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

94°F

34°C

Humidity 44%
Wind Speed NE 10 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 2 Sep 12:53 pm CDT
Extended Forecast for

Chattahoochee FL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 94. Heat index values as high as 105. Northeast wind around 10 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 77. East wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 91. Heat index values as high as 103. East northeast wind 5 to 10 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

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 77. East wind around 5 mph. Chance of precipitation is 80%.

    Low: 77 °F

    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. East wind around 5 mph. Chance of precipitation is 90%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm. Low around 77. Chance of precipitation is 80%.

    Low: 77 °F

    Showers then
    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 93. Chance of precipitation is 60%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. Heat index values as high as 105. Northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 77. East wind around 5 mph.
Thursday
Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 91. Heat index values as high as 103. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 77. East wind around 5 mph. Chance of precipitation is 80%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. East wind around 5 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before 8pm. Low around 77. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 93. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Labor Day
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chattahoochee FL
 30.69°N 84.84°W (Elev. 161 ft)
Last Update:
1:15 pm EDT Sep 2, 2026
Forecast Valid:
2pm EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation