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.

Fog/Mist

77°F

25°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 29.82 in
Dewpoint 77°F (25°C)
Visibility 6.00 mi
Heat Index78°F (26°C)
Last update 29 Jul 6:15 am EDT
Extended Forecast for

2 Miles WNW Hampton FL

Extreme Heat Warning July 29, 11:00am until July 29, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. Partly sunny and hot, with a high near 96. Heat index values as high as 110. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 96 °F

    Mostly Sunny
    then Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 75. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Severe
    Thunderstorms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 94. Heat index values as high as 109. West wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 94 °F

    Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and thunderstorms after 11am. High near 94. West wind 5 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%.

    High: 94 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then a chance of showers. Low around 73. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms, mainly after 2pm. High near 93. Chance of precipitation is 80%.

    High: 93 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 73. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Chance
    T-storms

  • Sunday

    Sunday: Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms after 2pm. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Showers then
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. Partly sunny and hot, with a high near 96. Heat index values as high as 110. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 75. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 94. Heat index values as high as 109. West wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Friday
A chance of showers, then showers and thunderstorms after 11am. High near 94. West wind 5 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms before 11pm, then a chance of showers. Low around 73. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms, mainly after 2pm. High near 93. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 73. Chance of precipitation is 80%.
Sunday
Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms after 2pm. High near 89. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 72. Chance of precipitation is 80%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Monday Night
Mostly cloudy, with a low around 73.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Hampton FL
 29.86°N 82.18°W
Last Update:
2:21 am EDT Jul 29, 2026
Forecast Valid:
6am EDT Jul 29, 2026-6pm EDT Aug 4, 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