NWS JAX Weather Impact Briefing

Isolated Strong and Severe Thunderstorms Expected This Afternoon & Evening Mainly Across Northeast FL and Coastal Southeast Georgia, and Scattered Severe Thunderstorms Possible on Monday For The Entire Area. Read More >

Current conditions at

Keystone Heights Airport (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Overcast

75°F

24°C

Humidity 78%
Wind Speed SE 18 G 32 mph
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 15 Mar 8:35 pm EDT
Extended Forecast for

6 Miles ESE Starke FL

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 64. South wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe.  High near 79. Windy, with a south wind 16 to 22 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Severe
    Thunderstorms
    and Windy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Some of the storms could be severe.  Cloudy during the early evening, then gradual clearing, with a low around 36. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Severe
    Thunderstorms
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. North wind around 10 mph, with gusts as high as 16 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. North wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 79. Windy, with a south wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Some of the storms could be severe. Cloudy during the early evening, then gradual clearing, with a low around 36. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 58. North wind around 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 36. North wind around 6 mph.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Starke FL
 29.91°N 82.01°W
7:32 pm EDT Mar 15, 2026
8pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
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Additional Resources

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