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 until August 20, 07:00 PM EDT

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Partly Cloudy

91°F

33°C

Humidity	57%
Wind Speed	Vrbl 3 mph
Barometer	30.01 in (1016.4 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	20 Aug 12:56 pm EDT

More Information:

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

Extended Forecast for

5 Miles WSW Yulee FL

Heat Advisory August 20, 01:33pm until August 20, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 20, 01:33pm until August 20, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
This Afternoon
High: 97 °F
T-storms
Likely
Tonight
Low: 75 °F
Chance
T-storms then
Mostly Clear
Friday
High: 95 °F
Sunny then
Chance
T-storms
Friday Night
Low: 74 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 92 °F
Mostly Sunny
then T-storms
Likely
Saturday Night
Low: 74 °F
T-storms
Likely then
Chance
Showers
Sunday
High: 93 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 74 °F
Slight Chance
T-storms then
Mostly Clear

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South wind 3 to 7 mph.

Friday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the afternoon.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74. Southwest wind 3 to 5 mph.

Saturday

Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Southwest wind 3 to 7 mph. Chance of precipitation is 70%.

Saturday 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%.

Sunday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

Sunday Night

A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.

Monday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

Monday Night

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

Tuesday

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

Tuesday Night

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