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

Keystone Airpark (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Overcast

72°F

22°C

Humidity 94%
Wind Speed NE 10 mph
Barometer 30.09 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 3 Oct 10:35 pm EDT
Extended Forecast for

3 Miles W Keystone Heights FL

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 70. Northeast wind around 10 mph, with gusts as high as 17 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then a chance of showers after 9am.  Mostly cloudy, with a high near 84. Breezy, with an east wind 10 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 72. Northeast wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am.  Partly sunny, with a high near 84. East wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. East wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 2am.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 8am.  Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 70. Northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms, then a chance of showers after 9am. Mostly cloudy, with a high near 84. Breezy, with an east wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. Northeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 84. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East wind 7 to 10 mph, with gusts as high as 21 mph.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 71.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 71.
Wednesday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Keystone Heights FL
 29.78°N 82.08°W
7:56 pm EDT Oct 3, 2025
10pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
 
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Additional Resources

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