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

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 29.99 in (1015.5 mb)
Dewpoint 71°F (22°C)
Visibility NA
Last update 20 Aug 4:53 am CDT
Extended Forecast for

3 Miles NW Mount Pleasant FL

Heat Advisory August 20, 11:00am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 4pm. Patchy fog between 7am and 9am. Otherwise, sunny and hot, with a high near 97. Heat index values as high as 113. West northwest wind around 5 mph.

    High: 97 °F

    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 75. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. West southwest wind 5 to 10 mph becoming light south southwest in the evening. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 93 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday 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. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: 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

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 4pm. Patchy fog between 7am and 9am. Otherwise, sunny and hot, with a high near 97. Heat index values as high as 113. West northwest wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 75. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. West southwest wind 5 to 10 mph becoming light south southwest in the evening. Chance of precipitation is 60%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Saturday 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. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Mount Pleasant FL
 30.69°N 84.74°W (Elev. 246 ft)
Last Update:
5:15 am EDT Aug 20, 2026
Forecast Valid:
6am EDT Aug 20, 2026-6pm EDT Aug 26, 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