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.

Fair

84°F

29°C

Humidity 63%
Wind Speed W 5 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 27 Aug 10:53 am CDT
Extended Forecast for

3 Miles SW Chattahoochee FL

  • Today

    Today: Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 91. Heat index values as high as 103. South 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: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 90. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.

    High: 94 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 91. Heat index values as high as 103. South 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.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 90. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Monday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Chattahoochee FL
 30.67°N 84.87°W (Elev. 49 ft)
Last Update:
10:15 am CDT Aug 27, 2026
Forecast Valid:
11am CDT Aug 27, 2026-6pm CDT Sep 2, 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