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 20, 11:00 AM EDT until August 20, 07:00 PM EDT

Current conditions at

Jacksonville Naval Air Station (KNIP)

Lat: 30.23°NLon: 81.67°WElev: 10ft.

Fair

77°F

25°C

Humidity	88%
Wind Speed	W 5 mph
Barometer	29.96 in (1014.2 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	20 Aug 3:53 am EDT

More Information:

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

Extended Forecast for

2 Miles NNW Green Cove Springs FL

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

Click here for hazard details and duration

Heat Advisory

Today
High: 98 °F
Mostly Sunny
then T-storms
Likely
Tonight
Low: 77 °F
T-storms
Likely then
Slight Chance
T-storms
Friday
High: 93 °F
Sunny then
T-storms
Likely
Friday Night
Low: 77 °F
Slight Chance
T-storms then
Slight Chance
Showers
Saturday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 77 °F
T-storms
Likely then
Slight Chance
Showers
Sunday
High: 91 °F
Chance
T-storms
Sunday Night
Low: 77 °F
Partly Cloudy
Monday
High: 93 °F
Sunny then
Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly after 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 113. West wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 77. South wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and thunderstorms likely, mainly between 3pm and 4pm. Increasing clouds, with a high near 93. Heat index values as high as 108. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 77. Southwest wind around 7 mph. Chance of precipitation is 20%.

Saturday

A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 91. Southwest wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.

Saturday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.

Sunday

A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 91. Chance of precipitation is 40%.

Sunday Night

Partly cloudy, with a low around 77.

Monday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

Monday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

Tuesday Night

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

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.