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Hazardous Weather Conditions

Current conditions at

Tallahassee International Airport (KTLH)

Lat: 30.4°NLon: 84.35°WElev: 83ft.

Fair

81°F

27°C

Humidity 91%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 17 Aug 3:53 am EDT
Extended Forecast for

3 Miles NNE Saint Marks FL

Extreme Heat Warning August 17, 11:00am until August 17, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 116. Light west wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 78. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 116. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 78. West southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

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

    Low: 77 °F

    Partly Cloudy

  • Thursday

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

    High: 99 °F

    Hot

  • Thursday Night

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

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 116. Light west wind becoming south southwest 5 to 10 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 78. West wind around 5 mph. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 116. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 78. West southwest wind around 5 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Partly cloudy, with a low around 77.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Saint Marks FL
 30.19°N 84.17°W (Elev. 3 ft)
Last Update:
4:15 am EDT Aug 17, 2026
Forecast Valid:
4am EDT Aug 17, 2026-6pm EDT Aug 23, 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