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Plan your trip Local Radar Detailed Forecast

Today: Partly cloudy then becoming mostly cloudy in the afternoon. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 50 %. Heat index readings 99 to 103.

Tonight: Partly cloudy with a 50 % chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Northwest winds 5 mph.

Hazardous Weather Outlook: scattered thunderstorms will develop over the area today as a cold front moves toward the area. a few storms may become strong and produce strong gusty winds, frequent lightning strikes and heavy downpours.

Heat index will reach near 105 degrees this afternoon in a few locations. 

Forecast Details: Water vapor imagery shows shortwave trough moving into the southeast U.S. with strong subsidence now over north/central Georgia and deeper moisture over the forecast area. Satellite derived precipitable waters are around 2 inches but JAX 12 soundings have precipitable water of 2.25 inches. Cold front just north of forecast area will push into the area during the day coinciding with daytime heating, maximum instability and sea breeze to produce good chance for storm activity. Morning soundings indicate convective available potential energy in 3000 to 4000 j/kg range which is higher than models prognosticated. Thus a few storms may produce strong gusty winds. Best coverage is expected along state line and I-10 corridor south to Gainesville area.

Today's Pollen Levels: 8.4 Medium High (on a scale to 12); Predominate Pollen: Ragweed, Grass and Chenopods.

For additional information visit the National Weather Service in Jacksonville website on the internet at http://www.srh.noaa.gov/jax/