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.

Fog/Mist

66°F

19°C

Humidity 94%
Wind Speed SW 15 G 31 mph
Barometer 29.78 in
Dewpoint 64°F (18°C)
Visibility 5.00 mi
Last update 16 Mar 3:15 pm EDT
Extended Forecast for

3 Miles W Keystone Heights FL

Tornado Watch until March 16, 08:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until March 16, 08:00pm

    NOW until 8:00pm Mon

    Tornado Watch

  • This Afternoon

    High: 81 °F

    Showers and
    Windy

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Cloudy during the early evening, then gradual clearing, with a low around 36. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 58. North wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 58 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. North wind 3 to 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. Northeast wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 65 °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 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. High near 81. Windy, with a southwest wind around 23 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 36. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Increasing clouds, with a high near 58. North wind 8 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 37. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 65. Northeast wind 6 to 8 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Keystone Heights FL
 29.78°N 82.08°W
2:21 pm EDT Mar 16, 2026
3pm EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database