National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Mostly Cloudy

89°F

32°C

Humidity 72%
Wind Speed N 5 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 3 Aug 11:56 am EDT
Extended Forecast for

Callahan FL

Flood Watch August 3, 12:47pm until August 4, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 3, 12:47pm until August 4, 12:00am

    NOW until 12:00am Mon

    Flood Watch

  • This Afternoon

    High: 89 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 73. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Heavy Rain
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly after 2pm. High near 91. Heat index values as high as 102. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Chance
    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 74. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 74 °F

    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms after 11am. High near 92. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 92 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 11pm, then a chance of showers. Low around 74. Chance of precipitation is 80%.

    Low: 74 °F

    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly after 2pm. High near 92. Chance of precipitation is 80%.

    High: 92 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 2am, then a slight chance of showers. Low around 74. Chance of precipitation is 80%.

    Low: 74 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 89. Light and variable wind becoming northwest around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 73. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms, mainly after 2pm. High near 91. Heat index values as high as 102. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 74. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Tuesday
A chance of showers, then showers and thunderstorms after 11am. High near 92. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms before 11pm, then a chance of showers. Low around 74. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms, mainly after 2pm. High near 92. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms before 2am, then a slight chance of showers. Low around 74. Chance of precipitation is 80%.
Thursday
A slight chance of showers, then showers and thunderstorms after 8am. High near 90. Chance of precipitation is 90%.
Thursday Night
Showers and thunderstorms before 2am, then a slight chance of showers. Low around 73. Chance of precipitation is 80%.
Friday
Showers and thunderstorms. High near 90. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms. Low around 73. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms. High near 91. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Callahan FL
 30.56°N 81.83°W
Last Update:
12:32 pm EDT Aug 3, 2025
Forecast Valid:
12pm EDT Aug 3, 2025-6pm EDT Aug 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation