Today is forecast to be nearly the same temperature as yesterday.
Nowcast as of 4:40 am CDT on July 12, 2009
Now
At 435 am...scattered showers were beginning to the develop across western Benton County in the far northwest corner of Arkansas. Other showers were moving south across southwest Missouri toward northwest Arkansas. Through 545 am CDT...scattered showers will move south across the northwest corner of Arkansas at 25 miles an hour. A brief period of heavy rain can be expected with the stronger showers. Rainfall amounts of less than a tenth of an inch can be expected due to the short duration of the showers.
Forecast for Washington
Updated: 3:40 am CDT on July 12, 2009
Heat advisory in effect until 7 PM CDT Tuesday...
Today
Partly cloudy. Highs in the upper 90s. Southwest winds around 10 mph. Heat index readings 100 to 104 in the afternoon.
Mostly clear with a 20 percent chance of showers and thunderstorms. Lows in the lower 70s. South winds 10 to 15 mph. Heat index readings 100 to 102 in the evening.
Monday
Mostly sunny. Slight chance of showers and thunderstorms in the morning...then chance of showers and thunderstorms in the afternoon. Highs around 100. Southwest winds 10 to 15 mph. Chance of precipitation 30 percent. Heat index readings 100 to 110 in the afternoon.
... Heat advisory remains in effect until 7 PM CDT Tuesday...
For the following counties...
In Arkansas... Benton... Carroll... Washington and Madison.
Hot and humid conditions are expected across northwest Arkansas for the next several days as high pressure aloft builds across the area. Heat index values each afternoon are expected to be around 105 degrees. Overnight lows in the 70s will offer little relief from the heat. There may be some relief in the form of isolated showers and thunderstorms tonight and Monday as a weak boundary moves into the area.
Precautionary/preparedness actions...
A heat advisory means that a period of hot temperatures is expected. The combination of hot temperatures and high humidity will combine to create a situation in which heat illnesses are possible. Drink plenty of fluids... stay in an air-conditioned room... stay out of the sun... and check up on relatives and neighbors.