National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marianna Municipal Airport (KMAI)

Lat: 30.84°NLon: 85.18°WElev: 105ft.

Partly Cloudy

73°F

23°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Aug 7:53 pm CDT
Extended Forecast for

Bristol FL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming south 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: 93 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind becoming southwest around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.

    High: 94 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming south 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.
Saturday Night
Partly cloudy, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind.
Sunday Night
Mostly clear, with a low around 73. Calm wind becoming southwest around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Wednesday
A slight chance of showers, then showers and thunderstorms likely after 8am. Sunny, with a high near 94. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bristol FL
 30.43°N 84.97°W (Elev. 157 ft)
Last Update:
9:15 pm EDT Aug 21, 2026
Forecast Valid:
9pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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