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

Hazardous Weather Conditions

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

3 Miles SE Waldo 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 9 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 7pm. Partly cloudy, with a low around 77. West wind 3 to 7 mph.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 112. West wind 5 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Cloudy during the early evening, then gradual clearing, with a low around 78. West wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. West wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 96 °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 96. Chance of precipitation is 70%.

    High: 96 °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 96. Chance of precipitation is 60%.

    High: 96 °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 9 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. West wind 3 to 7 mph.
Monday
A slight chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 112. West wind 5 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Cloudy during the early evening, then gradual clearing, with a low around 78. West wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. West wind 6 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 96. 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 96. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. 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. Partly sunny, with a high near 93. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Waldo FL
 29.76°N 82.13°W
Last Update:
2:20 am EDT Aug 16, 2026
Forecast Valid:
5am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

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