TODAY
The high today in Polk county, is expected to be near 49 degrees. No rainfall is expected. Dewpoints will range from 19 to 26 degrees. These dewpoints will combine with today's temperatures resulting in relative humidity minimum of 37%. Skies will be partly sunny at 9 AM and partly sunny at 3 PM. Wind speed will range from 3 to 6 mph during the period. Winds at 3 PM will be out of the north at 3 mph, which is favorable spraying conditions in rain-free areas. There will be 4 hours where the temperature will be lower than or equal to 32 degrees. Relative humidity will be less than 50% for 6 hours and greater than 80% for 0 hour.TONIGHT
The low tonight in Polk county, is expected to be around 34 degrees. Rainfall totals of .00 - .01 inches over 10% of the county are expected. Dewpoints will range from 26 to 30 degrees. These dewpoints will combine with tonight'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 1 to 5 mph during the period. Winds at 3 AM will be out of the southeast at 4 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 1 hour.TOMORROW
The high tomorrow in Polk county, is expected to be near 53 degrees. Rainfall totals of 0.28 inches over 80% of the county are expected. Dewpoints will range from 30 to 41 degrees. These dewpoints will combine with tomorrow's temperatures resulting in relative humidity minimum of 61%. Skies will be mostly cloudy at 9 AM and mostly cloudy at 3 PM. Wind speed will range from 5 to 8 mph during the period. Winds at 3 PM will be out of the south 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 4 hours.TOMORROW NIGHT
The low tomorrow night in Polk county, is expected to be around 43 degrees. Rainfall totals of 0.39 inches over 80% of the county are expected. Dewpoints will range from 41 to 44 degrees. These dewpoints will combine with tomorrow night's temperatures resulting in relative humidity maximum of 96%. Skies will be cloudy at 12 AM and cloudy at 3 AM. Wind speed will range from 6 to 9 mph during the period. Winds at 3 AM will be out of the south 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.