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

Coastal Flood Warnings and Heavy Rainfall this Weekend - Updated Briefing

Coastal Flood Warnings have been issued through early next week along portions of the northeast Florida Atlantic coast and within the St. Johns River basin. Dangerous marine and surf conditions will continue, with heavy rainfall possible this weekend, which may exacerbate flooding at coastal locations. Please monitor this briefing for the latest updates this weekend and early next week. Read More >

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Mostly Cloudy

72°F

22°C

Humidity 91%
Wind Speed N 7 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 4 Oct 7:56 am EDT
Extended Forecast for

Callahan FL

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind 6 to 9 mph.

    Low: 71 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. East wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 73. East wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Breezy, with an east wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after 8am. Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind 6 to 9 mph.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. East wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 73. East wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Breezy, with an east wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers, mainly after 8am. Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 84.
Wednesday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 81. Breezy.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Callahan FL
 30.56°N 81.83°W
Last Update:
1:26 am EDT Oct 4, 2025
Forecast Valid:
8am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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