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

Hazardous Weather Conditions

Current conditions at

Marianna Municipal Airport (KMAI)

Lat: 30.84°NLon: 85.18°WElev: 105ft.

Fair

79°F

26°C

Humidity 82%
Wind Speed Calm
Barometer 29.96 in (1014.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 Aug 11:53 pm CDT
Extended Forecast for

3 Miles S Bristol FL

Heat Advisory August 23, 12:00pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 4pm. Patchy fog between 7am and 10am. Otherwise, sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind.

    High: 98 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 103. Calm wind. Chance of precipitation is 60%.

    High: 96 °F

    Mostly Sunny
    then T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms after 11am. High near 93. Chance of precipitation is 80%.

    High: 93 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 8pm. Low around 73. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 70%.

    High: 93 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday 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

Overnight
Mostly clear, with a low around 73. Calm wind.
Sunday
A 10 percent chance of showers and thunderstorms after 4pm. Patchy fog between 7am and 10am. Otherwise, sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm.
Monday
Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 103. Calm wind. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers and thunderstorms after 11am. High near 93. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms, mainly before 8pm. Low around 73. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 70%.
Wednesday 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%.
Thursday
A chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 92. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Bristol FL
 30.38°N 84.98°W (Elev. 112 ft)
Last Update:
12:15 am EDT Aug 23, 2026
Forecast Valid:
1am EDT Aug 23, 2026-6pm EDT Aug 29, 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