Extreme Heat Risk this Week

Extreme heat and little overnight relief will lead to an extreme risk for heat-related impacts through the rest of the week. Extreme Heat Warning in effect on Tuesday. Read More >

Current conditions at

Keystone Heights Airport (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

84°F

29°C

Humidity 79%
Wind Speed NW 7 mph
Barometer 30.03 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 20 Aug 9:15 am EDT
Extended Forecast for

3 Miles ESE Waldo FL

Heat Advisory August 20, 11:00am until August 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm.  Partly sunny and hot, with a high near 96. Heat index values as high as 111. Southwest wind 3 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm.  Increasing clouds, with a high near 94. Heat index values as high as 109. Calm wind becoming southwest 5 to 8 mph in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms likely after 11am.  Partly sunny, with a high near 92. Southwest wind 5 to 10 mph, with gusts as high as 17 mph.  Chance of precipitation is 60%.

    High: 92 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 92. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Partly sunny and hot, with a high near 96. Heat index values as high as 111. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 94. Heat index values as high as 109. Calm wind becoming southwest 5 to 8 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 92. Southwest wind 5 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 92. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 74.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Waldo FL
 29.79°N 82.13°W
2:36 am EDT Aug 20, 2026
9am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

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