
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 >
Hazardous Weather Conditions
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 Index | 94°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
Today
High: 96 °F
Mostly Sunny
then T-storms
LikelyTonight
Low: 74 °F
T-storms
Likely then
Slight Chance
T-stormsFriday
High: 94 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 74 °F
Chance
T-storms then
Slight Chance
ShowersSaturday

High: 92 °F
T-storms
LikelySaturday Night
Low: 74 °F
T-storms
Likely then
Slight Chance
ShowersSunday

High: 92 °F
Chance
T-stormsSunday Night

Low: 74 °F
Partly Cloudy
Monday
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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Waldo FL
29.79°N 82.13°W
29.79°N 82.13°W
2:36 am EDT Aug 20, 2026
9am EDT Aug 20, 2026-6pm EDT Aug 26, 2026



