Extreme and Dangerous Heat this Week - Updated Briefing

A heat wave continues across the southeast, with dangerous heat continuing throughout our region this week. It only takes minutes for the cabin of a vehicle to become deadly! Look before you Lock and Stay Cool! Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 30, 11:00 AM EDT until July 30, 06:00 PM EDT

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Thunderstorm

82°F

28°C

Humidity	77%
Wind Speed	SW 7 mph
Barometer	29.99 in (1015.5 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	29 Jul 7:56 pm EDT

More Information:

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

Extended Forecast for

Callahan FL

Heat Advisory July 30, 11:00am until July 30, 06:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 76 °F
Slight Chance
T-storms then
Mostly Clear
Wednesday
High: 97 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 76 °F
Chance
T-storms then
Mostly Clear
Thursday
High: 97 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 77 °F
Chance
T-storms then
Mostly Clear
Friday
High: 98 °F
Sunny then
Chance
T-storms
Friday Night
Low: 77 °F
Chance
T-storms
Saturday
High: 96 °F
Slight Chance
T-storms then
T-storms
Saturday Night
Low: 75 °F
T-storms then
Showers
Likely

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 76. Calm wind.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming southwest around 6 mph in the afternoon.

Wednesday Night

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

Thursday

A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Heat index values as high as 110. Southwest wind 3 to 6 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. Southwest wind around 5 mph.

Friday

A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.

Saturday

Showers and thunderstorms, mainly after 2pm. High near 96. Chance of precipitation is 80%.

Saturday Night

Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Low around 75. Chance of precipitation is 80%.

Sunday

A slight chance of showers, then showers and thunderstorms after 8am. High near 91. Chance of precipitation is 90%.

Sunday Night

Showers and thunderstorms. Low around 74. Chance of precipitation is 80%.

Monday

Showers and thunderstorms. High near 90. Chance of precipitation is 80%.

Monday Night

Showers and thunderstorms. Low around 74. Chance of precipitation is 80%.

Tuesday

Showers and thunderstorms likely. Mostly sunny, with a high near 92. Chance of precipitation is 70%.