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.

Overcast

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 12 Jul 5:15 am EDT
Extended Forecast for

2 Miles WNW Hampton FL

Heat Advisory July 12, 11:00am until July 12, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Showers and thunderstorms likely, mainly between 2pm and 3pm. Partly sunny and hot, with a high near 96. Heat index values as high as 106. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 74. Southwest wind 5 to 9 mph becoming calm after midnight.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 3pm and 5pm. Increasing clouds, with a high near 93. Heat index values as high as 103. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    T-storms
    Likely

  • Monday Night

    Monday 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. West wind 5 to 9 mph becoming light southwest after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms

  • Tuesday Night

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

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 2pm and 3pm. Partly sunny and hot, with a high near 96. Heat index values as high as 106. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 74. Southwest wind 5 to 9 mph becoming calm after midnight.
Monday
Showers and thunderstorms likely, mainly between 3pm and 5pm. Increasing clouds, with a high near 93. Heat index values as high as 103. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday 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. West wind 5 to 9 mph becoming light southwest after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Hampton FL
 29.88°N 82.17°W
Last Update:
2:21 am EDT Jul 12, 2026
Forecast Valid:
5am EDT Jul 12, 2026-6pm EDT Jul 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation