Current conditions at

Keystone Heights Airport (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Fair

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Aug 4:55 am EDT
Extended Forecast for

6 Miles ESE Starke FL

Heat Advisory August 16, 11:00am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 96. Heat index values as high as 110. Calm wind becoming west 5 to 8 mph in the morning.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 77. West wind around 6 mph becoming calm  after midnight.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Increasing clouds and hot, with a high near 97. Heat index values as high as 113. West wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 78. West wind 7 to 10 mph, with gusts as high as 16 mph.

    Low: 78 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 98. West wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely after 2pm.  Mostly sunny and hot, with a high near 97. Chance of precipitation is 70%.

    High: 97 °F

    Sunny then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely after 2pm.  Mostly sunny and hot, with a high near 97. Chance of precipitation is 60%.

    High: 97 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 110. Calm wind becoming west 5 to 8 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. West wind around 6 mph becoming calm after midnight.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 113. West wind 6 to 10 mph, with gusts as high as 17 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 78. West wind 7 to 10 mph, with gusts as high as 16 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. West wind 8 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly sunny and hot, with a high near 95. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Starke FL
 29.91°N 82.01°W
2:20 am EDT Aug 16, 2026
5am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
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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