Extreme Heat Risk this Week

Extreme heat and little overnight relief will lead to an extreme risk for heat-related impacts through the rest of the week. Extreme Heat Warning in effect on Tuesday. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 19, 11:00 AM EDT until August 19, 08:00 PM EDT

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Mostly Cloudy

76°F

24°C

Humidity	91%
Wind Speed	W 5 mph
Barometer	29.93 in (1013.5 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	19 Aug 4:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles NNW Jacksonville FL

Heat Advisory August 19, 11:00am until August 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 97 °F
Sunny then
T-storms
Likely
Tonight
Low: 77 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 97 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 78 °F
Chance
T-storms then
Mostly Clear
Friday
High: 96 °F
Sunny then
T-storms
Likely
Friday Night
Low: 76 °F
T-storms
Likely then
Chance
Showers
Saturday
High: 94 °F
Mostly Sunny
then T-storms
Likely
Saturday Night
Low: 75 °F
T-storms
Likely
Sunday
High: 93 °F
Slight Chance
T-storms then
Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly after 5pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 109. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 77. South wind 5 to 9 mph becoming light southwest after midnight.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 109. Light and variable wind becoming south around 6 mph in the afternoon.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 78. South wind 5 to 7 mph.

Friday

Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 96. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

Friday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 50%.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.