am-5pm) in Sioux county, is expected to be near 53 degrees. No rainfall is expected. Temperature will range from near 31 to near 52 degrees. Dewpoints will range from 26 to 27 degrees. These dewpoints will combine with tomorrow (6am-5pm)'s temperatures resulting in relative humidity minimum of 38%. Skies will be mostly cloudy at 9 AM and partly sunny at 3 PM. Wind speed will range from 9 to 18 mph during the period. Winds at 3 PM will be out of the northwest at 16 mph, which is unfavorable spraying conditions in rain-free areas. Livestock heat stress index will be in the NO-STRESS category at 3 PM. Relative humidity will be less than 50% for 7 hours and greater than 80% for 0 hour

TOMORROW NIGHT (6PM-5AM)

Min Temperature...........................31 degrees.
Precipitation (liq. eq. )...................0.00 inches (No rainfall).
Precipitation area .........................0% of the county expected.
Dewpoints.......................................26 to 27 Degrees.
Max RH (Relative Humidity)........88%.
Wind Speed....................................5 to 9 mph
Winds@3 AM..................................southwest at 5 mph
Spraying Conditions....................favorable
Sky Conditions @12 AM .............clear.
Sky Conditions @3 AM ...............clear.
RH < 50%........................................ for 0 hour
RH > 80%.........................................for 5 hours
No. of Hours Temp >=90 .............0 Hours

The low tomorrow night (6pm-5am) in Sioux county, is expected to be around 31 degrees. No rainfall is expected. Temperature will range from near 29 to near 47 degrees. Dewpoints will range from 26 to 27 degrees. These dewpoints will combine with tomorrow night (6pm-5am)'s temperatures resulting in relative humidity maximum of 88%. Skies will be clear at 12 AM and clear at 3 AM. Wind speed will range from 5 to 9 mph during the period. Winds at 3 AM will be out of the southwest at 5 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 5 hours

72 HOUR SUMMARY

The temperature is expected to be in the range from 24 degrees and 65 degrees. Dewpoints will range from 26 to 40 degrees. Total Rainfall is expected to be 0.00 - 0.03 inches.