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

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Partly Cloudy

97°F

36°C

Humidity	48%
Wind Speed	Vrbl 6 mph
Barometer	29.93 in (1013.4 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	109°F (43°C)
Last update	19 Aug 2:56 pm EDT

More Information:

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

Extended Forecast for

4 Miles SE Nassau Village-Ratliff FL

Heat Advisory August 20, 11:00am until August 20, 07:00pm

Heat Advisory August 19, 03:07pm until August 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 19, 03:07pm until August 19, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
This Afternoon
High: 98 °F
Chance
T-storms
Tonight
Low: 76 °F
Chance
T-storms then
Mostly Clear
Thursday
High: 97 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 75 °F
Chance
T-storms then
Mostly Clear
Friday
High: 94 °F
Mostly Sunny
then T-storms
Likely
Friday Night
Low: 74 °F
T-storms
Likely then
Chance
Showers
Saturday
High: 92 °F
Mostly Sunny
then T-storms
Likely
Saturday Night
Low: 74 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 110. Northwest wind around 6 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming southwest around 6 mph in the afternoon.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Southwest wind 5 to 7 mph becoming calm after midnight.

Friday

Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 94. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

Friday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 70%.

Saturday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

Sunday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74.

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.