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

91°F

33°C

Humidity 59%
Wind Speed Vrbl 3 G 15 mph
Barometer 30.10 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index102°F (39°C)
Last update 7 Jul 12:15 pm EDT
Extended Forecast for

Keystone Heights FL

Heat Advisory July 8, 11:00am until July 8, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Partly sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind around 10 mph, with gusts as high as 16 mph.

    High: 95 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 75. Southwest wind 3 to 8 mph.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 111. Southwest wind 3 to 7 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 5 to 7 mph becoming calm after midnight.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 98 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Partly sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind around 10 mph, with gusts as high as 16 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 75. Southwest wind 3 to 8 mph.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 111. Southwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 5 to 7 mph becoming calm after midnight.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76.
Friday
Sunny and hot, with a high near 99.
Friday Night
Partly cloudy, with a low around 77.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99.
Saturday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 94. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Keystone Heights FL
 29.78°N 82.03°W
Last Update:
12:16 pm EDT Jul 7, 2026
Forecast Valid:
12pm EDT Jul 7, 2026-6pm EDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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